资源简介 书!"[#1 $]2020!"#$%&'()*+,-./%&'()*+,-&./-!"#$%&!"7.【01】C【23】456789!":;!<=:>?@:A(BC:、D:、=E:F),AGHI;=JKL9=:;!,BGHI;MNOPJ89!":;!QC:,CGRS;TU=:;!<5V:,9CWOXY,Z[,DGHI。8.【01】D【23】\]O!8^_CA,?abcd2ef,AGHI;HFgSiO2efc<SiF4>H2O,hijklm,HFnop,BGHI;qrpsatu!l,:u!HI,CGHI;vpwntxopy,K2c,{|}zu!w~\bcK2ef,DGRS。9.【01】D【23】?!?K2??zu!???,??U7?K?,????QFe3++3H2 幑幐O Fe(OH)3+3H+,AGRS;?!?sau!l,:?u!?,Ui???=????\,????Q2Fe3+ ???+Cu 2Fe2++Cu2+,BGRS;?!?g???~\bc?K2ef,????QFe3++3HCO ???3 Fe(OH)3↓+3CO2↑,CGRS;?!??KSCN~\???,?nc???,DGHI。10.【01】A【23】n(Al)=2mol,Al3++3e???- Al,c<2mol?8;?6mol=?,AGRS;¤?;!<1mol¤?§¨?8C—H???6mol,BGHI;????°,SO3±??,CGHI;1?32He??? 1? ?,n(32He)=3mol,3mol32He?3mol?,DGHI。11.【01】D【23】?[?·°,NO2±???,Na2O2gKefcO2,??,RQ???,XQu??,YQw??,ZQ???。????:Cl->N3->O2->Na!,AGHI;H2O? NH3??,BGHI;HClOnop,CGHI;Na2O、Na3N?n??!??,}????°:?=,DGRS。12.【01】B【23】?=?ef?,?=??,???K,=2m~\q???,AGRS;zu!wntx,zu!?~izu!w~\,?Uzu!w~\??]K,=?ef?Q3MnO2+Al+H2O???+NaOH 3MnO(OH)+NaAlO2,BGHI;R?×?u!?bc??ef,CGRS;;?1mol=?8??×??1molMnO2,;?0.3mol=?,??×??MnO2?mAQ0.3mol×87g·mol-1=26.1g,DGRS。13.【01】C!"[#2 $]【23】????op=????>=????,EQHC2O-4,FQH2C2O4,GQC2O2-4 ,AGHI;E?à,áHC2O-4q???8~\±pl,?? HC2O-4?=??iK2,BGHI;a?~\±pl,ac(OH-)<c(H!),??=??è?c(Na!)+c(H!)=c(OH-)+c(HC2O-4)+2c(C2O2-4 ),é?:c(Na!)<c(HC2O-4)+2c(C2O2-4 ),CGRS;Ka2=c(H+)·c(C2O2-4 )c(HC2O-4)=10-4.19=100.81×10-5,?,1<100.81<10,ê??AìQ10-5,DGHI。26.【01】(1)-1(2d)(2)Li2CO3+2H ???! 2Li! +CO2↑+H2O(3d)(3)í?LiClK2(3d)(4)2Cl--2e???- Cl2↑(3d)(5)1?1(3d)【23】(1)?z??zQ?!??。(2)vp?òóvp?,?~iK。(3)?!??K2,÷?!???K2,}?!zOùú??!?~\ü??K?!?。(4)=2?!?,??×???!u!c。(5)?z??gKef???QLiAlH4+2H2 ???O LiAlO2+4H2↑,u!"?g??"??nH2,#$?m?A%?Q1?1。27.【01】(1)&'O·,(rp)T°*(3d)(2)[?+(2d)(3)SO2+2OH ???- SO23-+H2O(3d)(4),-"./0、?12,34".gWO567!u!F??01(3d)(5)S2O2-4 +3Br2+4H2 ???O 2SO2-4 +6Br-+8H!(3d)【23】(1)8?9L:;d\<=>J>,(?·t?F。(2)?ef@A?,BCD?[?,E[?+。(3)SO2gzu!wefcIJ?Kb,:?Frpw?!O2u!F,??LMYIJNO?P?。(5)Q???"?QBr-,G/H,S2O2-4 !u!<SO2-4 。28.【01】(1)+378(3d)(2)[?%iT0℃8,R!?0STl(UR!?VWlZX)F??01(3d)(3)①?i(1d) ②80%(3d) ③17.28(3d)(4)?(2d)【23】(1)??YZ?[?,① ×2-② -③ ×32ü:2CH4(g幑幐) C2H2(g)+3H2(g) ΔH=+378kJ·mol-1。(2)“\]8^_¤?;!`”ab×ec?n!"efd`。efgefd`h?d3i/,A?B?,j%[?,efd`??;B?8efd`kN,?,feR!?l?m?h。R!??an?T![?,[??%,R!?0STl(UVWlZX),?oefd`p,。(3)eq2rY,ef}è[ès@A°tu,·tgO??m?A。 2CH4(g幑幐) C2H2(g)+3H2(g)wx??m?A(mol): 2 0 0!"[#3 $];!??m?A(mol): 2x x 3x&'??m?A(mol): (2-2x) x 3xy[ys@A°,O?z·tgO?z?m?A。2-2x+x+3x=3.6,2ü:x=0.8mol。①M?8,ef{R?{tu,Refd`?i|efd`。②10min8}?&',¤??&';!`Q0.8mol×22mol ×100%=80%。③&'8,c(CH4)=0.2mol·L-1,c(C2H2)=0.4mol·L-1,c(H2)=1.2mol·L-1,K=c(C2H2)·c3(H2)c2(CH4)=1.23×0.40.22mol2·L-2=17.28mol2·L-2。(4)¤?P~=?,¤?}??bcu!ef,¤?}????。35.【01】(1)1s22s22p63s23p63d74s2(U[Ar]3d74s2)(2d)(2)c(1d)(3)P(1d) ??P?3p:ì×}??????,P?#n=?:?iS;P??????i??]iy??(2d)(4)sp2(1d) &??l?(1d) SO3(1d)(5)>(1d) [Co(H2O)6]3+R=????,?=?^????(2d)(6)??????(A3?)(1d) 101×6×1030槡34a2c×6×NA(2d)【23】(1)?n27???。(2)H2Od??}?l?、σ?,z??n!"?。(3)y?????#n=?:g????a?,y?????#n=?:g????、??=???a?,á??????=???}????、???>?W8,#n=?:?i????。(4)PO-3P??a 3? =??,?=??Q3,?=???Q0,??ê?Usp2¤!,W^??Q&??l?,gSO3、CO23-、NO-3F?QF=??。(5)??d?:?§,¨????R=????,??????,?d=?^????,d?:??。(6)Bq??Q???,????Q??????。?°??q±?,???????R?l??<,R?l??%(h)Q槡32a,??R?l????(S)=槡34a2。n???,12????]i??、2????]i?¨、3????]i?_,??,1????6????。ρ(Ru)=101×6×1030槡34a2c×6×NAg·cm-3。36.【01】(1)??、·?(2d) C12H16O3(2d)(2)??ef(1d)!"[#4 $](3)a、c(2d)(4) 帨師?師2CH2CH2?OHOCH2C6H?5+(CH3)2SO4 →? 帨師?師+2NaH 2CH2CH2OCH?3OCH2C6H?5+Na2SO4+2H2↑(2d)(5)??p(UHNO3)(2d)(6)15(2d)師 師?師? ? HO CCH?3CH?3?OH(2d)【23】(1)?????u?:?Q·?、??,?H:??????。a5d???、????C??,??C???<4????,??、??d??Q2? 、3??,??4??Uz??,N?,?dò+?C、H、O????。(2)C→Dbc??ef,?"?Q?!z。(3)C??·?,:gQbc??、gpl%?p?~\bcu!ef。??pl?H2CO3o,?:gvpzwef。(4)z!w?g·?efczO,?wg(CH3)2SO4(rp¤?)bc??efc。(5)???p?~\%×,U?p>?A?x。(6)G/H,Gd??2?·?,?n?·?g?§?5?:。?n????,?:a5???:1 OH、?2OH、?3OH、?OH4、?OH5,???@A?yd???a15?,?%?????}?E?àzá×a5??。!"[#5 $]!#7.【01】A【23】????????N????A?dè?,é,??、ìí、?íncT???????ê???m,AGRS;?Cef?Y?A?C,?U??ònó?hl??o????h,BGHI;{|?n%d?!??,CGHI;???÷?n???;???ef?ü?a5?<ù~,DGHI。8.【01】C【23】ú/&?a5???glm,H}&?é?:?>W^ü?:?。ê???:?????y,ê?%^?ny??,AGHI;ê?????,??:bcK2ef,BGHI;·?、!??:gwefc<H2,F?m?A?"#?p?T#z???%?Q4?3,??,"c H2?mA%?Q4?3,CGRS;d$p?d??QC10H10O6,DGHI。9.【01】B【23】%ApH8?:U&'?pH(),AGHI;?tp?*op?+[?BGRS;(Br2?CCl4~\,???a?->.c<,/?n?n??,CGHI;?Cefa0,-A?KClO3n?}?C?×??,DGHI。10.【01】C【23】?gKúO}%[°?ef:3Fe+4H2O(g)???%[Fe3O4+4H2,?hi12ef,}3ef3mol?0S8mol=?,AGHI;?iNH4Cl~\4???bcK2,?~\4????5?i0.1NA,BGHI;?[?·°,17g¤?(—14CH3)n1mol,?????8NA,CGRS;Fe(OH)3?6n??Fe(OH)3?7??,??6?5?i0.5NA,DGHI。11.【01】D【23】ú/&?=2m~\>~\??q?????,H}&?8?:?>9q:?。?°q±?,b<7,??~\±pl,?NaHA?=????iK2??,AGHI;F??±NaHA>NaOH~\:;??efc<Na2A,ê?K2:??NaHAt,?tiE?(?f?~mnNaHA>Na2A),G??f?~mnNa2A>NaOH,H??f?~mnH2A>NaCl,K??f?~mnNaCl、HCl>H2A,?G、H、K??f?~\í?K?=?,F??f?~\K=?????,BGHI;E??f?~\?}=??è?:c(Na!)+c(H!)=c(OH")+c(HA")+2c(A2"),E?~\±l,?c(H!)=c(OH")ü:c(Na!)=c(HA")+2c(A2"),CGHI;F??f?~mnNa2A,??q??????Qc(Na!)>c(A2-)>c(OH")>c(HA")>c(H+),DGRS。12.【01】C【23】"?<=?>TU?=???,?h?R??T#,R7??,@?7R?,AGRS;R??n??T#??、AF,BGRS;}oxlBK?Cbc^u??,CGHI;u???R?×bc??ef,DGRS。13.【01】B!"[#6 $]【23】?éCYX、Y、Z、Wd?Qu、?、r、?。S2-、Cl-=?????y,O2-、Al3+=?????y??S2-、Cl--n?=??,????:r(S2-)>r(Cl-)>r(O2-)>r(Al3+),AGHI;Y?u!?Al2O3:gzu!w~\efcK,?:g?rpefc?gK,BGRS;?H2SO3Qop? CGHI;Z?O?z!? H2S???l? W?O?z!?HClo,DGHI。26.【01】(1)H2SO4(2d) ????gWO?56?,?2efd`,E%?~TU`(2d)(2)2MoS2+7O2???%[2MoO3+4SO2(3d)(3)3?3?2(2d)(4)[?j%,]OKb?2,ef?q?ZX;3efn?Cef,j%[?,3&'{F?G(3d)(5)c(Ca2!)≥a×105mol·L-1(2d)【23】ú/&??5!6ù?,HIu!??ef、!"efd`、~??+?F,H}&?J?:?。(1)SO2K?!、R!u!、 _??*rp。LMNO?????gWO56??,?2ef。(2)?r!P}WOQJcSO2。(3)U=??è2dRC,STUü1molMo,BC6mol=?,??-BC3molH2、3molCO、2molAl。(4)/5E±??u!Pg]Kefn?Cef,?u!Pg]Kef??}?n?V?,e]KKb、efV?#???2W[?j%?PXY`?fg。(5)TU~??+?YY??q?Z[。c(Ca2!)≥Ksp(CaMoO4)c(MoO2-4 )。27.【01】(1)??qzu!w~\,?C,U&'???O\()]0c,()?^?(2d)(2)①2KClO3R!?????△2KCl+3O2↑(U2KMnO4???△K2MnO4+MnO2+O2↑)(2d)②2MnO4" +5SO2+2H2 ???O 2Mn2++5SO42" +4H!(3d)③X_??`?,/?,?;Y?ab(2d)(3)*???n*8~\?^?:;?Q????dc?de(2d)16c1V1-8c2V25w (2d)(4)DX(2d)【23】(1)]04???,f7C?n??qzu!w~\,?C,U&'???O\()]0,g?n????^?。(2)①hi(U?1uO,Anbcj1,k±:?:U?uK?uO。②U?Krp?]0H2O,Dj1Ui]0SO2,Ej1UilSSO2,Fj1UiS?SO2nmln,hQSO2o?pCO2?]0。EefQ2KMnO4+5SO2+2H2 ???O K2SO4+2MnSO4+2H2SO4。③eqrj1!"[#7 $]r,Xj1(?“?A”,êa??7U:]0SO2、lSSO2、SsSO2ln,a0g?nt?~\?`———]0ulSSO2,?,?———??SO2vln?。(3)Ur?rpw~\*??A?I2,U?L~\7w±?。*?×x(?L~\?^?,áx????8^????。SO2+I2+2H2 ???O 2HI+H2SO4,a:2n(SO2)+n(Na2S2O3)=2n(I2),ω(S)=2c1V1-c2V21000 mol×32g· mol-1wg ×12×100%=16c1V1-8c2V25w %。(4)u!W8,O2?A,?A?uOy}SO2O?,UzC?LlSO2。B??lSuO,}K~\obcef:2SO2+O2+2H2 ???O 2H2SO4,??%üV2D?,%üS??mAd?DX。28.【01】(1)CO2(g)+3H2(g???) CH3OH(l)+H2O(l) ΔH=-93.8kJ·mol-1(3d)(2)①?C (2d)②0.17mol·L-1·min-1(3d) 0.50mol·L-1(3d)(3)2a27(3d)【23】(1)??CO(g)>H2(g)?PJC(ΔH),?{C!"???:(Ⅰ)CO(g)+12O2(g ???)CO2(g) ΔH=-283.0kJ·mol-1;(Ⅱ)H2(g)+12O2(g???) H2O(l) ΔH=-285.8kJ·mol-1;??q|?à?!?}YC!"???(Ⅲ):CO(g)+2H2(g ???) CH3OH(g) ΔH= -(510-419)kJ·mol-1=-91kJ·mol-1。??YZ?[,TU(Ⅱ)+(Ⅲ)-(Ⅰ),?ü~?C!"???:CO2(g)+3H2(g???) CH3OH(l)+H2O(l) ΔH=-93.8kJ·mol-1。(2)①650℃8,????tua?????: CO(g)+H2O(g幑幐) CO2(g)+H2(g)wx/mol 4 2 0 0;!/mol 1.6 1.6 1.6 1.6&'/mol 2.4 0.4 1.6 1.6?650℃8,CO;!`Q1.6÷4=0.4>13,?[??%,;!`?X,?RefQ?Cef。②900℃8,??CO?;!`,????tua?????: CO(g)+H2O(g幑幐) CO2(g)+H2(g)wx/mol 3 2 0 0;!/mol 1 1 1 1&'/mol 2 1 1 1v(H2O)=1mol/(2L×3min)≈0.17mol·L-1·min-1,c(H2)=1mol/2L=0.50mol·L-1。(3)bc2H2S(g幑幐) 2H2(g)+S2(g)ef,?q|??,[?QT4℃8,H2S&';!`Q40%,????H2S??m?AQ0.20mol×40%=0.08mol,??H2S??m?AQ0.20mol-0.08mol=!"[#8 $]0.12mol,c<H2??m?AQ0.08mol,c<S2??m?AQ0.04mol,÷p(H2S)=a2MPa,p(H2)=a3MPa,p(S2)=a6MPa,?&'??Kp=(a3MPa)2×a6MPa/(a2MPa)2=2a27MPa。35.【01】(1)33(1d) B(1d)(2)As>Se>Ge(2d)(3)PH3?AsH3???d?mA?,Z???7Uo,???:PH3<AsH3;NH3d?%^?}z?,???:NH3>AsH3(2d)(4)①&??l?(1d) BF3、SO3(2d,?@??01??)②H3AsO4(1d) H3AsO4??·?u?5??,¨ As??????%,?·?u?^?:??t,·?z?s?=?Y?(2d)(5)InAs(1d) 7.6×1032a3NA(2d)【23】(1)AsQ#33???,n#VA??,??????=??a?W^?G??a33?;??=????Q4s24p3。AG???:A?X??,CG????j+÷,DG????T??,?aBGRS。(2)As?#n=?:?%??hnAs?4p???i???????,??=???vK}????:ì?n???????,??0=?????。(3)NH3d?%^?}z?,?NH3???%,AsH3???d?mA?i PH3???d?mA,d?^7U???,???%iPH3。(4)①AsO-3 ?¨???Usp2¤!,W^??Q&??l?;??F=????§??BF3、SO3?nAsO-3 ?F=??。②H3AsO4??·?u?5??,¨As??????%,?·?u?^?:??t,·?z?s?=?Y?。(5)???>???????a4? In??>4? As??,?3!???!"?QInAs;1????mAm=760/NA g,1?????? V=a3×10-30cm3,?????=m/V=7.6×1032a3NA。36.【01】(1)qHNO3、qH2SO4、?C(2d) ??ef(1d)(2帨師?師)COOHNO2(1d) !?、??(2d)(3)!"#$%#%&"##$"!""#%&"#'$%(2d)!"[#9 $](4)13(2d師 師?師) ?HCOO NO? 2 (2d)(5)!"#!"$%&'('"'"!)*+,"-,'-,"'!.%*/'!)-,!)!(3d)【23】(1)?A(¤?)→B(???¤?),?BC?(?nqHNO3>qrp?yp,@An?C;?D→E???q?,??rYbc?n?§×???ef。(2)? B???q帨師?師?CH?3NO2,??ef@A??}pl%?p?~\,?§×?¤?bcu!efc???¤p,?C???q 帨師?師?QCOOHNO2;??a??:?Q??>!?。(3)?E>F?? ? q ?,? ?G? d ? ?,? ? } YE→ G e f ? ! " ? ? ?:!"#$%#%&"##$"!""#%&"#'$%。(4)??§:aHCOO—>—NO2#????,?a3???(?、 、?);??§×:a—CHO、—NO2>—OH,???a10?,?a13?。??E?àzáa3??????Q1?2?2?a5???q師 師?師?Q?HCOO NO? 2 。(5)9¤?UplKMnO4u!¤p,9??????,N??$ b c ? 帨師?師? e f c < ?C??O? 帨師?師?NH ,3 ? m ? g SOCl2e f ü ? "帨師?師??CC?l? 帨師?師?N 。!"[#10 $]!$7.【01】B【23】?[°vpY?:d2"cCO2,BGHI。8.【01】D【23】!??>zOef,AGHI;a5??d??QC14H20O2,BGHI;? a??O???,?:+???,CGHI;?§×?????a4?,DGRS。9.【01】C【23】[??X,??d?^?Koc?,AGRS;?*??、]0SO2、l SO2、Ss SO2ln、?*?Q??,?95?f??9tO,??9YO,BGRS;j1ⅡUilSSO2,B?2,o????,CGHI;?Q??~i??!v,??Uú?f7d?E?".,DGRS。10.【01】C【23】~\????S,?~\?z??????>+?,AGHI;??°22.4L?O??m?AQ1mol,7?O>?ef??Q-1?,?1mol?Oef?;?2NA?=?,BGHI;uO>?u??u???<,?32guO>32g?u?a?u????m?A?Q2mol,??Q2NA,CGRS;28g????m?AQ1mol,71???d??1?vv??,?1mol???vv???QNA,DGHI。11.【01】C【23】???f?~\??}:H+、OH-、NH+4、Cl-,AGRS;c(H+)=c(OH-)+c(NH3·H2O)QNH4Cl~\?m??è,BGRS;?>??N?>P?fgK=????,CGHI;M?~\c(NH4Cl)=c(HCl),?????>????è,DGRS。12.【01】B【23】?j1q?,??QR?,=?ef?QO2+4e-+2H2 ???O 4OH-,??Q??,??ef?Q2VB2-22e-+22OH ???- V2O5+2B2O3+11H2O,??ef??OH-,OH-??2?F?{????,AGHI;BGRS;??c<OH-,??BCn?8^,???¤=2m~\pH??,CGHI;?aw??Onm?i“????”,?:??????22.4L· mol-1+?,DGHI。13.【01】B【23】X>M????????=??n??????,??XQ#??????a4?=?,?Qv??,MQ#??????a6?=?,Qr??,Y、Z、N?%?u!??f?K!?##%^:??ef,??Qw、?>???。X、Y、Z、M、Nd?QC、Na、Al、S、Cl。??hl?o?t?)§nX、M、N,AGHI;???????=??d?Q4、1、3、6、7,??)§QY、Z、X、M、N,BGRS;AlCl3h??!??,?????=,CGHI;\mw???Xi\m????,DGHI。26.【01】(1)FeTiO3+2H2SO4???△TiOSO4+FeSO4+2H2O(2d)(2)Fe(1d) úbq?、????、??(2d)(3)?K?Wef?(1d) ?x>c、?CF(1d)(4)TiO2+4e???- Ti+2O2-(2d) 4480(1d)(5)Fe2++2HCO-???3 FeCO3↓+CO2↑+H2O(2d) 1.013×10-5(2d)【23】(1)h??N?CFeTiO3,??\1????TiO2+???},????Cef!"???QFeTiO3+2H2SO4???△TiOSO4+FeSO4+2H2O。(2)3ù??a?"? FeSO4·7H2O,?B9~X"??Fe3+lS,?mAQFe,“n?{f7”??úbq?、????、??。(3)“K2”efQTiO2++(x+1)H2 ???O TiO2·xH2O↓ +2H+,??&'?G??,QE%TiO2·xH2O?"`???K?Wef?、?x>cef:TiO2+4e???- Ti+2O2-,??ef:2O2--4e???- O2↑,??ü?hTi9.60g,÷n(Ti)=n(O2)=0.2mol,V(O2)=4480mL(????°)。(5)?/H?3ef!"???QFe2+ +2HCO-???3 FeCO3↓ +CO2↑ +H2O;??[° FeCO3->~\q?Q 4.5×10-6mol·L-1,!"[#11 $]Ksp(FeCO3)=2.025×10-11mol2·L-2,÷c(CO2-3 )=2.025×10-112×10-6=1.013×10-5mol·L-1。27.【01】(1)?°(1d)(2)efrp?A,}q???,?rp±??q,qrp?^Kl(CuSO4·5H2O0K?<CuSO4(2d)(3)2Cu2++2NH3·H2O+SO2-???4 Cu2(OH)2SO4↓+2NH+4(3d)(4)rp?]????s??Cd2(2d)(5)&'O·,???·>?^(2d) (0.5V1-0.5V2)×10-3×17w (3d)(6)BD(2d)【23】(1)?J?mn?}?°tu。(2)9?ü?CuSO4~\???núb??Cq??a??Yg,??3Y????a??L?,3??L?QCuSO4,?hnefrp?A,}q???,?rp±??q,qrp?^Kl(CuSO4·5H2O0K?<CuSO4。(3)?f7ù???,rp?~\>?A]Kefc<Cu2(OH)2SO4??,??}Y?????。(4)rp?4??????*??,??????ZXrp?]?????~2?,aTi??3Y。(5)áA>·???8,??9\?×j,(A>·???;??*?US?zu!w??m?A??+?Yg]ef?yp??m?A,t7+?"c?]O??m?A,? + ? YNH3 ? m A ? d ?。(6)G ? ? . ] ? m A d ? ? } ?(0.5V1-0.5V2)×10-3×17w ,?f7?wV2D?,÷(]?A%???D%,??d3。28.【01】(1)②(1d) CO(g)+2H2(g???) CH3OH(g) ΔH=-126.5kJ· mol-1(2d)(2)①0.02mol·L-1·min-1(2d) 25(2d) ②{F?G(1d)(3)①200~800℃^,[?j%d`??;800~1000℃^R!?Tl(UVWl)ZX,d`,?(2d) ②BD(2d)(4)R!7U(1d) ①(1d)【23】(1)RefT!:?,?xefd`??。efCFiR、|efT!:%?,??Yef①、②、③?efC,?YZ?[?,5?ef =① ×12+② ×2-③ ×12。(2)①v(H2)=2v(CH3OH)=2×0.05mol·L-15min =0.02mol·L-1·min-1,&'8,c(CH3OH)=0.05mol·L-1,c(CO)=0.05mol·L-1,c(H2)=0.20mol·L-1。K=c(CH3OH)c(CO)·c2(H2)= 0.050.05×0.22=25。②}(T1+100)℃8,&'??K<25,Qc=0.30.1×0.22=75>25,ef{Ftu。(3)①?y8^_?"`?áiefd`。d#2W,×n,j[,efd`??;?n,j[,R!?TlUVWlZX,"`ZX。②e&'?Gl?,??·t>??zOq??:E%efd`,(&'{??G,E%CO2?;!`。(4)? °??ef?,KwR!7U,7K?g#①?ef。#①?ef??,D???ef?efd`。35.【01】(1)4s24p4(1d) H2S(1d)(2) V11.2(2d)(3)SeO2-3 (1d)(4)CO2(1d) ???\?????i\??\?????(2d)(5)sp2(1d) ∏65(2d)(6)槡2R×10-3(2d) M8NA·R3×1030(2d)【23】(1)???a34?=?,?r?????=????é??????=????。H2Od?%^?}z?,??j%。u???O?z!?????§:H2O>H2Te>H2Se>H2S。(2)CO2?!"[#12 $]???Q ? ?O C O,1? CO2d?? 2? π?> 2? σ?。(3)CO2-3 、SeO2-3 、SeO2-4 ?????G?Q&??l?、?l??、R????。(4)CO2> O2n??ld?,H2O> CH3OHd?n?ld?,?,CO2n??l????ld?。}HCHOd?,?=???=?????i=??%^???,???\??????i\?%^????。×$?l?i?$。(5)??§QYb?,????,?s?gQbc?。G/H,Rd??:gQbc?,??ê??} π?,?}?π?。??é?,Rd?? 5? ????U sp2¤!,hQ sp2¤!?d?±&???,???a6??=?,?2??=?gC???<\?,1??=????1???,?a2??=?g4?v???4?=??àn?,??????Fi??n?。8??]i?????,6??]i????¨,1?P]i?6???,?ê?!"?QCu3SnP。ρ=MNA·(2R)3=M8NA·R3×1030g·cm-3。?g???%^?¤??Q槡22a=槡22×2R×10-3槡nm=2R×10-3nm。36.【01】(1師 師?師) ?CH CHCH? 3 (2d) ?¤?(1d)(2)b(1d)(3)vv??、??(2d) ?(1d)(4師 師?師) ?CHCHCOOH?Br?Br+3NaOH??→?師 師?師△ ? 帒C CCOONa+2NaBr+3H2O(2d)(5)5(2d)師 師?師 ? COOCHCH??2師 師?師U ? ?HCOO CH CH? 2 (1d)(6)!"#!"#$%%&'!"!"()*+$%!(3d)【23】TA?d??QCnHm,÷12n+m=118,??n,m????m<2n+2,éü:n=9,m=10。?A?d??QC9H10。?D?lmIv?+,,B、C、D????,???B???師Q ? ?CH CHCHO,é? CQ CH3CHO。A師 師?師n ?CH CHCH? 3,G?é?,E師 師?師Q? ?CH CHCOOH,F師 師?師Q ?CHCHCOOH?Br?Br,G師 師?師Q ? 帒C CCOOH。(5)G/H,X?HCOO—,vv??。×?:??§×?n????,÷???a#?: ?HCOOCH CH—,—C(OOCH?) CH2,a#?yd???;??§×a 2? ???,? ??Q—OOCH,— ?CH CH2,??a3?。5?????C??§×z????,??@Aa師 師?師: ?COOCHCH??2師 師?師U? ?HCOO CH CH? 2 。(6)G/H,5?"?Q§,hi?*?.。2-??g???<、?S、?<<§。!"[#13 $]!%7.【01】B【23】????WO?uO,aó??u,?WO???6??K?°,àá?WO?~,AGHI;?xy???nKIUKIO3,BGRS;vB??Ui??B×?{???A,??8?Uê^_è}K?×??{,?;?é·,9vB?_??{tuê_,????~?mc<,bc???!,CGHI;%d?n??d?mA}?ìU?íì?d?,??p?hi%d?,{|?hi%d?,DGHI。8.【01】C【23】??n->n??,???n->???,???:??5?y,?ny??,AGHI;§¨?d??a4?->v??,??.?????d??av????:?&?,BGHI;d??QC5H10O2??a:¤p??(4?)、?p??(2?)、?p??(1d)、?p¤?(2?),?9?,CGRS;?§¨??????a7?,DGHI。9.【01】A【23】?K?u!x??,?g?????l:I->Fe2+,AGRS;c,?ypQ?up,?:????hl,BGHI;?[°Fe?q?pbc?!,?g??:???hl,CGHI;??q?ò?,?:??Ksp??,DGHI。10.【01】B【23】10.6gNa2CO3n0.1mol,/CO2-3 K2nóo?,?K2Y? OH-??-i0.1NA,AGHI;22.4L(????)NH3n1mol,?a?m?n10mol,m??Q10NA,BGRS;90g?p(??p)n1mol,HOOC—COOH?a#?!?,??a!??Q2NA,CGHI;C2H5OHgCH3COOH}qrp、?C°?efn?|?,?1molC2H5OHg CH3COOH}qrp、?C°efü??NA?CH3COOC2H5d?,DGHI。11.【01】B【23】?/?,NH4HCO3~\?xl,??vpz???K2???i4???,÷Kb(NH3·H2O)>Ka1(H2CO3),AGRS;pH=6.5?~\c(H2CO3)=c(HCO-3),±**?zu!w~\8,c(HCO-3)?±???,ápH?i7.8??~\pH??,4???q?±?,?,7vpz???÷?x,?,BGHI;~\?}?~?è:c(NH+4)+c(NH3·H2O)=c(HCO-3)+c(CO2-3 )+c(H2CO3),CGRS;??q|??,~\? pH=98,~\6?q???:c(HCO-3)>c(NH+4)>c(NH3·H2O)>c(CO2-3 ),DGRS。12.【01】B【23】9!":;!Q=:?j1Q?=?,3j1n?z=?,hi?=?,AGRS;?67??q??,F?~\Qxl,??~\Qpl,?????2??ù?F??xl~\>???pl~\bc>ef,BGHI;?67??q??,F?^??A×zO0=?gzu???c,bc?u!efQ??,?=?ef?QH2-2e-+2OH ???- 2H2O,CGRS;R?=?efn2H++2e???- H2,ü?zef??????Q H++OH-H???2H2O,DGRS。13.【01】B【23】G/H,qA?±]d?,ú?l?mn??p,??RQ???,ZQ???。X>Y?\m?,?K~\?gCO2ef,"c??,?"c????~i?A?CO2?K~\,÷XQw??,Y?:Q???U???。Y?:]i#???#ⅣA?,AGHI;????:Na>Si(Al)>Cl,BGRS;AlCl3、SiCl4n??!??,CGHI;HNO2、HClO?nop,?no=2m,DGHI。26.【01】(1)??56??,?2XYd`,E%?~TU`(2d)(2)34??!??3Y(1d)(3)①>p,(Fe3+?ü;!QFe(OH)3(2d)!"[#14 $]②MnO2+2Fe2++4H ???+ Mn2++2Fe3++2H2O(2d) 3(2d)③¤(2d)(4)70℃(1d)(5)???n?NO\i(9,*??pp!,?*?AgNO3~\,??????c<,÷NO??;?a????c<,÷òNO??(2d)【23】(1)????g\??56??,?2efd`,E%?~TU`。(2)?CX??34aU?~m3Y,?f7Uü??!??~\,?5?n34??!??3Y,????!??/0。(3)①MnCO3+2H ???+ Mn2++CO2↑+H2O,?t?????K2c②?u!?sau!l,}pl?m:u!F???。c(OH-)=3Ksp[Fe(OH)3]c(Fe3+槡 )=1.0×10-11mol·L-1,c(H+)=1.0×10-3mol·L-1,pH=3。③?1¤f7q!,???~¤m。?1?BC%?pH,f7?e¤???4y¤m。(4)?°q|,VWXY`?%??:?X?@AQ?"@A,70~90℃%^XY`5¤,70℃8#:,<úX。(5)vp???^?a???、vp???F,]0???nm?},?RCvp?nmNO??。27.【01】(1)??$(1d) 100mLsA>(1d)(2)??a0①?ü??,*??rp(U?ypF)??A,? °??nm~2(2d)(3)Cu2O+2H ???+ Cu+Cu2++H2O(2d)(4)Cu+(1d) Cu2+(1d)(5)"cNO2O?,%&§'(2d)(6){ef??~\;??AWO(2d) ?~\?^,÷ST(2d)【23】(1)a0B(?100mL0.50mol·L-1CuSO4~\,hB???)La?**9、J+、??$、100mLsA>。(2)#lzu!?:~itptx~\,??BC]0zu!?nm~izu!wUrp,??a0①?ü??,*??rp(U?ypF)??A,? °??nm~2。(3)??/?+,d3,u!F?>rpefc?,?????QCu2O+2H ???+ Cu+Cu2++H2O。(4),-?C?1000℃?×,.?L??ü??L?u!F?,??á[?}1000℃?×8Cu+??,/grpefc??,??}pl~\Cu2+??。(5)?>q?pefc,%&§'。(6)?u!?>uO>Kefc<?p,?{ef??~\;??AWO,efc,?u!??0,?~\?^,÷ST。28.【01】(1)H2S+2Fe ???3+ 2Fe2++S↓+2H+(2d)(2)1.5~1.9(2d) ?Z[/<0?Fe2+a?2?u!d`1??cFe3+??(3d)(3)①CH4(g)+H2O(g???) CO(g)+3H2(g) ΔH=+204kJ·mol-1(2d)②>(2d)③0.48(2d)(4)CO2-3 +CO2+H2 ???O 2HCO-3(2d)【23】(1)?q??,??H2S?< S,S??!??? -2??<0?,Fe3+!???<Fe2+,??=??è,??i???ef???QH2S+2Fe ???3+ 2Fe2+ +S↓ +2H+。(2)?①??Fe3+}pH=1.98?x??,o?oFe3+q?ZX,÷Fe2+>Fe3+q??oZX,d`ZX,?pHf?i1.9。?②??,pH}1.58u!d`?2,? pH??2Z[n1.5~1.9。?Z[/<0?Fe2+a?2?u!d`1??cFe3+??。(3)①?q??3efQ^Cef,ΔH=2582kJ·mol-1-2378kJ·mol-1=+204kJ·mol-1,3???C!"???nCH4(g)+H2O(g???) CO(g)+3H2(g) ΔH=+204kJ·mol-1。②?q??,[?n?,·t??,&'|{?G,CH4???d???,÷P1>P2。③{Y?u?,T;!?CH4??m?AQx。!"[#15 $] CH4(g)+H2O(g???) CO(g)+3H2(g)wx(mol) 1 1 0 0?!(mol) x x x 3x&'(mol) 1-x 1-x x 3x??wx8y?O????n&'8?1.4?,O??zmA??,??gO??z?m?A,÷(2+2x)2 =1.4,2üx=0.4,sL?s?Q2L,÷&'8,CH4、H2O、CO、H2?q?d?Q0.3mol·L-1、0.3mol·L-1、0.2mol·L-1、0.6mol·L-1,÷3ef?&'??QK=c(CO)×c3(H2)c(CH4)×c(H2O)=0.2×0.630.3×0.3=0.48。(4)?q±v?^_?U?n K2CO3~\, _CO2,÷?????nCO2-3 +CO2+H2 ???O 2HCO-3。35.【01】(1)3d84s2(1d)(2)>(1d) 0S2?=??,Mn2+?3d??}??????,????,Fe2+?3d??ò}??????(2d)(3)&??l?(1d) SO3、SeO3、BCl3、BF3F(1d) sp3(1d)(4)3?(1d) ?4O、?、5、3??n????,????????,??????????,?:??(2d)(5)v(1d) 24(1d)(6)??????(1d) 59×6槡34(a×10-10)2×(c×10-10)×6×NA(2d)【23】(1)?n28???。(2)???j+÷jvd3,?f?h????[=????(??=????)。(3)SiO2-3 ?????=???Q4+22 =3,3? =??,?U sp2¤!,ê?????Q&??l?。?U?,>éF=??,gSiO2-3 ?QF=???a SO3、SeO3、BF3、BCl3F。??òó?.,????Usp3¤!。(4)?4O、?、5>3??n????,???g????:a?。(5)CN"C?=?l?iN,N?????=??^???C?,?CE6?=??。(]??nσ?。1? NH3d?? 3? σ?,1? NH3:gNi2+?<1?(]?。1mol[Co(NH3)6]3+?σ?:(3+1)mol×6=24mol。(6)Bq??Q???,????Q??????。?°??q±?,???????R?l??<,R?l??%(h)Q槡32a,??R?l????(S)=槡34a2。}???,12? Co??]i??、2? Co??]i?¨、3? Co??]i?_,??,1?????6? Co??。ρ(Co)= 59×6槡34(a×10-10)2×(c×10-10)×6×NAg·cm-3。36.【01】(1)2,4-?????(1d) ??、??(2d)(2)!"#$%&!%!%'(2d) ??ef(1d)(3帨師?師)?Cl+2HNO3qH2SO4→???? 帨師?師△NO?2?ClNO2+2H2O(2d)!"[#16 $](4)10(2d) !"#!##"(2d)(5帨師?師)Cl2→? 帨師?師Fe?ClH2→??? ? ?/Ni?ClNaOH/?→???? ? 帪△KMnO2/H→????+ ??? COOHCOOH(3d)【23】(1)C?7?Cl—Q1?]?89,?n2,4-?????U?,?-?????,H?u?:?n—NO2?:??、—COO—?:??。(2)C→Dn C????!¤????,÷efò?n??ef。(3)BQ??,?B→C 帨師?師?!"??n?Cl+2HNO3qH2SO4→????帨師?師△NO?2?ClNO2+2H2O。(4)!!!?d??nC5H6O3,?yd??? M:bc?;ef,??a—CHO,>NaHCO3~\ef"cO?,??a—COOH,?° C3H4,??n ?C C—CU,:×#??:?,Q8+2=10?。?d??a3??y!"§'?z,÷??@7?M???q?n!"#!##"。!"[#17 $]!&7.【01】B【23】\,AGHI;PM2.5nw6???i2.5μm??6,2.5μm=2.5×10-6m,BGRS;TU?n?c?C???l,CGHI;=>?O?u!??"c?@iWO??OguO%[!?,DGHI。8.【01】D【23】?Ln??e¤?MN%d?!??,AGRS;???p?????q??éY?p???q?QCH3CHOHCOOH,?!?:gzu!w~\ef,7?·??:gzu!w~\ef,BGRS;?pd???·?>!??:bc??ef,?·?:bcu!ef,u??p???guObcef,CGRS;?ò?mn??:~i->vpw~\,DGHI。9.【01】D【23】“H! +NO"3”:u!Fe2+,AGHI;SO2:(pl%?p?~\,?,SO2?g??l,BGHI;Cu、Cu2O?~i??p,f93??L?~i?rp(Uyp),CGHI;vpz4d2c<NH3、CO2>H2O,O?;?xO3,CO2、H2O(g)!xO3^_,ü???? NH3,DGRS。10.【01】D【23】=???è,AGHI;QK?A8,:u!F???,BGHI;H2SO3nop,RS??????QHSO"3+H ???! SO2↑+H2O,CGHI;CaCO3?~2??i CaSO4?~2?,?CaSO4??;!<CaCO3,DGRS。11.【01】C【23】??d3??:WQH,QQO,XQMg,YQSi,ZQCl。??°HClQO?,AGHI;yn??eF{?????±?,?,÷????W<Y<X,BGHI;SiO2>SiH4?n??!??,d????a?l???,CGRS;??hl:O>Cl>Si,÷q\z!???l:Q>Z>Y,DGHI。12.【01】C【23】??m;!?,H2Ou??!u!,bcu!ef,F?Q??A。=B=?,a?QR?,AGHI;??cCH3OH> H2O,H2SO4??m?A??,rp?q?,?,BGHI;??×CO2bc??efc< CH3OH,CGRS;??ef?Q2H2O-4e???" 4H! +O2↑,c<1mol8a4molH! e?2?F?{????,DGHI。13.【01】B【23】}ò?zu!w8,??~?èü:c(HR-)+c(H2R)+c(R2-)=0.05mol·L-1,?H2R?Ka1=10-1.85,??a??f~\c(H2R)=c(HR-),/??NaOH~\??,?R???6??zq?°Z,÷a??f~\:2c(H2R)+c(R2-)<0.05mol·L-1,AGHI;d??f~\pH=8,~\±xl,c(OH-)>c(H+),?Ka2=10-7.19,RC}c?~\c(R2-)=c(HR-),7ec?d,-*??zu!w,?c(Na+)>c(R2-)>c(HR-)>c(OH-)>c(H+),BGRS;b??f?nNaHR~\,pH=4.52,~\±pl,??HR-?=????iK2??,?K?=?ní??,CGHI;*?C?~\QNa2R~\,pH=9.85,~\?xl,fVW}xl@A???w±?,VW?D:w±?,*?C?_??!Q???Q`??,DGHI。26.【01】(1)E??ê9(U?ê9)(1d) qrp(2d)(2)??O?g\??56??,??efd`(2d)(3)2MnO"4+10Cl" +16H ???! 2Mn2++5Cl2↑+8H2O(2d)(4)d(2d)(5)?F?(1d) 97.8℃(2d)(6)CH3CH2OH、CH3CH2Cl>CH3CH2OCH2CH3F(2d)【23】(1)?*??、?1??O,Bj->GyK,Cjqrp。(2)?HE?:??O?g\??56??,?2ef。(3)qypg%?p?efc!?、??!?、?O>K。(4)U??!v^_?!z??O。(5)????????S?[?。(6)G/H,?!"[#18 $]?g?!zefc;??}qrp7U°?:c?F。27.【01】(1)??pXd`(1d) Fe(OH)3、Al(OH)3(2d)(2)3Cd4++CH3OH+H2 ???O 3Cd2++CO2↑+6H!(2d)(3)b(1d)(4)5(2d) ,-"./0(2d)(5)9(2d)(6)73600(2d)【23】d3ù?q?,?u!??~irp,pXü?~\?Cd4+、Fe2!、Fe3!>Al3+F??。(1)????>\??56??,:E%efd`。u!F???c??,?I2?C<dnzu!?>zu!?。(2)G/H,¤?!u!<CO2,Cd4+!??<Cd2+。(3)?uKnJ?u!?,fVW?uKu!F???。(4)?°?h?????pH?,(Al3+??????XpHn5。G/H,".?~iK,?~i??,U??NO".,,-"./0。(5)??~??+?,c(Cd4+)=Ksp(CdCO3)c(CO2-3 )=1.0×10-9mol·L-1,pCd=9。(6)n[Cd(BrO3)2]=n(Cd)=100×106g×28%×(1-20%)112g·mol-1=2.0×105mol。m[Cd(BrO3)2]=2.0×105mol×368g·mol-1=73600kg。28.【01】(1)+8(2d)(2)b(2d)(3)①b、c(2d)②[?%iT0℃,efⅡ&'{??G???iefⅠ,?oCO2??m?A,?(2d)(4)x+y3 ×100(2d) y(6-x+2y)x(x-2y) (2d)(5)R(1d) CO2+6e" +6H ???! CH3OH+H2O(2d)【23】(1)ΔH1=E1-E2=57.5kJ·mol-1-8.5kJ·mol-1=+49kJ·mol-1。ΔH2=(283+151.5-0-393.5)kJ·mol-1=+41kJ·mol-1。ΔH1-ΔH2=+8kJ·mol-1。(2)efⅠ?RefnK?ef、L?ef,??M?:R??,}?%[?°:Mbtu,?Vb。(3)①}ès@A°,×NefO?m?nO?,??xC??,aGHI;O?d??????,zmA??,O??&???d?mA,?,á??8}?&',bGRS;C?1molH—C?y8c<1molH—H?,?C?H—H?>?<H—H?d`?F,}?&'??,cGRS;H2、CO2q?%?xCFi3,dGHI。?Vb、c。②×N#?ef?n^Cef,efⅠ}?&'?,j[(&'{??G,CO2??d???;á[??} T0℃8,efⅡ&'{??G????,?oCO2??d?ZX。(4)efⅠ: CH3OH(g)+H2O(g幑幐) CO2(g)+3H2(g)wx?m?A(mol) 1 2 0 0;!?m?A(mol) a a a 3a&'?m?A(mol) 1-a 2-a a 3aefⅡ: CO2(g)+H2(g幑幐) CO(g)+H2O(g)wx?m?A(mol) a 3a 0 2-a;!?m?A(mol) b b b b&'?m?A(mol) a-b 3a-b b 2+b-aG/H,b=y,3a-b=x,2ü:a=x+y3 。&'8,CH3OH;!`α(CH3OH)=x+y3 ×100%。&'8,n(CO2)=x-2y3 mol,n(H2)=xmol,n(CO)=ymol,n(H2O)=6-x+2y3 mol。efⅡnO?d???F?ef,T??Q1L(???fg&'??+?)。!"[#19 $]K=c(CO)·c(H2O)c(CO2)·c(H2)=y(6-x+2y)x(x-2y) 。(5)??m;!?,H2Ou??!u!,bcu!ef,F?Q??A。PB=?,a?QR?。??×CO2bc??efc<CH3OH,???=?ef?QCO2+6e" +6H ???! CH3OH+H2O。35.【01】(1)7(1d) 15(1d)(2)>(1d) <(1d)(3)?l??(2d) sp3(2d)(4)N2UCO(1d) R???(2d)(5)????(1d) ??(1d) 4π×10-30NAρ(r3Ga+r3As)3(MGa+MAs)×100%(2d)【23】(1)????=???Q1s22s22p63s23p63d104s1,??a7?:ì,???Q15。(2)Ga>As]i#???,×$?=???,????????[d3,y????,???=????,??,?,#n=?:??。(3)AsCl3d? As????=????Q3+5-3×12=4??an??=??,????=??????RC3d??????Q?l??,As??¤!ò?Qsp3。(4)F=??nw??z??y,?=?z???y?ó6,??CN-d3,??nN2U CO;?9[Cu(CN-)4]2-??CN-2QCl-,?an???,??÷[Cu(CN-)4]2-CN-?i?y?]1,?4??????W^]1??QR???。(5)GaAs???Q1238℃,???%,???????,??Qρg·cm-3,????>+?,As???Q8×18+6×12=4,Ga???Q4×1=4,???????????V1=(43πr3As×4+43πr3Ga×4)×10-30,?????V2=mρ=4×(MGa+MAs)NAρ,?GaAs?? ? ? ? ? ? ? ? d ` QV1/V2 ×100%,9 V1、V2 ? ? + ? ü ? d ` Q4π×10-30NAρ(r3Ga+r3As)3(MGa+MAs)×100%。36.【01】(1)1,2-?¤?(??¤?)(2d)(2帨師?師)CH2BrCOOCH3(2d)(3)?Sef(2d)(4)!""#!$%!$&'%!"#$""!$%'&$'(2d) !!"(2d)(5)BD(2d)(6)!"# $!%!"&!"#$$!'$!"&!$()&"!$!*$!&!%$ $!%!+,!%&$$!*$!%+,!%&$$!*$!$!$!*!%&$$!*$!*!*$!*$(3d)【23】(1)QR.nw?a?§?vz!??。A?!"?QC8H10,??v?????? A?an??§,???a2?v?????????§×?z??,?§×?????:Q1???U2?¤?。???mC?§×????]1????A???q?Q!"[#20 $]帨師?師CH3CH3,÷A?9?Q1,2-?¤?(U??¤?)。(2)?“v?Ⅰ”??:?mDg¤?ef,?Sn?Q??>n?z??,ug¤??v???,÷?mD????帨師?師QCH2BrCOOCH3。(3)???×d3,Fn!!"#$%,Gn!!"#$,Fx??g?]v??×?z??bc?Sef?。(4)E???q 帨師?師?QCH CH? 2COOH,??“v?Ⅱ”,E???q?avv??>!?,}n?@A°gI2ef8,CSvv??,y8#?v??d?:5n?x??>n???,cF。h?,?mEcF????Q!""#!$%!$&'%!"#$""!$%'&$'。?????¤pgI2}n?@A°efc< F?"??Sn,?efy8c?n?a5?"??gF?Qyd???,?a5?"????q?n!!"。(5))e????@A??:①?}V?T;?h?,B??;②???:T;?v???:5#??y???U???。G???n?v??:52?z??,???@A②,h???})e???,AGHI;?Gc<H???,vv????,???vv\?,hi?,BGRS;?mG?gzObc??:?a?§>vv??,h??mG??:g4molH2bc?!!"#$%,???>x????gNaOHbcef,÷1mol?F???g2molNaOHef;7H???q??a#???,gNaOHbcK2ef,h?1mol?H?????2molNaOH,DGRS。(6)ú/?U|é>。?“v?Ⅲ”??,C ??H3?C CH?3CH?3H3C?ef?QCH3 ?CHCHCH3。C}????U×??v7?y8?ef?,c<CH3 ?CH CHCH3,h??B9??7Qef?,Q????;????? ? ? ; ? ? ? ? ? < ? u ! ü ?。? < ? à B q ? ±:!"# $!%!"&!"#$$!'$!"&!$()&"!$!*$!&!%$ $!%!+,!%&$$!*$!%+,!%&$$!*$!$!$!*!%&$$!*$!*!*$!*$。!"[#21 $]!'7.【01】B【23】\]=!^_?ACA,\]7??????n]=!^C7?d2,AGHI;?vp?V~Z2c<CO2F,ZX§'%&,BGRS;Elu!??W?h:(X?m?l,DGHI。8.【01】C【23】G?!?、(?)·?、??,AGHI;G?:bc?Sef,BGHI;FeCl3~\??]0G?·?,g?n~\?t?,CGRS;?§×?—OH、—COOH、—OOCCH3???a10?,lGúY,?a9?,DGHI。9.【01】C【23】qrp????i??,?y?8?Y?ACA,?y?89qrp??????uZ[,AGRS;j1CUiSsSO2nmln,BGRS;???:!pl%?p?~\^_,Bj1?jJx~\,Ej1?jpl%?p?~\,lS?O???,CGHI;1,2-?Q??~i??!v,?Uú?f7d?#?\?a5?,DGRS。10.【01】D【23】CN-K2"cHCN,??CN-?\Khi???÷:??,AGRS;??KClnQ??2Ca2+,?“\K”?A???~mQCaCl2,BGRS;“?Y”f???g Ca2+efy8??K+??m,??U?“(?X”?:nK2CO3,CGRS;".Q?a??K?!??,?“n?{f7”f3Qúbq?、????、??、NO、?1,DGHI。11.【01】D【23】q??y?Na2A>NaHA~\,NaHA?K2???,~\xlo,?Y??}??à?±NaHA~\??W,AGHI;X?>Y??pNa?y,?c(Na+)?y,}Y????ANaOH??,c(Na+)??,???:}?X?,BGHI;pNa=28,c(Na+)=10-2mol·L-1,?X?Na2A?q?Q0.5×10-2mol·L-1,Y?NaHA?q?Q1×10-2mol·L-1,A2-K2??tiHA-,?c(HA-)>c(A2-),CGHI;??Y??}?à,pNa=1,pOH=5,??c(Na+)=10-1mol·L-1(¤óQNaHA?q?),c(OH-)=10-5mol·L-1,??HA-+H2幑幐OH2A+OH-,÷HA-?K2??Kh=10-5×10-50.1 ≈10-9,÷H2A?=??? Ka1=KWKh≈10-5,???AìQ10-5,DGRS。12.【01】C【23】?=?ef??,?=8?Q??,?=?aQ??,=?bQR?,R??=]%i??,AGRS;?=8,Mgbcu!efc<MgF2,BGRS;?=8,=?bQ??,g=@R??:,7CH4P~=???WO(UO2)?n?QR?,3R?g=?b?:,CGHI;?=8,=?b?=?ef?QBi-3e" +3F???" BiF3,?;?0.3mol=???0.1molBi(?ái20.9gBi),DGRS。13.【01】D【23】}???,tx¨QNaOH。:(.?~\,??O??:nSO2、Cl2。=2?!wK~\c、zO>?O。?M?:nNaClO、Na2SO3。R?O?z!?(&'???O\()?^?,??RQ???,]O?K~\±xl。J×?N,XQu??,YQw??,ZQr(U?)??。Cl"(S2-)、N3-、O2-、Na!???G?,?,AGHI;H2O?C??l?NH3t,BGHI;?O?¤Q?O,÷?C??~\???,CGHI;NaClO、Na2SO3:K2,?tK?=?,DGRS。26.【01】(1)1?5(2d)(2)?^J>(1d)(3)6I2+11KClO3+3H2 ???O 6KH(IO3)2+5KCl+3Cl2↑(2d) KClO3(1d)(4):???O(U?O、HNO3)gNaOH~\?56??(????,2d) ^_"c??O(U?O、HNO3),? ?%&§'(1d)(5)①?L~\(1d) ②97.3(2d) ③D%(2d)!"[#22 $]【23】(1)?u!?xlSWnu!vc,÷3ef?!"???QI2O5???+5COI2+5CO2,??u!?g?????m?A%?Q1?5。(2))LM?9?n?^J>。(3)?_1ef?????Q6I2+11KClO3+3H2 ???O 6KH(IO3)2+5KCl+3Cl2↑。(4)e`?<=Nl??????^,?an?7Un:???O(U?O、HNO3)g NaOH~\?56??;NaOH~\?7Un^_"c??O(U?O、HNO3),? ?%&§'。(5)①3*?VW?w±?n?L~\。②???? KIO3~3I2~6Na2S2O3?? n(Na2S2O3)=0.1mol·L-1×0.015L=0.0015mol,??0.550gxp?".m(KIO3)=(0.0015÷6×10×214)g=0.535g,0.535g÷0.550g×100%≈97.3%。③jNa2S2O3??~\?*?9`a'N,????D?,?%ü".?mAd?D%。27.【01】(1)-122.7(2d)(2)0.1025(2d) 625(2d) >(2d) 32A32A+9B(3d)(3)?@@A??,CO2&';!`??~O n(H2)/n(CO2)???7??(2d) ?@@A??,CO2&';!`?ef[??j%7ZX(2d)【23】(1)??YZ?[d3,9???①CO2(g)+3H2(g幑幐) CH3OH(g)+H2O(g) ΔH1=-49.1kJ·mol-1;②2CH3OH(g幑幐) CH3OCH3(g)+H2O(g) ΔH2=-24.5kJ·mol-1tuB°+?①×2+②?üC!"???Q③2CO2(g)+6H2(g幑幐) CH3OCH3(g)+3H2O(g) ΔH3=-49.1×2+-24.5=-122.7kJ·mol-1。(2)① 2CH3OH(g幑幐) CH3OCH3(g)+H2O(g)wx(mol) 1.02 0 0a?(mol) 1.00 0.50 0.50&'(mol) 0.02 0.50 0.50H2O(g)?&?efd`Q1.02-0.222 =0.1025mol·L-1·min-1;?ef3[?°?&'??QK=0.502 ×0.502(0.022 )2=625;??{sLd???CH3OH(g)0.02mol、CH3OCH3(g)1.0mol,÷Qc=0.50+1.02 ×0.502(0.02+0.022 )2<K,??efR{?G,?Refd`?i|efd`;②?????2CH3OH(g幑幐) CH3OCH3(g)+H2O(g)+?,¤??;!` α(CH3OH)=A18×2A18×2+B32=32A32A+9B。(3)eqd3,?@@A??,?[???!,CO2&';!`??~O n(H2)/n(CO2)???7??;án(H2)/n(CO2)?y8,CO2&';!`?ef[??j%7ZX。28.【01】(1)CuSO4(2d) Pb-2e-+SO2-???4 PbSO4(2d)(2)úbq?、????(2d)(3)3SO2+2AuCl-4 +6H2 ???O 2Au+3SO2-4 +8Cl-+12H+(2d)(4)U?\2~2xXI(Uu??p~2xXI)(2d)(5)PbSO4(s)+CO2-3 (aq幑幐) PbCO3(s)+SO2-4 (aq)(2d) 1.6×10-6(2d)【23】b?Jò????c?aCu、Au(?)>PbSO4F¤m,dJ??h?X??ü?rp?~\,rp?~\K?úbq?、Z[??、??、NO、?1Uürp???;Au(?)>PbSO4F¤mKvpwXN、q?pu!?,??ü??p?~\,?\?rpc,???ü?rp?;???I?Cn?,?eK~?,ü??aAuCl-4 ?~\,!"[#23 $]AuCl-4 ??!SO2??ü?Au。(1)=2Jòb?8n?Urp?~\7=2m~\;=2Jò?b?7??obcu!ef,?\m?>T#l?Cut??h?obc~2,h?b???>?obc0=??u!ef,=?ef?QPb-2e-+SO2-???4 PbSO4。(2)f7Inerp?~\Uürp???,h?3f7núbq?、????、??、NO、?1F?_。(3)SO2?? AuCl-4 ???>u!?????S,h?fs?é%Yu!"?n SO2-4 ,??"?nAu,??u!??efü0=??è?EG(&,N???=??è?(&,h?ü??ef???Q3SO2+2AuCl-4 +6H2 ???O 2Au+3SO2-4 +8Cl-+12H+。(4)?\1n}??rp?8?°??\,??a-A?ò3Y?rp?,h?u?×??rp?~\tug§,aTi?dTU,h?òó???:>,f3nù?ü???n?\2,??\2n}?p?~\??rpc,?~\H+`abcef,h??a?A??p~\,????i??\á。(5);???#????~??,??rYvp??rp????~,h?jrp???vpw,bc?n??~2;!?ef,?????C?H????,???QPbSO4(s)+CO2-3 (aq幑幐) PbCO3(s)+SO2-4 (aq);á~\c(SO2-4 )=0.2mol·L-18,c(CO2-3 )=Ksp(PbCO3)Ksp(PbSO4)×c(SO2-4 )=1.46×10-131.82×10-8×0.2mol·L-1=1.6×10-6mol·L-1。35.【01】(1)1s22s22p63s23p5U[Ne]3s23p5(2d) ?j(1d) N>O>C(2d)(2)CO2(1d) H2O(1d) CO2n??ld?7Kn?ld?,? CO2}K~2???,NH3n?ld??:gKd??(3)X-kàlk>(1d) c(2d)(4)Na2O(1d) 2.48×1032d3ρmol-1(2d)【23】(1)=?}yn:ì×MT?{?yn??j+÷S??。???#n=?:?????)§QN>O>C。(2)H2O、CO2、NH3??d?,¨?????=???d?Q 4? 、2? 、4? ,?¨??¤!??ò?d?Qsp3、sp、sp3。Kd?nV?d?。NH3?gKd?^?,e7(?~2?f?;CO2n??ld?7Kn?ld?,? CO2}K~2??。(3)RC??n???n?????m??>nX-kàlk>。???????%,????<,?a???,?in?d?????~iK,?cG??/H。(4)?qI?????,#ò????5?Q2?1,?!"?QNa2O,n????a 4? “Na2O”?<ó6,?????Q10-30d3cm3,???mAQ4NA×62g,10-30d3cm3×ρg·cm-3=4NA×62g,NA =2.48×1032d3ρmol-1。36.【01】(1)?¤?(1d) ?Sef(1d)(2)vv??、!?(1d) 帨師?師 ?CH? ?OCH?3?C??O?OH(1d)(3師 師?師) ?2 CCH?3?OH?CHO +O2R!?→???師 師?師△ ?2 CCH?3?OH?COOH(2d)(4)m(1d) }??!R!u!?y8,vv???!:u!(2d)(5)5(2d)師 師?師 CH2? CH CH? 2 (1d)(6師 師?師)AlCl3CH3→?師 師?師Cl CH? 3Cl2→?師 師?師PoCH2? ClNaOH/H2→????師 師?師OCH2? OH(3d)!"[#24 $]【23】(1)F???q師 師?師?Q CH2? OH,!"9?n?¤?,⑤QD}qrp、?C@A°bc?Sefc<E。(2)E???師 師?師Q ?CCH?2?COOH,?a??:?nvv??、!?,師 師?師 ?D CCH?3?OH?COOH?a!?>·?,:bc??c帨師?師?Q?CH? ?OCH?3?C??O?OH。(3師 師?師) ?CCH?3?OHCH2? OHK?ef③,n·?:5?v??×a 2?z???v??bcu!efc師 師?師?ü? ?CCH?3?OH?CHO,g O2}R!?、?C?@A°e f ? üD,} Y e f ④師 師?師? ! " ? ? ? ?2 CCH?3?OH?CHO +O2R!?→???師 師?師△?2 CCH?3?OH?COOH。(4)④、⑤#??:p?,hQ}??!R!u!?y8,vv???:!u!。(5)g師 師?師 ?A CCH?3CH? 2 sa?a?y?:??QR!???yd????a5?。?§×??:5n?¤?>n?— ?CH CH2,a????,???n?§×:5— ?CH CHCH3U—CH2 ?CH CH2,? 5?,??E?àzáQ???,????%?Q1?1?2?2?2?2???q師 師?師?Q CH2? CH CH? 2 。(6)??|é??d3,?¤?,BC?師 師?師* CH2? Cl,??U¤????ef,TU?>n?¤?bc??efc<¤?,?師 師?師? < ? à QAlCl3CH3→???師 師?師Cl CH? 3Cl2→?師 師?師PoCH2? ClNaOH/H2→????師 師?師OCH2? OH。书【!"#($1%)】 【!"#($2%)】!"#$%&'()*(+*,-*./0123452020!"#$%&'()*+,-./&'()*+,-.&/0.!"#$(%)&'():1.1.2,'3456789:;、<'=>?@A10BC。2.D1EF0G,EHIJ01KL,MNOP10BCQR0S91KT>UV。WXYZ,M[\]^_L,?EUab1KT>。D1cEF0G,61K@A10BC。@Ade.Cfg。3.'ehiL,6de.j10B#klD。 mnMo9pQqrst:H—1 C—12 O—16 Mn—55 Ru—101%、*+,:-,.13/,,0/,61,.781。20/,34567*)8,9:%);<$,=>?5。1.uvwxyz#{|}93~?r,??p?????9wA.quxyz9DNAw??9,)uxyz9uDNA?w??9B.??xyz9RNAw?DNA????o9??uv,f??Q?AC.DNAjRNA??9????,???j?v???D.xy3~?G??DNAjRNA,?}??~swDNA2.???¤?jATP9?§z,??9wA.?jATP9¨????mnp?B.f???9I#?°±X}?,?±n?3ATPC.?m?|??M,·ATP?n|??MD.???zCO29??????9??jATP9??±??3.???¤???xy9??、??、??j??9?§,??9wA.xy????z,??s?{?3Y?9?dq?w??~s?3???B.xy??L,az9??{t??C.??q???9xy???פ??93???D.?xy?¤??xy,??????à??2á?4.???Q???è9????éêj?ì?9?í??éê??????à,???§??9wA.éêhòp?:DNAw??~sB.ó?éêzx???±?J???C.?????í??éêL???????éêD.éê÷?ùú??,·??ü?Q?q?5.?A???!"Z9??z#?$?3#%??。???§??9wA.&??z?'($?)p?*?+,-./9?)0ZB.&??z$1?2x34956+789t9:;C.&??z,<=xy?CO2>Axys?sz?3D.?!"ZtH?L,@J4jAB4Q?91CD$E&6.F1、F2G?HIt??9p?JK,???§??9w!"!#$%&!"#F1 !"! " # $ % !! !" !# !$ !% &!!'(!)(!*(!&(!(('()(*(&((#$%&'(+,-.F2A.LM~NO,??HIt7?JK#?GF1z9JKⅠB.LF1z9JKⅡ?GJKⅢ,?P?H93??Q??RSC.F2zA、B、C、DTU9?HVW¨?G7?X9>?A、BUD.F2zDUG,?HIt?`YZ?Q9?????7.??[\9÷]A^_G,ant??`a?}w??n??G9n9wA.bc B.de?f !"#$%&'(C.ghijk D.l,8.????~s9Mm?Ds?§??????n?o9wMm DsA^pC,[Mqr_stuNH3??G?5t99tBvwvmM¤Axyzf{|_T} vwvk?~vD,n?xyC??v?KI???Rs]HI?vw???9vD?j?v??q[_??9??u ?v???3?9NaOH????R9.????????q9Ds???9?r??a???9wA.M__?u:Fe3++3H2 幑幐O Fe(OH)3+3H+B.M¤s??dú9?q:2Fe3+ ???+Cu 2Fe2++Cu2+C.?J???q?R:Fe3++3HCO-???3 Fe(OH)3↓+3CO2↑D.?KSCN?q???:Fe3++3SCN ???- Fe(SCN)3↓10.NAw??8??[I9?。??????9wA.pC,s]54g?G??drIG6NAB.???H28?3?1mol???8¤G,?D?I_712NAC.AT§?,11.2LSO3?qr¨IG2NAD.9g32He?zrIG6NA11.???????R、X、Y、Z9qr?I??7,[°[±?,RX2w#????i?。Y2X2n???R3?~?ji?。Z9?&????~QR9??~ji?v?~?w~d?s。??????9wA.??9?r·?:Y>Z>R>X B.??9i?v?~??D:R>XC.Z9??~QR9??~?w~vD.Y2XjY3RA??????n?d12.#?&nt?9?X^d??M??jr?9?BqGd?s?q,d??RG3MnO2+Al+3H2???O3MnO(OH)+Al(OH)3。??????9wA.?d#°G?L,r?j????qz9??7B.LMM??jNaOH?q_d?s?q,ad??Rp?C.???RaGMnO2+e-+H2 ???O MnO(OH)+OH-D.Ldúz??0.3moldr,!òC??26.1gMnO2!"#$%&%$'( !)*+,%-..-/!"#$%&13.[°?,A20mL0.1mol·L-1H2C2O4?qz?80.1mol·L-1NaOH?q,?qzH2C2O4、HC2O-4jC2O2-4 9~s9t?I??qpH?oWF??。??????9wA.JKG?{HC2O-4??B.HC2O-49????¤d???C.aU?qz?A:c(Na!)<c(HC2O-4)+2c(C2O2-4 )D.[°?,H2C2O49d?[IKa29It?G10-4@、*+,:-,.8/,,0/,61,.481。20/,34567*)8,A14~18,9:%)<$,=>?,A19~21,:B)<$,=>?。CD*E5F61,*EGHC5F31,:*I5F01。14.?¤qrjqru,??????9wA.qr?IàJ9????n7??H?KB.hBn?,{PurhB?qruG?Hnt??C.???Kjβ?K9ds?wdr?,??Aqr?9+?p?D.?¤??9vqr?5#??r??o*??L,A×?n???G,??H?r9??#?J¤q?5?r9??!15.WF??,#J??A??G θ9?????|C,M??|×C、JG F9à???¤á???;L6_MàYG??×?,??J?á?A?|C,???×?9àJRGA.Fsinθ B.Fsinθ C.Fcosθ D.Fcosθ16.?g,#?Jèé??12m/s9??A?ê9?úC?ì,íb??2????#??é?A?à?9????×2?ìG,òó?é????"Z,??"Z4s,óé?÷??ùú,?°G??Jèé"Z9ü?G40m,??°G???é"Z9ü?GA.32m B.28m C.24m D.20m【!"#($3%)】 【!"#($4%)】!!!""#!#"$%&17.AWF??9?±fdúz,!??±fq、?K?9!I"?n1n2=21,R1G?Z?#f,R2G??d#,Aa、b$%&u=Umsinωt9?'l?d,,-?Z?#f9?(P,???d#R2ó$9d±G槡28Um,?Z?#f)&dú9d#???d#9#?"?R1R2GA.12 B.2 C.14 D.418.2019V1*3+10G26?,,-T>./f?0Z1A*?2|3EZ14,k1?“56”z78?D?9:$#;<ü?=>9*2?@F,AB?C?*29DE|F。GHI?j*?9·?"?JG4?1,I?9K??*?9K?"?JG3?2,?./fAI?{|Lo9Mà?A*?{|Lo9Mà"?JGA.8?3 B.6?1 C.16?3 D.32?9!"#19.WF??,a、b、cN?O?P?¨?Q|?RP,>Ab?z1?SGT?×9d?,?6b?z9d?7,???UV??9wA.a?z?3SGT?×9WRd?B.a??X;YZC.c?z?3[GT?×9WRd?D.c??X;YZ!!"!#!$20.WF??,??Gθ9???O\?9?|??A??I|C,A?|C???]^6#?stGm9J?_N??K`H,I?`?G???p?,·`??×??。?K#:va???|×?;?Ka:vb???|×C;?KN:vc??×?,?`HLblzê)cAI|C。?J?b`HocI9??,??????9wA.N??K`H9J?,|à?90pdB.N??K`H9J?,cI??±p?C.cIG,?K#j?KaJ?|à9eG0?pdD.N??Kz,J?|à9?±0?P-Ga=P-Gb=P-Gc!"#$%21.WF??,fKP?wUdgdhz9NiAjê|?9dZK,??klxêmMNjdZKA?#jê|?,MNmBnjê,a、bwêm?dZK9lU,#?o?dJ?pAmC,bbU?á?q?,J?"ZoaUG??JGv1。hLrmsaUAjê|??[GT?×?ofK??]^,?rodJ?bcU(cU]^9&??bU?)?á?q?,J?"ZoaUG9??JGv2,???????9wA.#??v1>v2B.mn?v1=v2C.LJ?bboa??8?"ZL???"Z,h?dg#?otdD.?òh?dgo?duwotd,J?bcoamn#ê?8?"ZJ、K*+,:.1741。A22~32,LMN,,07O,NPQMRST。A33~38L*N,,NPUV>?ST。(%)MN,:.1291。22.(6?)???MWF1??9v^?.wxyxà?z?9?oéê。F1 !!"#$%& '%& (%) *+& ,&%& ,-%&&.+)-+/-+)0+/0+))+/"12F2(1)éêG6xy{|A?}~C,?/H?|?Gxy9??,?6???|Axy9?$,I??/H?á?GpR9xy¨??L,??Hxyz?9??x,}?I??|?9|à,óxyxàF9J,A?T?C?H??/t9xyxàJF?xyz?9??xQR9I?U,_H9F@WF2??,???o:xy9??oIG N/m。(2)&??$a?éêG6&xy???^/Ha7h??,hLjê{|??éê。?o9F-xFKMfK{?(éKG$#?éê??),?o9FKR&w??F z9fK,$a?/?9xy9??oI?$#?p?: (?“?”、“?J”?“pd”)。!"#A !"#B !"#C !"#D23.(9?)}/t#?d#9#?(J???),ó???÷????9dú??/t。(1)$#???÷?9dúWF???。Fzd#?R09??G0~99999.9Ω。①?6?Z?#f9?Z??o (?“?”?“?”)$,? )1B? S;?? S2VB,?BS1,,-R1?d???T????#]^,k}?d???II1;②VBS1,??R1??,?BS2,,-R0??d???IG G,R09?IóG?/d#R9#?。(2)$a???÷?9dúWF???。Fzd±{9?#JG???。①_dúF??)÷dú,?BB?SL,? ?BB? ,,-?Z?#f?Z???í]^,?Hd±{9?IGU1,d?{9?IGI1;②`?BB? ,,-?Z?#f?Z???í]^,?Hd±{9?IG U2,d?{9?IGI2,?éêI?/Hd±{?#RVG ,?????/d#R9#?G (M0Sz?H9~!t{?)。!"!#!#!$%&!!"!"!#!#%&!!"'! "!"#$!"!24.(12?)WF??,fKPQ???A?ê?|×í9?~?h,?WR~?GB。#?stGm、dgtGq9o?d?r,bfKCMU?#?9???ê?h?×?&?h,??&G?r???×?fKPQ¤?G60°,"L?rbfKPQC9NU?H?h。GHM、NóU?9ü?GL,???r9|à。?:(1)?rA?hz"Z9G?;(2)?r9Zn。!"#$!"#$%&'()%25.(20?)WF??,A??|C9A、BóU???^~§?j?,AC、DóU??????d¨j??,TUd?ü??,p?óU?ü±GL=1m,A~§?C?????(,~§?9stGm1=1kg,?(? °??()9stGm2=2kg,??|CBU????,BU??±?,ó~§?±???|?9Z?]?IG0.5,?Q~§??8#?JGF=35N9???à,í~§?"ZoABzUG?·?à,?·?àL~§?7?×?"Zk?~§??3xD??,hn~§?×?"Z,?d¨/?~§??L1??d¨9G???G1.8s,??~§????p?9G?,~§????9??nt?;?m??,??ó~§9J,|à8??Jg=10m/s2。?:(1)?、???L9????G?;(2)?、?ó~§???A??|CGpü???(3)???L,?u$"Z??G??26.(14?)Tv??(LiAlH4)w|}9?cB?uqu。A??{z,?j?]¤Q?K]^,??9???B~Dsp?。?J¨?±?v?Gq?s]Tv??,a????W?(??i???):!"#$%&'('!)*+,$-."/,$(&01 $#$2,$!%&%'324$D1???0:(1)LiAlH4zv???B?G 。(2)@H“v?”9?r??a: 。(3)Ai?Bz?^????q?of????,i?B9_Mw 。(4)A“d?”z,??9d??RaG 。(5)LiAlH4???3?!?R3? LiAlO2j H2,A&?Rz???~juq?~9st"?G 。27.(14?)?a??v?(Na2S2O4)[_M?9??u。éê?s]q!:A35℃~45℃?,×v???j?9N??z1&SO2,?????RL,t???°,? 8&NaOH?q3?Na2S2O4。?a??v?k?~uqD,?9?$??。A?Di??à??,??¤??。?J¨÷?W?v^s]?a??v?k.waDs:【!"#($5%)】 【!"#($6%)】!"#$!"%&'#$%&!"($'")"*+(,-./0()D1???0:(1)L[×4_Mw 。(2)G??÷I?s?R,B99??zuR78#??f,?w (?;?)。(3)@HCz?3?R3???9?r??a 。(4)N??z?R??L,b?qz??Na2S2O4?M??w,?°??、h?、?à、M???á、?d。M???á9?Uw 。(5)??tNa2S2O4??¤e4,8&????a??,?8?t??,?è,?qé?。×?RL?qz8&?vv?,??8BaCl2?q,?3??ê?。@HNa2S2O4?qj???R9?r??a: 。28.(15?)pC,m?M?¤??ì??s]?í。???Rq!:2CH4(g幑幐) C2H2(g)+3H2(g) ΔH(1)GH:①CH4(g)+2O2(g???) CO2(g)+2H2O(l) ΔH1=-890kJ·mol-1②C2H2(g)+52O2(g???) 2CO2(g)+H2O(l) ΔH2=-1300kJ·mol-1③2H2(g)+O2(g???) 2H2O(l) ΔH3=-572kJ·mol-12CH4(g幑幐) C2H2(g)+3H2(g) ΔH= kJ·mol-1。(2)A1L?zK?zfz?&1molCH4,A????u{|?3C§?R,/??]G???¤9???[α(CH4)]?°?(T)?oWF1??。!!!"!!#$%!!$&'""(")! #)*+,"(-./0!$")*12BUGCH49?????9?}q?mnw 。(3)A2L?zK?zfzN&2molCH4(g),A#?°??>?3?R:2CH4(g幑幐) C2H2(g)+3H2(g),/??Bi?¨~s9t?G?(t)?oWF2??。①MU:??R?? [?R??(?“¤”、“J¤”?“d¤”)。②&i??,?¤9?????G 。③&°??,C§?R9??[IK= mol2·L-2(??hn?ò2]JI)。(4)?¤li?Dó?d?9nt???&。&ó?d?z,A ?4N&?¤(?“?”?“t”)。29.(10?)A??j??,?÷~9_?B??j?????°?"??oWF??。D1???0。!"#$!"#$%&'!(&)%!*)+,%-.%-/+-0+-%/-1/-./%2 3/ 32 ./ .2 2/ %2 3/ 32 ./ .2 2/%&!45""'()#*6""+",*+%+/10.%/-(),*"#$%&'!(&7%!*7+8./6456450/(1)/t&÷~9????G,&÷~?=xy?B?ATP9xyfw ,_?UV9!?w 。(2)I?°??QR9ó?I?"j??9w 。(3)?F??,??&÷~?B_M??CO2?????_M?3CO2??pd9QR°? (?“¤”、“d¤”?“J¤”)45℃。(4)ùw??~??&÷~?B?~×né?ú7????t7。Wüê=&hò???}@Héêùú?aéêhnjhò。30.(8?)WF??G??Q?!"i~sB?9,-?#F。D1???0。!"#$%&'%&()*+,-!".$!/012"#$%)*324$5%&'%('%&0&$%(1)?F??,?§???&$xyL9_M: 。(2)E?L^3???#?9?!,Yc?Gó¨??éê,ahnW?F??。!"#$%&'! 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($%)*+,&'(!)*$-,&)(!)*$./(3)GH/y?ê?9??GCu2(OH)2SO4,e@H3??ê?9?r?R??a: 。(4)?H??G?M8&?{9??,??w?6h?9q?w 。II.r?t9/?!"#$%&!"'#"()*$"!%&+,-./0'"120("3456/0)"73')('$!#* + ,????wg??,8?t???,?&WF??9N??z,hL??8&Ot10% NaOH?q,1&??i,6o?qz9r???H,kM???%??4??,MV1mL0.5mol·L-19?vT。??)5?,M0.5mol·L-1NaOHT???)9HCl(EM??0_??u),o???UG??V2mLNaOH?q。(5)Av^z?xy49_M ,o?zr9st?I9{RaG 。(6)??éê?_mn?r?t/?hn?&9q?w 。A.??G?MNaOHTB.?IG,??2?ò,??L2òC.????zEM34_??uD.??)5?2,?M???%?§&)5?z9?4í?28.(14?)CO2D5?×Mw?Qd?eùw99Un0。×M CO2s]B?i(CO、H2),? s]&???,W?{d,?m?×MCO2ê)s]?{d??。(1)GH???R9??R0?n(E1)、[?R0?n(E2)W{??:?> ???RE1/(kJ· mol-1) E2/(kJ· mol-1)① 2CO(g)+O2(g???) 2CO2(g) 1954 2519② H2(g)+12O2(g???) H2O(l) 685 970③ 2CH3OH(g)+3O2(g???) 2CO2(g)+4H2O(l) 3526 4978Ap?i??,gn?R?m9w (??>)。?H2j COB?i??{99????aG 。(2)T1℃?,A2L?zK?zfzN&0.20molCOj0.60molH2B?CH3OH,?3?R:CO(g)+2H2(g幑幐) CH3OH(g) ΔH<0,Q5min?÷Ro??,CH3OH9??w0.05mol·L-1。①T1℃G,? H2{?9?±?R??G ,??[IK= 。!"" #"" $%"" &'%%!(!&%%)%#%'%!%%!"#$(*②(T1+100)℃G,A1L?zK?zfzN&0.10molCO、0.20molH2j0.30molCH3OH,?G?R6 (?“×??Z”、“×??Z”、“Ro??”?“f?UV”)。(3)CO2j H2A??u_M??R,m?ê)B??{:CO2(g)+3H2(g幑幐)CH3OH(g)+H2O(g) ΔH<0,/?p?G???{???°?9?oWF??。①°?A800℃G?{???&9?}q?w 。②????nE&CO2?????9w (???)。A.+°B.8±C.8&??uD.7H2??(4)×Md??AvDi??6CO2j H2O??? COj H2,???Ra"#G CO2+2e-+2H???+CO+H2O,ac!W?:①CO2+2e- +H2 ???O CO+2OH-(??R);②OH- +CO???2HCO-3(m?R);③HCO-3 +H ???+ CO2+H2O(m?R)。az?9_Mw ;?s???R??9?Rw (??>)。!!"#$%&'""#()*%&'!!"" #"!"" $%!&& $'!&& $(!&& #!!&&+,-./0"#$%12329.(10?)?ùwJ¨A??NO、5Kf69?+,?/??7?o??B??d3!?T+??YZ,W?F??。?D1??p??0。(1)8:00o10:00?B??+&9q??:①°?+&,?B_M?0D7~;②??~?7,??R??8m;③ 。(2)?/??12:00G?B??H??89?Q???}w (?“??~?”?“CO2??”),?mnwa??s??B_M??。(3)Gê=??Q??7?B_M9??,÷???°q(A¨)j???°q(B¨),A·?i??°??7,#?G?L?/a?B_M??,éêhnGB¨ A¨(?“>”、“<”?“=”),?P?????B_M9??,q?w 。(4)CCCP(#???~s)n?s??79?B_M,G.wCCCP、??ó???Q??7?B_M9???apO?o,XA(3)9??C7÷ó¨éê,?a?°qG j 。30.(9?)D1???3????9?0。(1)6ó?3????§?dp?99:?;<·??$L?GA、Bó¨,A¨`??C$=C,B¨p?,Aó¨?;<9C$?C?dt3??9>?§,?$?C??3??9>?§,#°G?L?/?$>?§zwu??3??,?éêhnRG ,&éêm=P 。!"#(2)6·?;j?9??@?AB9C°Q?Eá?3/4?(C°z?3??),6?!?9C°^¤???z,#°G?L??·C±D×í?3?(WF??),LC°?í?3????p?,amn9q?w 。(3)?E??FQ÷~3???k???|9%?_M,??G“${÷~??*?”。{\zéêhnnu?P?E??FQGE3?k?ó|D? ,!?w 。????9?E??F??qQGEAB3???9éêhn(a~e??7)¨? ?? ??a??b??c??d??e?±D&(cm) 16 20 38 51 42 24!"!"##$$!%&'()31.(8?)WFG?、?óIA#°G??~?HI?9??JK,az?IGJK3?o+。D1??p??0。(1)ùw?、?óIA#°G??~?HI?9??_§wA ??Cùw9?0。(2)LFzAB°9??w?JK5Mg9,?A→B9??m???JK3?o+ ??D9J。BC°9???PJK3?o+k? nà。(3)Li?i???,?I??mLZ?JK,·?X9G?$píM?,??a?}q?: 。Wn?I9HcLZoDUG,?{BN?5,??{90Z6Y?&HcLZ9 。32.(12?)nO?4Q???(Ⅰ~Ⅳ>,azⅠ>GD???)。HB?P3XnO{?G??、?Q、ê?2,b&P3XH?z???o??、?、\N????RD??9HB?nO,a·UW{??。{?X {?X·3 ??X ???A???? 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(?“$”?“?$”)?3??。(3)&J¨*b?nO?Hz?o#>{?XGW?2、V?9EO,ra?#>ê?2??COBlL,r#?CElú?o9ra?9{?X?a?FGê?2??♀?ê?2V?♀?ê?2??♂?ê?2V?♂?W?2??♂?W?2V?♂=6?2?3?1?3?1,?CE?d9??X??G (?s?2D?9??MA/a{?)。【!"N($23%)】 【!"N($24%)】!"#$%&'((@)*N,:.451。WNPX2YZ!,、2Y[\,、2YPZ,80"]*%,ST。^_B`,a0"bc`5A%,d1。33.【~!———EI3-3】(15?)(1)(5?)??????9w 。(???1KT>,EQ#??2?,EQ2??4?,EQ3??5?。IE?#?J3?,????G0?)A.?jè±Y°?á???J,??jè9?Nf?B.i?Ad±????z,La°?+&,?zf?IX)?]|NCi??r??9?±?I6??C.?AU???9xy?Cn`???,?A^_9xy?C??n,w?G????9{|;à79lYD.?r?ü?7G,?r?MàjPà??J,?rZn?#??JE.i?9°?+&G,?r99"Z???!,?r9?±Zn7,??f?GQf?9_Mà7,b?i?9±~#?7。(2)(10?)CPxy?M[\?6?F?Z,GHi±~Gp0,í:?Q°???,P}`[\?\?|NGS。(i)M?}~6CPxy?jê??,???[\?9?Fjê=?,?M?i[`6N?¤?rzN9li??±&?z,?G[\??nxH。GH[\?9stGm,?[\?xHe???F?á?]à9J;(i)6CPxy??Fjê=C?^,Mb_±Z[\?,M?i[`64N?¤?rzN9li??±&?z,hL?h?·_±[\?9b,??·be?[\?98??J。34.【~!———EI3-4】(15?)(1)(5?)WF???,B、CjPw?#??|?9N?U,?jê?×?Z9\]ⅠA\sz?BP?×?W,P?Bpü40cm,BU9?ZF?WF???;?jê?×?Z9\]ⅡA?#\sz?CP?×?W,P?Cpü50cm,CU9?ZF?WF\??。At=0G^,ó?]?G??Q?B、CóU,ó?]9]??G20cm/s,ó?]APUp?,???????9w 。(???1KT>,EQ#??2?,EQ2??4?,EQ3??5?。IE?#?J3?,????G0?)!"#!"!!"#!$%#$&'()*)*%&+,-"!%#!*%#$+'(.$.$%&+,-#A.ó?]9]?±G20cmB.PUG?$U,?]wG10cmC.4.5sGPUA??]^?×??ZD.]?o40cm9^_~6?3P&Z???E.PUG8~U,?]G70cm!!!!"#$%"&'(2)(10?)F?G#?9xyzf,zf~??#?9`?,zfzv#?t9?,Azf~??#??U??,GH?Q&???9V??G43,xyQ&???9V??G1.5,zf~?xy9`?Gd,?9??G2d。?:(i)&???Axyj?z?W9??;(i)?|`?9P`?a9·?(?'?ó?:|?9???K)。35.【??———EI3:~sh9?Ds】(15?)?<,《7h·1b》(NatureCommunications)bc,?`d?e?????t????uAa???d??uq?3??{??z??g?&。tj?d???B~A30、3?z?JKRM。D1???0:(1)???qrdr?8dr??aG 。??A9??z,??9i?v?~?U??9w (???a)。(2)AT§?,VLCO2i?? molπ?。(3)A?、?9??v??(??)z,??r9ò?9XGN?c`9w (??rs>)。(4)duqs]CH3OH9q!:2CO2+4H2OCuSe→?1d2CH3OH+3O2。A&?Rz,??D?9c?D?rw (???a);CH3OH????? 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DNAZ????? *4—*Ey?【23】(1)5b"E&!?So,Sn?967§Z?¨?9????",}?y??={?í67,?oy???9T-DNA???=-&E67,B?v?!&E679CDEDNA?。(2)PCR?LHX!"E???±?DNAz?95n?R??,??X?o7?¨???09^?;??8+?!9":)lDNA、?"、;?v{5wn、?%iDNAP?u(Taqu)。(3))09^?|?&E679Q>BR??,_?Q>B?+?,>?hi9&E67。|?b"679Q>By????>、??>、?9ó??>。(4)09^??0X?wE?Y??~;?¤?pq±?9???09^??0I??&E679CDEDNA?;DNAZ?????r?)?^?!"9^?w?d?é,XdB09^?9DNAz????r?i?y???,?????,???v^?w??,Os??????????)09^?I??&E679CDEDNA?;2a09^??0R??¤?+?*4—*E±è?y?9±S。书!"[#1 $]2020!"#$%&'()*+,-./%&'()*+,-&./-!"#$%&!"14.【01】B【23】456789:;983<=>,?@ABCBDEF,4567G983<=>,H<I@ABCJDEF,KLAMN;O5PQR45OSTJ<@UVWPQ@,KLBXY;Z[EF\βEF<]^?_`5a,b_Z[EFcd945Oe<`5,fβEF_45Og,KLCLMN;n9op5wxyzBp{,|}~@wxk,?EDv5??@G9:;94rsv5?,KLDMN。15.【01】D【23】?????}?k,F=mgsinθ,??????}?k,F′=mgtanθ= Fcosθ,KLDXY。16.【01】A【23】?8?????Wv,?????????,x=12(v0+v)t,??v=8m/s,?|??k?g,?????s=vt=32m,ALXY。17.【01】D【23】¤?R2?§<`¨W槡28Um,???¨???,4F??§<`¨W槡24Um,?????°?§<`¨IW槡24Um,??¨°I1I2=12,I1R1=2I2R2,?R1R2=4,KLDXY。18.【01】B【23】??°|??·??y?F=GMmR2,M=ρ×43πR3,?F=43πGmρR,????°|C?·??y??|??·??y????W41×32=61,KLBXY。19.【01】BC【23】b?h`a?8,a、c?h????}??U??8,????????,a、c?h?lm?k??}?`a,KLAMN、CXY;????????,a?H????,c?Hs???,KLBXY、DMN。20.【01】AC【23】×??1h?D,??Dy?C??,???àá;,KLAXY;???@????mgh=12mv2t-12mv20,2?vt= v20+2槡 gh,S??C??8Gá;,b?}?t?áè(é?uê!"[#2 $]áè),KLBMN;?1t\?1?h,?C??8G\?}?áè,??<ìkà?á;,KLCXY;×??1h?D,???<àí?á;,????,??ta<tb,??P-=Wt??,???à???@?á;,KLDMN。21.【01】BCD【23】òód`??X`,?ó???à,???@?"HWG-W? =12mv2,#t????à÷,?ù`ó??àú,#?????àú,?ù`ó??à÷,??Hv1>v2;òód`???`,?ó??Xà,???@?"HWG+W? =12mv2,#t????à÷,?ó??àú,#?????àú,b`ó??à÷,??H?@ya??@á;,KLAMN、BXY。òód`??X`,?G?|yüa?ét???t?_??<,??¤?G??bya??????{?????,ód`?t???`,KLCXY;?!ód`??X`"_??`,?#`ó??$?}<%?&'G9G????$?}<%?,G??cya(t??????,KLDXY。22.【01】(1)25 (2)C á;()*2%)【23】(1)?+??,,-<.?/7Wk=ΔFΔx= 2.5-0.5(10.0-2.0)×10-2N/m=25N/m。(2)?,-??J0k?DL0,?,-L0+ΔL,5?7??WF!k<1?WL,???89:?:F=k[L-(L0+ΔL)]=k(L-L0)-kΔL=kx-kΔL,??#??;D<F-x+FWKLCh<01KC。+>????·=,-<.?/7,??#????<,-<.?/7?#t?á?á;。23.【01】(1)①?(1%) ②I1(1%) (2)①S2(1%) ②S1(1%) U1I1(2%) U1U2U1I2-U2I1(3%)【23】(1)W4@A?`°,BCéDE|F?§;;GHIJ?`?,KQS2,LM R02`a·O7WI1k,R0W`?(2)??`a·\`¨·?UD`¨·,PQRS?`?,?US?`?,S?KQTUS{,KQTUS2,? DaV`¨·<`a\`¨·<`¨,S?`¨·g?,??WX???:RV=U1I1;?Y`¨·g?,KQS1,OD`¨·\`a·<=7,??WX????,S?`??N:R=U2I2-U2RV=U1U2U1I2-U2I1。24.2:(1)?Z[?ó???[?WB,\5|Z[?óh?Z?]^??,?D\5??<_`¤+S=,??\5_`??]abW240°(1%)!"#$!"!%&!"[#3 $]?:qBv=mv2r(1%)?:r=mvqB(1%)?:T=2πrv(1%)?:T=2πmqB(1%)\5|?óh??:t=240°360°×2πmqB =4πm3qB(2%)(2)?+??,\5??<_cde??W:r=槡33L(2%)fr=mvqBgh?:v=槡3qBL3m (1%)?:Ek=12mv2=q2B2L26m (2%)25.2:(1)?!ij?!ikálé?8GWv0,???@?"HF×12L-μm1gL=12m1v20(1%)??v0=5m/s(1%)?!iBm,?lm,?9j<^UG9k<^U,??lm{!ijno,?lm{j?8GWv1,k?8GWv2,lm???U??、??@???Hm1v0=-m1v1+m2v2(1%)12m1v20=12m1v21+12m2v22(1%)??v1=53m/s(1%),v2=103m/s(1%)(2)?jpqB??Wx1,???@?"Hμm1gx1=12m1v21(1%)??x1=518m(1%)?!ik?stlm{?8GWv3,?Lv2+Lv3=t(1%)??v3=23m/s(1%)?k!ipqB??Wx2,???@?"Hμm2gx2=12m2v23(1%)??x2=245m(1%)??!ipqká??Δx=x1-x2=730m(1%)!"[#4 $](3)lm{,?j??t1,???U?"Hμm1gt1=m1v1(1%)??t1=13s(1%)lm{,k?B?T&PoyB?S?k?t2=2Lv2+2Lv3=3.6s(1%)!ik?B?}???t3,???U?"Hμm2gt3=m2v3(1%)??t3=215s(1%)??jpq{,k"??t=t2+t3-t1=3.4s(2%)33.(1)【01】BCD【23】uv??_6w|xyhzy{\<|}???,?_xy%5?,KLAMN;t?^U<"~y,g@????HU?y?|U,KLBXY;?\??¨??y?HU,??\??|;??j?h,?y??G,?\??¨??,KLCXY;????t?drs?U,2?Y??Wà,b#????,KLDXY;%5?èk?|á????\??,?%5??W?8k?k,??%5???8,%5???8P?G,KLEMN。(2)2:(i)??y|?pCk<¨[Wp0,?y|?p Ak<¨[W pA,????U/??,y|?pAk?W12T0(1%)??"~y?p??HpAV012T0=p0×2V02T0(2%)??pA=12p0(1%)(i)?9y??pAy?pBBm<_;¨?j,???y?e?àW=pAΔV=12p0×(2V0-V0)=12p0V0(2%)y??pA?jy?pBP?jy?pC,yΔU=k(2T0-12T0)=32kT0(2%)?????#t????,ΔU=Q-W(1%)yrsQ=12p0V0+32kT0(1%)34.(1)【01】ABC【23】?+??,??????vB,????vB?%,KLA、B?XY;?v=cn??,??vA|???h???8,KL CXY;?v?????,??v|????·??êBm??E,KLDMN;?9??vA11,?????v??èt??,??vA???Bm?E,KLEMN。(2)2:(i)ò??A?}B???,?|t=0k¤?¤+S=!"[#5 $]!"!#(2%)???U/??,134λ1=L??λ1=47m(1%)?+???,??<^§T=1.2s?????8Gv1=λ1T=1021m/s(2%)(i)ò??B?}A???,?|t=0k¤?¤+S=!"!#(2%)???U/??,114λ2=L??λ2=45m(1%)?????8Gv2=λ2T=23m/s(2%)!"[#6 $]!#14.【01】D【23】?O(23892U)??W?O(20682Pb)?h,h57?G22u,S?KL AMN;21H+31H→42He+10n_O????,23490Th→23491Pa+0-1e_ β????,S?KL BMN;????}?m=mo(12)t/T,23994Pu23994PuV20???"??132g,S?KL CMN;23894U→23492U+42HeWα????,S?KLDXY。15.【01】D【23】???k?Wt,?T&?k?Wv,???Wv′。???@Ek=12mv2?:v′=12v:v′=-12v,?? v′2-v2=-2gx?:v= 8gx槡3,??k?°±:t=v′-v-g,2? t1=2x3槡g:t2=6x槡g,KLDXY。16.【01】A【23】???G?1<^Um。?2??3QDé,G?1、2??·?W??,8G?WF。??89:???$??1<,???1?\F,???U/??1?\F120°,f?9?k?$?G?1<,?·??$?},???????????F=mg,??$?G?1<,?8GWF1=mg。?2??3QD{,G?2<`?U?W-q,??????F=kQqr2?,G?1、2?????8G"_F,·?W??,??89:??$??1<,???1?\F,???U/??1?\F60°,P???????????,?$?G?1<,?8G?WF2 槡=3mg,S? F1?F2=1?槡3,KLAXY。17.【01】D【23】¤?R2?§<`¨W槡28Um,???¨???,4F??§<`¨W槡24Um,?????°?§<`¨IW槡24Um,?`¨°I1I2=12,I1R1=2I2R2,?R1R2=4,KLDXY。18.【01】B【23】òI?I0?}áè,?cn?F?y a、bn?F???W??,%?? ca\ cb?},?Q??}??@?bc???,KLAMN;òI?I0?}á?,?an?F?yc??W??,?}?ca?},?ya??W??,?}?ab?},?Q??}?@?bc???,??@?bc???,KLBXY、CMN;òan?F?y???}?bc???,?c?a??89b?a?,?a8G??°±I>I0,KLDMN。!"[#7 $]19.【01】AD【23】?“??t?”??<_cder\^§T,°±GMmr2=m4π2rT2,2?M=4π2r3GT2,????ρ= M43πR3=3πr3GT2R3,KLAXY;??BKL<9:,???D??^U,?@??DC?<^U???,KLBMN;????DC?<^U?????,KLCMN;?GMmr2=mv2r? v=2πrT,?"? M=v3T2Gπ,C????ρ= M43πR3=v3T2Gπ·34πR3= 3v3T8Gπ2R3,KLDXY。20.【01】AC【23】?MN??k,á?9`d。`?h`??E=BLv,MN<`?á?9`d,?`??<`¨Blv2,?MN?§`¨<8GU=Blv2;P?????,???}???},?a??ó??,???}?W`a?},??NyM,??a?`?<(_?bVRyd,KLAXY、KLBMN;?WX????,?aI=Blv2R,?MN?y??8GF=BIl=B2l2v2R,????????,????}??}?,KLCXY、KLDMN。21.【01】BD【23】????h,G??,-?R???@??,¤?,-á;,F8¨?UkG?|F~?,??W×,F831Uk,|F%?,??IW×,,??@á;,?????@?;,/??@???,KLAMN;,-n9F831Uk,G??ú??@;9,-?H<,??@,?,-?H<,??@Wmgh-45mgh=15mgh,KLBXY;G??,-QD{q???h,?}q????,{????,????<à?P=mgv??8{?G,KLCMN;G??,-QD{q???h,?/??@???:Ek+EP+E′P=?N,G?@??8{?G,??G???@?,-,??@?\??G{?8,KLDXY。22.【01】(1)BCD(2%) (2)1.39(2%) (3)2k(2%)【23】(1)?9?iBS??????°OD,????#?U??A<^U,KLAMN;???à<1át?§?%,??8???_?#???,?W???iB?y?(?&è???4,KLBXY;?iBéê???k°,?Q?`d,PTJG?,?Dt9ì?,èkí???°<=7_?#??<,KLCXY;÷?????<^U,?????<8G,?D?9ì?,??ò????e??j,KLDXY。(2)?/ó????a`?^§W0.02s,f?Wá???7??"H?u?÷H?D,!"[#8 $]???7???t=0.06s,?ú?JΔx=at2?a=(x4+x5+x6)-(x1+x2+x3)9t2=[(3.80+3.30+2.80)-(2.30+1.80+1.30)]×10-29×0.062m/s2=1.39m/s2;(3)?BC4"+??,?iB,????#????a=2Fm,?a-F+>c?,+>?8GWk=2m,S??i<^UWm=2k。23.【01】(1)0.0200(0.0199~0.0201?!%)(1%) (2)¤+S=(2%) B(2%)!!"!#$%!#!&"#$(3)48(47~49?!%)(2%) 7.5×10-7(2%)【23】(1)??"d=0.01×20.0mm=0.200mm=0.0200cm。(2)#Fk?$ó`a·?TUS2_%g<,B!#F¤+S=。W4?GBCN?,?K?&'?%<`a·A1。(3)?+(??,?F??k=29Ω0.60m=48Ω/m。`a·???)ik,R1? R2?§<`¨á;,Rx?R?§<`¨Iá;,*?? R1、R<`aá;,?? R2、Rx<`aIá;,?HR2R1=RxR,??Rx=ρLπ(d2)2,?R=4ρR1πd2R2L,?k=4ρR1πd2R2,2?ρ=7.5×10-7Ω·m。24.2:(1)lmé{ì??a?8G%?Wv1、v2,????@??H:m1gR=12m1v21(1%)-m1gh′=0-12m1v22(1%)?????????:T1-m1g=m1v21R(1%)T2-m1g=m1v22R(1%)gh2?:T1T2=259(2%)!"[#9 $](2)?G?lm??,???U????H:m1v1=-m1v2+m2v32?:v3=3m/s(1%)G?blm{,5??}??A??y??,H:h=12gt2vy=gt2?:t=0.8s,vy=8m/s(1%)???}??bl{|????q?Z???F??,????????H:F=m2a???????,H:vx=v3+at2?:vx=7m/s(1%)?b?Ck?:v= v2x+v2槡 y?b?Ck@:Ek=12m2v2(1%)2?:Ek=226J(2%)25.2:(1)\5T&|`óh?+????。?\5#t???ók?Wv,?v 槡=2v0(1%)???@?"HqEy=12mv2-12mv20(2%)?v0=200m/s(1%)(2)?\5#t?V?x,(x1,0),?x1=v0t1(1%)y=12vyt1(1%)vy=v0(1%)?x1=2y=0.08m(1%)???U/??,\5|?óh?]^??r=槡22x1(1%)????#???HqvB=mv2r(2%)?B=10T(1%)?9\5÷H?y=-b?D,??bbmin=r+槡22r=槡1+225 m(1%)(3)????,\5#????x,<_`¤+。!"[#10 $]!"#$%!"!!"%"&'(#)*+,aN/úWamin=2x1+r-槡22r=槡3+225 m(2%)\5|`óh??t?=3t1=3x1v0=12×10-4s(1%)\5|?óh??t?=2×34×2πmqB =6π×10-4s(2%)????<0k?t=t?+t?=(12+6π)×10-4s(2%)33.(1)【01】ACE【23】12?<34_?*h?5PR4,?t!"??h?%5??、????8,KLAXY;??6%,?\?¨68,KLBMN;?Wxy·?%5???89xyg7%5???,x?%5????·?W??,S?xy·??Hs??,KLCXY;uv????8????94%5???<|6?,KLDMN;?@??t?drs?U?7?c?àf??????j,_???#???,KLEXY。(2)2:(i)?;???%3,=pky¨[W8¨[,?Wp0,?;?kH:p1S+F=p0S(1%)2?p1=0.5×105Pa(1%)?/ó??,y,=p:p0=1.0×105Pa,V0=L0S,T0=300K;(1%)?p:p1=0.5×105Pa,V1=L1S,T0=300K(1%)??óA???:p1V1=p0V0,(1%)?:p1L1S=p0L0S,(1%)IR7?2?:L1=1.2m<1.5m;<>?kB11.2m(1%)(i)?Chy??D%k;}eE?,y?;¨?j?FGH????:V1T0=V2T2,?hV2=HS(2%)?T2=375K(1%)34.(1)【01】ACE【23】t=1.2sk¤,?8r0|x=25mn<^?X|?8r0I?}?J?,??J????,??x,X}??,KLAXY;?j+??,?1W20m,?k+??,??!"[#11 $]^§W1.2s,???v=201.2m/s=503m/s,KLBMN;?9^§W1.2s,??t=0k¤??t=1.2s?áè,?J????,t=0k¤,?P??y,X},?Q??y,??},??^?P?^?QKoy?8r0,KLC、ELXY;P、Q?^???_d?1,??J??}?0_á?,KLDMN。(2)2:(i)¤+,?v|BC??r,??/óHsinr=1n(1%)???U/Hsinr=槡32L(槡32L)2+(12L)槡2=槡32(1%)???E?n=23槡3(1%)!"#$%&'!"?sinr=槡32?:r=60°(1%)???U/?θ=30°(1%)?n=sinαsinθ(1%)?sinα=槡33(1%)(i)???U/,v?E???yCD??s= Lcosθ= 槡233L(1%)v|MNyh???v=cn(1%)???t=sv=snc=4L3c(1%)!"[#12 $]!$14.【01】C【23】??=??W×,??ttde= 1槡2-3,ttcd= 1槡 槡3-2,t′=tcd+tde=( 槡2-2)t。15.【01】A【23】???O<45)P??,?5|?p_c???k?}e?E`??,KLAXY;`5|_c?wxk,???rs:JDt???,I???????B?(¤`5?),KLBMN;?5?eQ_c(%@)wxygQ_c(~@)k,?@?8,b45<@U?G,KLCMN;?5R?45O?Z?]^??,?H“%_、~?、8^§”,?|eQ_c??<^§?|gQ_c??<^§8,KLDMN。16.【01】D【23】a?S|?`??F?TU¤+S=,+hFP=FQ=BIL,θ=30°,???Q? F=2FPcos30° 槡=3BIL,?}5?}?,KLDXY。!"#"#!#! !$17.【01】C【23】!y\át????f=μmg;?9át,#@V??v??,HF=f=μmg;?9!y,????#???μmg=ma,?a=μg;!y?Z???F??,H t=va=vμg,?kát<rEs=vt=v2μg,??}???F?àW=Fs=μmg·v2μg=mv2,KLCXY。18.【01】D【23】C?|12h180°,#2??#??D?|A?,?k???°±34T+nT=12h,?T=484n+3h(n=0、1、2、3…)。?n=0k, §HF8NT=16h,?n<WN?è,?^§?è,bN??16hG,??????^§?èX??^§G,KLAMN;???%3??,?????@)ù12hV?A???t?,KLBMN;??<^§G9èX??<^§,_cdeG9èX??<_cde,??a=GMr2??,????????èX????8,KLCMN;???T=16h,?FGπ8rad/h,KLDXY。19.【01】AC!"[#13 $]【23】?DE?|0~LYZgk,?F[????hHG\]1?6c68,?k?RF?U/,=&(_DE?1?,S?`a?k?AXY、KLBMN;?W_Z???,??F????;N?},?F=B2L2vR ?,?? LR??^7U/,?W? DE?|0~2LYZgk,?F[????hHG\]1??k???Z??{?Z?G,S?F?k?????6c6_{?G?6c6`,KLCXY、KLDMN。20.【01】ACD【23】?t=Lv0,PQ/ó??A、B|`óh?k?áè,KLAXY;???U??;9?????,\5??`ó???,??a=qEm??aAaB=12×41=2,KLCXY;??d=12at2??,A、B?`óFdAdB=aAaB=2,KLBMN;A、B<`?@??U??;9`ó??à??,???@?"??W=q2E2t22m ,S?WAWB=11×422=1,KLDXY。21.【01】AC【23】?i?A??yO??h,?Q???G{?8,?????G{?8,????8{?G,KLAXY、KLBMN;?i?A??yF8?@n,???@?"HW,-mgLsinθ-μmgLcosθ=Ekm-0;?i?A??y?A???WL2L2sinθ-μmgL2cosθ=Ekm′-0;?W,′>12W,,gh2?Ekm′>Ekm2,KL CXY;?i? A??y B??h,,-,??@,?9?i|B?k,,-?n9???p,S?,-,??@EP,KLDMN。22.【01】(1)B(2%) (2)3.0(2%) 0.53(2%)【23】(1)?è?T&BC{a??`¨??°,?`?`aW0k,?¨??°H=7,?W0,?D<U-I+>h,?¨?`a8f?8,bb-.Hc?,de+h?u+>??KLBfQ。(2)?`¨??°d§?Qy`?hc§,?`¨??°?U<_????°?§<`¨,b?9X?QFQ?4,???U<7Nê?W?N,??kWg?N??,??¤+kS=<U-I+>??,?d`??W3.0V,?KQ`?E=U+IR+( )r,?U=2Vk,I=0.095A,?E=2+0.095R+( )r,2?r≈0.53Ω。23.【01】(1)D(3%) (2)D(3%) (3)BD(3%)【23】(1)???k°?Q?a`d。h??@????k,;???<^U??i,???#?U^U,S??#??\??。?????#?á??7?,?#¤?j,KLDfQ/ó。(2)|Ck??@????k,?@?HUgNc????,S?l?v=gt、v2=2gh?????_MN;%??¤?j?Q?U,|????kl?h?k¤?;9?????2。!"[#14 $](3)BC??h??mnC?|??(?¤*??,ì??orp????;),?q???@,?BCN??9/?N?,?@?????G*??\????,?@??÷??U???N,KLB、DXY。24.2:(1)???U/??,\5?rEW2h,5?rEWh?+????}??2h=v0t,h=12at2(1%)???#?????Eq=ma(1%)gh2?E=mv202qh(1%)(2)\5yüO?,?y,X?}<%??vy=at=Eqm·2hv0=v0(1%)????x,X?}vyv0=1,?α=45°(1%)\5?MPMP?R?ó,??9NPED?ó,\5|?óh?v槡=2v0(1%)_cdeR 槡=2h(1%)fBqv=mv2R2?B=mv0qh(2%)(3)?/ó?,?`\5|?óh]^??<^§T=2πRV =2πmqB,?`\5|?óhi??W45°,???k?t=18T=2πmBq·18=πh4v0(3%)25.2:(1)??iA、B?,-%?ì??%?WvA、vBW}?WX?},??U?????mA+m( )B v=mAvA+mBvB(1%)?iA}N???,???@?"?-μmAgs=0-12mAv2A(1%)tFuvì?,-TJ<,??@Ep=12mAv2A+12mBv2B-12 mA+m( )B v2(1%)2?vA=3m/s,vB=-3m/s,Ep=24J。(1%)(2)?iA|w??}???y0{}???y??x?y?,?{??x?}??T。?á???k?WΔt。?iA???8Ga=μg=2.5m/s2(1%)???????-v1=vA-a·Δt(1%)xA=vA+ -v( )12 ·Δt(1%)x?=(-v1)·Δt(1%)?i??x??<á?????s1=xA-x?(1%)!"[#15 $]|á?????hlm??Q=μmAgs1(1%)???z?,IR7??Q=32J。(1%)(3)??iA??=??Wv2,??k?Wt,?x=v2t(1%)h=12gt2(1%)?t=0.4s(1%)ò?x?{k????üy|t}~Nvm,?iA?}?t???,?y??k=??·Wvm?μmAgL=12mAv2m-12mAv2A(1%)2?vm=6m/s(1%)!:(1)ò?x?{k????v2≤vm=6m/s,?A|?x????x?á???{,@??x?@Vyè??,??=??;9v2,??E?x=v2t=0.4v2;(2%)(2)ò?x?{k????v2>vm=6m/s,?A|?x??}?t?????,??=??;9vm=6m/s,??E?x=vmt=2.4m。(2%)33.(1)【01】ABD【23】?\?¨????HU,??\?,KLAXY;y|;¨?j??h,ò???D%,%5??????8,?W¨[??,S??°g)???r???y%5lm??7??G,KLBXY;????·?_???,????·?_??<,|J?R?4,·???_t?<,KLCMN;%5????8k,%5???\????G,b_%5?@?t??G,U?#?%5??Xà"_?à,KLDXY;y<??D%k,??"~ypVT=C,?9y???¤??j,S?y<¨[?t??8,KLEMN。(2)2:(i)??óA??Hp0 N( )+1V=pV(1%)?p= N( )+1p0(1%)??w?%3??mg+ N( )+1p0S=p0S+f(1%)?f=Np0S+mg。(2%)(i)??óA??,Hp0 4N( )+1V=p′V(1%)?p′= 4N( )+1p0(1%)??w<,???#???,H4N( )+1p0S- p0S+f+( )mg=ma(1%)?a=3Np0Sm -2g。(2%)34.(1)【01】ACE!"[#16 $]【23】?h?<^§?_T=1s,?v=λT?,?1λ=vT=0.2×1m=0.2m,KLAXY;PC-PB=50cm-40cm=10cm=0.1m=0.5λ,f t=0k¤???[,J?;9??J??\,?W70cm,KLBMN、KLEXY;??C?yPt=PCv=0.50.2s=2.5s,??B?yPPBv=0.40.2s=2s,|t=2.5sk¤,??Ⅰ???Ⅱ????, ?PV??8}q??,|t=4.5sk¤,V?4?u^§, ?V??8}q??,KLCXY;??1W20cm,????y40cm?!??êBmN??E?>,KLDMN。(2)2:(i)?v=cn?v|?h?v′=3c4(2%)v|??h?v″=2c3(2%)(i)?Dv?+,¤+S=!!!!"#$%"&'!##v·?|?\*<%~?Bm??Ek,HsinC=1n1=34(1%)|????<%~??,?sinCsinθ=n2n1(2%)?sinθ=23(1%)?v?r=dtanθ+2dtanC=(槡255 +槡677)d(2%)!"[#17 $]!%14.【01】A【23】?|??,?kA、B?|}??Z???,?A、B?????\?V???,???}÷He?,???}??????,èkA、B?I÷H,???。15.【01】D【23】(*h?u;U???`?#F,?φ′=φ=0;?ó[??4"??E=2kQr2,E′=2k Q(r2)2=8kQr2,E′=4E。16.【01】D【23】??B?Wt?y,?y·???,??R?????vR?,HGMm′r2=m′v2r,?M=v2rG,KLA、B?MN;???<deWR,?/ó?#°±2GM槡R>c,?HR<2GMc2=2v2rc2,KLCMN、KLDXY。17.【01】C【23】?opwxrs<@U/úW-13.622eV-(-13.6)eV=10.2eV????opwxyn9#?@,KLA、D?MN;tu45n9n=4,F÷??BD3?v5(4-3,3-2,2-1),KLBMN;#?Bm?:?>kB45lm?é?FG,??45?BmY??,?lm,??@F÷,?opwxy#tzBp,KLCXY。18.【01】C【23】G?A?????,??????}?Hx=v1t,y=12gt2,fHtan30°=yx,?v1=槡32gt。G?B·????|???,?Htan30°=v2vy=v2gt,?v2=槡33gt。????v1?v2=3?2。!"#$"!%"#!"#!!"$"$%"#!"#!""$19.【01】AC【23】?+??,0~4hk?g,j??Z???F??,KLAXY;0~1hg,j<=??vj=40km/h,???aj=-10km/h2,k<=??vk=60km/h,???ak=-40km/h2,?!"[#18 $]j、k??á?kSV?t,?vkt+12ak t2=vjt+12aj t2+5,2?t1=13h,t2=1h;?+>??,1h~3hg,j、k??rEá;,3hkj、k??P?á?;3h~4hg,k?|j?é?,?Pá?,KLBMN、KLCXY;3h~4hg,xj2=12(10+0)×1km=5km,xk2=12(20+0)×1km=10km,k???j?5km,KLDMN。20.【01】BD【23】???????,???ab?`a}_b→a,?N b§`?? a§~,KL AMN;?@U??????ab?ù????<à;9`?R\????lm,KLBXY;??U?"-BILΔt=0-mv0,?u??h??`?UIΔt=E2RΔt,f E=ΔΦΔt=BLxΔt,gh?IΔt=BLx2R,???2mv0RB2L2,KLCMN、KLDXY。21.【01】BC【23】?iA??yP?k,??9$}???8,Q?W×;?$5?},??H?$}q<%?mgsin53°,????#???Hmgsin53°=ma,?a=gsin53°,KLAMN;?iA?O???yP??h,?5???iA?Xà,???@??,KLBXY;$????}R53°,+hl=Lsin53°=83m,S??iA??yP?k,?iAq?<%?h=xOPsin53°=Lcos53°sin53°=103×35×45m=85m,!i Bq?<%? H=103m-83m=23m,??iAyüP?k,!iB?W×,??u!y?R?W?ò?>,???@?????MgH+mgh=12mv2,?v 槡=52m/s,KLCXY、KLDMN。22.【01】(1)1.060(2%) (2)?v9??v`¤t、v`¤yC??s(2%)(3)d22gst2(2%)【23】(1)d=10mm+12×0.05mm=10.60mm=1.060cm。(2)?#?c!i??v`¤k?,S??#?U?v9??v`¤t,?#?U!i??v`¤?{??,S??#?U!i??v`¤?{???,?v`¤yC??s。(3)??Z???F??}?Hv2=2μgs,?hv=dt,?μ=d22gst2。23.【01】(1)d)(1%) ;GIH(1%) (2)B(1%) (3)①#Q`?h??????°?P?09a§(2%) ②`???N|?Ué??092kΩ??(2%) (4)89!"[#19 $](1%) R1(1%)【23】(1)A、B?rè?%?§?4?è<`a·g?,Aè?§?<_d)J,Bè?§?<_;GHIJ。(2)Bè?1@?¨YC?D`a·g?。?WAè?1h,LM`??`?N,2!·`aWIg2k,?9e`?0`??8,??°?D<`¨?8,?`a·?`??%g<0`¨?8,???<`¨?89`a·<`¨,??%g`?%3S???,?UN?89`a·g?(BN。Bè?§?;GHI,÷H/?N?。(3)Bè?:①TUKQé,??????°?P?09a§,2TUKQ{`?h?D`¨?FGN?8T&LM,??`a?8,??`a·;②`???N|?Ué??092kΩ??。(4)??%3??,Aè??1h,S?y<`a·g??UN89`a·g?(BN。WLM??,??°<0`??K?R1。24.2:(1)G?|?°?}F1?q?]^??,?}a???HF1=mω20R。(2%)(2)?G??°±?D]?k?Wv1,????Uv21=(ω1R)2+v2(2%)?|???h,-?G??àWW,H?@?"HW1+W=12mv21-12mω21(R-x)2(2%)?hW=Ep2?W1=12m(ω21R2+v2)-12mω21(R-x)2-Ep。(1%)(3)?G??°?}?`}gE??Wx1k,?}a???HF-kx1=mω22(R-x1)(1%)?F=mω22R+(k-mω22)x1(1%)?9F<8G??,?x1|U,?Hk=mω22(1%)F=mω22R(1%)S????<àW2=mω22Rx。(1%)25.2:(1)\5|???[?WBqvB=mv2r(2%)2?r=mvqB(1%)!"[#20 $]?W\5??H??,?v1= 槡23qBd3m ,v2=2qBdmS?R1= 槡233d,R2=2d。(2%)(2)|t??<\5??<_`=ó¤+S=! !""#$???U/???Wv1<\5EDx=2d?~k<-.Wy1=2R1- R21-d槡( )2 = 槡233d(3%)??Wv2<\5EDx=2d?~k<-.Wy2=2R2- R22-d槡( )2 = 槡( )4-23d(3%)S?Δy=y1-y2= 槡833( )-4d。(3%)(3)?u\5_`¤+hBFS=,?ó?~¤+h,??2??x=2d?~ED<?·\5F'??Rt·,I??y,X?}??。(6%)!!""#$"#!!"#$%&!'()*+!#$,--.33.(1)【01】(1)a(1%) ÷(2%) 120(2%)【23】??pVT=C(CW?U)??,?pa??F~,S??<%5???@FG;b、c??áè,b<¨[?c<8,??¨[b?ph?°??r???rk?g?yy%5m?7?÷;V?ca??,e~?y?<àW=pΔV=100J,?????#t??ΔU=Q+W??Q=120J。(2)2:T&k,?C?7%yy?WV2,? [W p0;q7%yy?WV2,? [W p0+mgS。(1%)!"[#21 $]{c,?C?7%yy?W9V10,?¨[Wp;q7%yy?WV10,? [Wp+mgS。(1%)?R<*0y?WV10×49,? [Wp0??7%y,??óA??Hp0·V2+p0·49V10=p·9V10(3%)?q7%y,??óA??H(p0+mgS)·V2=(p+mgS)·V10(3%)2?m=p0S4g。(2%)34.(1)【01】?(2%) y=0.4sin(2.5πt+π)(m)(3%)【23】?+???1λ=4m,V0.2s}é???s=vt=1m=14λ,????x,??}??;?v=λf?,f=vλ=1.25Hz;?y=Asin(ωt+φ0),??x=2mn<^?y=0.4sin(2.5πt+π)(m)。(2)2:v?¤+S=!"#$%&'()!)*+(i)vFyüAC?<Q?,REbWi、?EbWr,?/ó?i+r+90°=180°(1%)i=30°(1%)??E??Hn=sinrsini(1%)2?n 槡=3(:1.73)。(1%)(i)vF?EyAB?<M?,REbi′=60°?Wsini′=槡32>1n,S?v|M?Bm??E?êED×??(2%)vF?EyBC?<N?,·???9BC?#??ED×??PQ=dtan30°=槡33d,QM=2PQ,MN=(Lsin30°-2d) 槡cos30°=3(L-d)v|??h???v=cn(1%)?v?P?ERy#??ED×??V?t,?HPQ+QM+MN=vt(2%)?t=3Lc。(1%)!"[#22 $]!&14.【01】C【23】?9??F<97??,???i???h,?????U??,KLAMN;????????,?a?D?aD,a}C?,????`?R<`a?}}?,KLBMN;]??R|7????R,i???h\]??F?R`a,|?óh<)t9???????????,S?uT`?S,]????i?,KLCXY、KLDMN。15.【01】A【23】5\α\5|?óh?Z?]^??,???????}a?,? qvB=mv2r??@Ek=12mv2=q2r2B22m ,?EkHEkα=q2HmαmHq2α=1?1。16.【01】B【23】????imgcos30°=槡32mg,KL AMN;?in9?8?p,??????bW120°,?????Q?Wmg,????i?????\??Q?;8?},?????i??8GWmg,KLBXY;??F=mg=mgsin30°+μmgcos30°,2? μ=槡33,KLCMN;??i\??槡32mg,KLDMN。17.【01】C【23】??B?Wt?y,?y·??,???·?<|t^UWmGMmR2=mg,fHMR=c22G,gh2?g=c22R,IR7???????<7UW1012m/s2,KLCXY。18.【01】D【23】?`?I=PU=4024A=1.67A,KLAMN;t?LED?<à?W40W,)???2??10Gk?,)???<`@?WW=Pt=40W×10h=400W·h=0.40kW·h,KLBMN;??@`?t?v@ijW`@<à?P=P0S×15%=1.0×103×1×15% W=150W,KLCMN;??`?Y??°`,????@`?t?7?9??`??`,?@UE=(1-0.2)qU=0.8×300×24W·h=5760W·h,f??@`?<(?2t????E)à?W150W,?k?t=5760150h=38.4h,KLDXY。19.【01】BD【23】ò??8???vRE<[?,?9)uv5<@U??,??v`5!"[#23 $]?,b?rk?gED,??v`a?8,KLAMN;?Dà????×A???,?_?Hv?|U,KLBXY;Bmv`G???#k???,?#REv?89[o????,KLCMN;ò????°???E,?`¨·S%?<`¨?G,?`¨_?}`¨,??`¨?Gk,v`5???yüA[?R`a,?a·=7??8,KLDXY。20.【01】ACD【23】P?<ó[Ep=kQ1(2L)2-kQ2L2=0,KLAXY;?P?<ó[W×,?P???,E1>E2,? óF}?,?{?`óF`??~??φb>φc,?b、c?ó[,KLBMN;P???E2>E1,? óF}?,? P?`?%9 a?,ò?t??`?+q?a??x,E/P?,??`?@??,KLCXY;ò?t??`?-q?a?>?TJ,?`???aP}?????,yüP?{?y}?<`ó??????,???V?P?k?@F8,KLDXY。21.【01】CD【23】G?A、B、C、D、E?R???@??b5??U???,KLAMN;?9G?D???8,G?D|?u??h?ê?,S??$DB?G?B??à,f?$BE?G?B?W?V?{W??,???à{?Xà,S?G?B?@??G{??,KLBMN;BE???$?}??á;,?G?B?CkG?E?;9×,??à@U/mgh=12mv2??G?B?W2槡gh,KLCXY;?G?A?@FGk,?$AC÷H?,G?C5??}??8,S??V?;9??,KLDXY。22.【01】(1)8(1%) ?à(1%) (2)R-1I(1%) ¤+áS=(1%) (3)1.0(1%) 89(1%)【23】(1)G`??,W4@A`?h=°:?,F=#?`??LyF8;?`??,???。?k,???(?_?`?4,S?#?i5?à,???i?。(2)ò#l?+>^??áU,?#?|?u?U?RF??,???F。?`d<`??WE,????WR0,?WX??HE=I(R+R0),???"<R=EI-R0,????D,R\1IR???U/。/h!D<-.?5,B??,??20G?,PQ·h<Rè<7?,b,?)G?I·1Ω??·?,è??·?h<7????é|-./h,??ê?#QRt9?F,¤+áS=。!"[#24 $]!!" # $ % &&"!"&#!"!'()""'!(3)?+h(-1,0)??。?-1=-R0,2?`??ò`dHg?r,?WX???jWR=EI-R0-r,B??+h??g?(1-r),???UN)8。23.【01】(1)(dt2)2-(dt1)22h (3%) (2)X?(1%) (3)0.44(3%) (4);9(2%)【23】(1)!iA??v`¤C、Dk?%?WvC=dt1,vD=dt2,?CyD??,?Z???F??}?Hv2D-v2C=2ah,????a=(dt2)2-(dt1)22h 。(2)?A、B?!y\10uG???R?W?ò?>,???#????2nmg=(10m+2M)a,?+=+>??,!y????S?。(3)???#????a= 2mg10m+2Mn,?+= a-n+>??,+>? k=2mg10m+2M=1.005 =0.2,2?M=0.44kg。(4)òH??f,???#????2nmg-f=(10m+2M)a,???a= 2mg10m+2Mn-f10m+2M,+>?????f,S?!i^UM。24.2:(1)?|acr0k??`??F8Em=BLv(2%)??`aF8Im=EmR(2%)IR7N,??Im=0.4A(2%)(2)???/OacYZ,?x≤0.2mk,HG1?L1=2x(1%)!"[#25 $]???/acbYZ,?0.2m<x≤0.4mk,HG1?L1=2(0.4-x)(1%)??`??E=BLv(1%)??`ai=ER(1%)?i=2xA(0≤x≤0.2m)(0.8-2x)A(0.2m<x≤0.4m{ )(2%)25.2:(1)?i?A???yB??,???@?"HFd=12m1v2(2%)IR7?2?v=6m/s(1%)G?yüP?k,??¤+S=!!"#$!%!?qE=m2gtanθ(2%)2?E=7.5×104N/C(1%)(2)G?S????`ó?G;=m2gcosθ(1%)G?yüP?k,???#???HG;=m2v2Pr(1%)IR7??vP=2.5m/s(1%)?i?G?Bm,?Xl,?l{?i、G??8G%?Wv1、v2,?}??}WX?},??U?????m1v=m1v1+m2v2(1%)?@U???12m1v2=12m1v21+12m2v22(1%)ghIIR7??v1=-2m/s(“-”·=v1}??}?),v2=4m/s(1%)G?l{??yP??,??@?"HqE(x-rsinθ)-m2g(r+rcosθ)=12m2v2P-12m2v22 (2%)IR7??x=0.85m(1%)(3)G??P??D???}?Z????,HL-rsinθ=vPcosθt-12qEm2t2(2%)5??}?Z????,Hr+rcosθ=vPsinθt+12gt2(2%)ghIIR7??L=0.5625m(1%)33.(1)【01】(i)3T0(2%) (i)2kT0+6p0V0(3%)【23】(i)?pa??pd?[á;,HVaTa=VdTd!"[#26 $]?Td=3T0。(i)?/ó??Ua=kT0,Ud=3kT0????#t??,HUd-Ua=Q+W?hW=-3p0(Vc-Vb)gh??Q=2kT0+6p0V0。(2)2:(i)?、??ì?í%??Δh?W5cm,?p1=p0-ρgH=60cmHg(1%)p2=p0-ρgΔh=70cmHg(1%)??"~y?p??Hp1h0T1S=p2h′T2S(1%)?hT1=300K,h′=55cm,h0=50cm?T2=385K,t=T2-273=112℃(2%)(i)?K??*BW?ò?>,Hp1h0=p3h″?p3=p1h0h″=100cmHg(1%)???*B1??W30cmk,???í?q?4h2=20cmPK??*BW?ò?>,???;h?=9cm+50cm+15cm=74cm(1%)?;xk,??*B¨[p4=p3+55cmHg=155cmHg*B%?h4=74cm-x+20cm(1%)???óA??Hp0h?S=p4h4S(1%)2?x=58.2cm(1%)34.(1)【01】BDE【23】?9??????^??,¤?Jdp?J?,|?^h??,KLAMN;?????v?E??,????,?Ev161,?E?>6??,KLBXY;??v_A?v,??)J?{,v<[??G;?òv_`??,??????;9v?,ó?“B?”h??_??,?÷????è,KLCMN;??ùúU9`?ó:?j<`ólm?ó\?j,KLDXY;??÷?üG?,??,?A???/?|ê=>BD>?kBv11,?c=λf,?Qs??G,???N??/X|???÷fi,KLEXY。(2)2:(i)?v·V?E{yüg???B?,¤+?/ó?,REbi=45°,?Ebr=∠BAO(1%)???U/Hsinr=0.5(1%)!"[#27 $]!"#$!#%??E??Hn=sinisinr(1%)IR7?2?n 槡=2(1%)(i)?|A?i′k,v·V?E{yüg???C?,I|C?·Bm??E,?v·|g???!"#!"$!%&?sin∠ACD=1nIR7??∠ACD=45°(1%)?△ACO,?X!?"Hsin(180°-∠ACD)AO =sin∠CAOCO (1%)?hAO=2R,CO=R2?sin∠CAO=sin∠ACD2 =槡24(1%)??E??Hn= sini′sin∠CAO(1%)2?sini′=0.5,??ki′=30°(2%)!"[#28 $]!'14.【01】D【23】?+P"??,8G#à,KLAMN;8G#àé#à$Q??,a、b??,b_?}?è,KLBMN;a、c??è,i?,b??á;,?ωa=ωc,f*va=vb,ra>rb,??v=ωr??ωa<ωb,???yωc<ωb,KLCMN;?9 ωa=ωc、ra>rc,??a=ω2r??aa>ac;?9va=vb,ra>rb,??a=v2r??aa<ab,??b?<}a???F8,KLDXY。15.【01】D【23】??°?+????,|??=???}??}<%??8G?k?RX?,?v⊥ =at;Q??<8GWv= v20+v2槡 ⊥ = v20+( )at槡2,?Q??<8G?k??RX?,KLAMN;??=???}??6c68,????????,KLBMN;??_.U,?rk?g??8G,PQQ??<8Gv= v20+v2槡 ⊥ = v20+( )at槡2,????°?rk?g???j<,KLCMN;???U?",??????k,|?rk?g?U<%U,KLDXY。16.【01】B【23】q45op<@UE1=-13.6eV,??êq45?@BDv5@UW-0.96E1,?wxyF%@@UE=0.04E1=-0.54eV,?n|n=5@;??FG17.【01】C【23】|??????q?]^??,???}????}??,S??@|P1、P3r0。¤????ì?}?,?????????}áè,Q??8,}a??8,????8<C??_,S?|P3?&??ó;¤????ì?}e??G,}a??G,?|??G,|P1r0&??ó。18.【01】C【23】?+>??,át??2s{?TG!i,KLAMN;?+>??,0~2sgátEx=2×12 m=1m,S?L=2x=2m,KLBMN;|2~3s,?+>??a2=ΔvΔt=4m/s2,fa2=F-μ2m2gm2,2? μ2=0.5,KL CXY;| 0~2s,?G!i,H F?+Tsin37°=m1g,Tcos37°=f1,ff1=μ1F?,1áta1=ΔvΔt=0.5m/s2,a1=F-f1-μ2(m2g+F?)m2,gh2? μ1=819,KLDMN。19.【01】AD【23】sr?2?'y1,±F?(7?ú,??D`¨?G,????§<`¨?G,)*<!"[#29 $]i??`,KLAXY;sr?3?'y2,±F?(7?ú,?D`¨?G,?D`a?G,???¨°`a<+?U/??,4F?<`a?G,KLBMN;K?sr3k,±F?(7W1000,??`¨\(7,±F?110V,?`???§`¨W110V,KLCMN;K?sr4k,±F?(7W2000,?`???§`¨HGNW220V,???P=110W,?`aI=PU=0.5A,? ??g????<à?Pr=I2r=2.5W,?`??107.5W,KLDXY。20.【01】BD【23】??C= εS4kπd??,?`?^,R[t?6-,??°`?68,KLAMN;???°????????k,????#?????,,?8G??,??^á?`?°?,?`?°`???,??[<`¨??,?`?°<`U??,??`?h÷H`a,KLBXY;ò??°4c}?Z???,.???k,Ui?/?,?01}???,?f¨?,-,KLCMN;???°?>?.?}???ì?,Uá???°#}???,?q,R[t?`?^?-,??`?ê?8,?9`¨??,??Q=CU??,[t?<`U?8,??°n9?`?p,KLDXY。21.【01】CD【23】cd?"ayü,F[h?`aW×,bc、d?????|`??,*c?`?%9d?`?,KLAMN;?F[??W×k,Hmg=2BIl=4B2L2vR ,? v=mgR4B2L2,KLBMN;??q=ΔΦR??F[?>?TJy?????W×,??F[?c?<`?UWBL2R,KLCXY;ò=&kcd??F[?W12L,??>?TJy?????W×?t??,??@U??HmgL=12mv2+Q,?Q=mgL-m3g2R232B4L4,KLDXY。22.【01】(1)A(2%) (2)4.55(2%) (3)14kf2(s3-s1)2(2%)【23】(1)W4í?Y??,????T2?3PTJ4?,KLAXY。(2)5.?jD=45mm+5×0.1mm=45.5mm=4.55cm。(3)yA??vA=s3-s12T =s3-s( )1 f2 ,???6U/??,y A?ks3-s( )1 f2 ,?WG?q?B?%?Hs2=Dd=k,IRmgH=12mv2??2gs2=14kf2 s3-s( )12。23.【01】(1)B(2%) (2)¤+S=(2%) (3)?8(1%) ?"`????"??f?8(2%) (4)0.57(2%)!"[#30 $]!"#!"$!"【23】(1)]BC#??7?§<`¨?×ú8?8,????°?§?%¨QJ;?9?7g?Rx=U2P≈320.8=11.25Ω,R2x≈121<RA·RV=1×3000,???§?`a·eQJ,K? B`?。(2)BC`?K?`a·+????°<%¨?,B!#F¤+S=。(3)I-U+>h)u?<]F??·=`?<97,?????`¨;4?_?"`?????。(4)?+kO??7<`aI=0.26A,U≈2.2V,??724.2:(1)?:??A??y??,Hh=12gt2(1%)v2=2gh(1%)?:?TJ/lmS?t=0.6s(2%)?:lé?v=6m/s(2%)(2)?{?:?á;BmY??,?lm??U????Hm1v= m1+m( )2 vy(2%)F{?:?á;t?}q??/>???@?"?m1+m( )2 gL-fL=0-12 m1+m( )2 v2y(2%)IR7??f=10200N(2%)25.2:(1)?@U???Ep=123mv21(1%)1、2G?lm???U???3mv1=3mv1′+mv2(2%)1、2G?????@???123mv21=123mv1′2+12mv22(2%)gh2?v2=3gs槡2(1%)(2)?/ó?FQ= (mg)2+(qE)槡2=54mg(2%)?DEF_cdeWR,?|E?G?üy;GF%?,?9G?·?@??DEF_c??,?|E?H54mg=mv2ER(2%)!"[#31 $]???@?"?-54mg·(R-Rsin53°)=12mv2E-12mv2B(2%)2?R=67s(2% )(3)¤+,??F?\F????BC?F,?α=53°!!!"!#$!"#$%&'# ($)*!+?WmgqE=43,?G?S?Q?}????}?bR53°?|F?G????}?Q??}yF,G???F??(1%).???U/?LBC=R+Rcos53°=167s(2%)?B?yC????@?"HmgLBC=12mv2C-12mv2B(2%)2?vC=85gs槡14(1%)33.(1)【01】CDE【23】uv??_6w|xyhzy?\<|}???,_?8Uxy%5m??R<,_xy%5|}?????,KLAMN;?5zR,S?1kg0℃1kg0℃<,KLBMN;?=|????°g<y,ò??D%,%5<|}????@??,?y%5?°??r????????8,KLCXY;?/???e~rs*V?±>1,?g7z7%?p@U?êáè,KLDXY;??y?Hz}è?,??y?zu?},KLEXY。(2)2:?e~8¨Wp0,b}?E?x?A,HpA1=p0,VA1=LASa(1%)pA2=p,VA2=(LA-d)Sa+xSb(1%)?9_;??j,??óA??Hpa1Va1=pa2Va2(2%)?B,HpB1=p0,VB1=LBSb(1%)pB2=p,VB2=(LB-x)Sb(1%)?9_;??j,??óA??HpB1VB1=pB2VB2(2%)gh??z???x=43d(2%)34.(1)【01】ACE【23】??/ó??,?<^§W0.2s,t=0k¤e???8r0T&}???@??,V?t=0.25s,e?#??yüF%?。t=0.55sk,x,??e?6.0m<|^?#??yüF%!"[#32 $]?,??^?e??{0.3s(tud^§),?32λ=6m,S??1 λ=4m,?? v=20m/s,KLAXY、KLBMN;??<^§T=0.2s,{t^??ét^?A0.05s=T4,T&J?,??á?^???;9λ4,?W1m,KLCXY;?Wc、dá??%?t?1,S??c?|?8r0}?J?k,d?r9?B,KLDMN;g??b?KJ??%?t^§,÷JtuJ?,??b?V??W12cmk,g?V??W16cm,KLEXY。(2)2:(i)???U/?,?D??REAC??60°?Wsin60°=槡32>1n=槡33,S?vF|AC??Bm??E,VBC??E{ED,??·??v。!"#!$%&'(???U/?DF=L5tan60°=槡3L5(1%)FG=L-L( )5cos30°=槡83L15 (1%)GH= 槡43L15 (1%)vF|×??h???v=cn(1%)v?D?REy?AC?DESV?t=DF+FG+GHv (1%)2?t=3Lc(1%)(i)?·vFER×??k??d1=AE-AD=L5(1%)?·vF|???h??kt?@V??U/,VAC??E{?d2=d1cos60°sin30°=L5(1%)VBC??E{?d3=d2sin60°sin60°=L5(1%)??·vF?AC?L5(1%) 展开更多...... 收起↑ 资源列表 2020模拟卷化学·答案.pdf 2020模拟卷物理·答案.pdf 2020模拟卷理综·试卷.pdf 2020模拟卷生物·答案.pdf