2019高考化学真题变式卷

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2018ὃᓄ⚪ᔁᔁ⚗1.ᔁὃḄஹὃᑏᙠ⚪ᓱ$஺2.'⌱)⚪*⌱+,⚪ᫀ.ᵨ012⚪ᓱ$34⚪5Ḅᫀ᪗78᝞◤ᦋ<,ᵨ>?@AB.C⌱7ᐸEᫀ᪗஺'F⌱)⚪*ᫀᑏᙠ⚪ᓱ$ᑏᙠGHᔁ$Iᦔ஺3.ὃHLM.GHᔁN⚪ᓱOPQ'஺RSᵨᑮḄU3VWXYH—1Li—7C—12N—140—16Na—23Al—27P—31S—32Cl—35.5Fe—56Cu—64Ba—137nIᔁp⌱)⚪ᐳ42ᑖsOஹ⌱)⚪pGᜧ⚪ᐳ7,⚪+,⚪6ᑖᐳ42ᑖ஺ᙠ+,⚪uḄvw⌱⚗xyᨵO⚗{|ᔠ⚪5⌕Ḅs1.G₝5xᨵOᱥ“☘”஺ᘤḆᨵ☘ᓽ{ᜧὅᓽ☘஺☘ᑣ{ᘤ$⁐ὅᵨ஺**¡ᑴ£ᦈ᧼A¦஺.ὅḄ§4Vᳮ©A.᪆«ῖ⇨B.ᔾ¯ῖ⇨C.ᓄ±ῖ⇨D.³ᣚ§4ூᫀ௃Bூ·᪆௃ᙠ¸x¹*º»³¼½¸x¯¸ஹ¾¯ᓄ¿ஹÀ§4ᡂÂÿ⏚CuMOlDKO”ȧ4©2CU+02+1Ms+C02=CU2p0Us2C03,ᡠ§4Vᳮ©ᓄ±ῖ⇨ᫀ⌱C஺2.ÍÎ⏚ÏpKFeOs{OÐÑÒḄᩭÀᜐᳮᑺEḄឋXN×ᵨ{A.ᨵدᓄឋRÙÚᩔÜÝVÞᱥSᔾ▬ÀxᩖXB.ᨵØÝVឋRÙÚᩔܯᓄÞᱥSᔾ▬ÀxᩖXC.ᨵدᓄឋSᔾ▬ÀxᩖXÝVÞᱥSÙÚᩔÜD.ᨵØÝVឋSᔾ▬ÀxᩖX¯ᓄÞᱥSÙÚᩔÜூᫀ௃Aூ·᪆௃ÍÎ⏚ÏᐹᨵدᓄឋRᩔÜÙÚ஺â*ᡂḄÝVÞᱥÎãWᙠäåxSÀ·ᡂ«¯ᓄÎæçᔾ▬ÀxḄèéᱥêëìíḄᫀ⌱A஺ὃîὃïᱥXḄឋX½4ᵨðñ¯ᓄÝV§4Ḅᳮò஺3.óᑡõö÷×Søùᑮõö5ḄḄ{A.õöúûᵨüজᡠþÿᦈS0?1

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⏚,Wpqrs]tuḄᨵAᱥspq]^ᱥᦑA┯w$B.M12yC1ᙳᙠᵬ|)ᨵ1dᙳᙠ}~)ᨵஹஹᨵ2+3+1=6d1yC1ᙠᵬ|ஹ1yC1ᙠ}~)ᨵ3dᐳ10dᦑB┯w$C.ᾦឋᩩSḄḂᓄᑣWsXᾦsgḂᓄᦑC┯w$D.MஹNஹWᙳ}~ᙳ2jᡂᙠᓄᑺᩩS}~)H2kbᦑD"#$ᦑ⌱D஺6.aஹbஹcஹddᕜᐗ¡ᙠᕜ⊤1£᝞¤¥ᡠ§SᑡVQ"#ḄXA.aஹc¨ᐗ¡Ḅᨬª"«¬£®B.dḄ¯°±ᦪs2gXbḄ¯°±ᦪḄ3³C.cḄᨬª«´ᓄᱥḄᓄᱥ2IqdḄᨬª«´ᓄᱥḄᓄᱥD.µcᐗ¡ᨬª«´ᓄᱥḄᓄᱥX¶⏚ᑣdᐗ¡Ḅᓫ¹ᐹᨵ¶´ᓄឋூmᫀ௃Dூ᪆௃µaX´ᐗ¡ᑣcX»ᐗ¡ᨬª"«s£®ᦑA┯w$µbXBeᐗ¡ᑣdXMgᐗ¡,dḄ¯°±ᦪXbḄ¯°±ᦪḄ3³ᦑB┯w$µcḄᨬª«´ᓄᱥḄᓄᱥX´ᓄ¾ᑣdḄᨬª«´ᓄᱥḄᓄᱥXấ⏚´ᓄ¾ÀIqấ⏚ᦑC┯w$µcᐗ¡ᨬª«´ᓄᱥḄᓄᱥX¶⏚ᑣcXS,dXaᐗ¡aᐹᨵ¶´ᓄឋᦑD"#஺7.t࠷AgX(X=ClஹBr)ḄIÉÊc(Ag)c(X)Ḅ£\ᐵ^᝞S¥ᡠ§,ᐸ1AÌ⊤§AgCl,BÌ⊤§AgBr,Íp(Ag')=-Igc(Ag'),p(X)=—lgc(X)஺SᑡVQ"#ḄXA.cÒ2⊤§AgClḄs⛳IÔB.bÒḄAgClIÔjᐭAgN0T,ᨔ×23ØᡂaÒC.t࠷AgCl(s)+Br(aq)=^AgBr(s)+Cl(aq)Ü⊝FᦪK=103

3D.t࠷kaÒḄAgClIÔbÒAgBrIÔ®×Êßᔠà᪆5AgBráâூmᫀ௃Dூ᪆௃᪷(¥§AaᓄãIÔ1p(Ag')p(Cl)Ḅᐵ^äÌÌ)å¬ÒᙳaᓄãḄ⛳IÔ᝞aÒp(Ag*)=—Ige(Ag')=5,ᑣc(Ag,)=105mol/L,p(Cl)=—Ige(Cl)=5,ᑣc(Cl)=10'mol/L,ᑣKp(AgCl)=c(Ag+)Xc(Cr)=10-5X10-5=10,0,]ᳮK(AgBr)=c(AgOc(Br)=10-7X107=10H.SspA.cÒ,c(Ag)=101mol/L,c(C,D=10'mol/L,í1(T'X10஺ïð(AgCl)=10‘°,VóXAgClḄô⛳IÔᦑA┯w$B.bÒḄAgClIÔjᐭAgNO,ᨔ×c(Ag')õᜧ÷c(Cl)|øsØ,sgØᡂaÒ,ᦑB┯w$C.t࠷AgCl(s)+Brù(aq)AgBr(s)+Cù(aq)Ü⊝cfCr)K^CAgCl)Qi஺FᦪK=-~——ù——=10",ᦑC┯w$D.t࠷kaÒḄAgClIÔbÒAgBrc(Br')&p(AgBr)w14ᔠc(Ag*)=-X101mol/L+-X107mol/L«-X10mol/L,c(Br)=-X107mol/L,2222ᑣc(Ag*)c(Br)=lxi0'x1>10%ᨵAgBr+,-ᡂᦑD123ᦑ⌱I)஺227IIᔁ(9⌱:⚪ᐳ58ᑖ)@ஹ9⌱:⚪(ᒹCDὃ⚪F⌱ὃ⚪GHᑖ஺78ஹ9ஹ10⚪JDὃ⚪KLM⚪ὃ-NDOPQ஺711ஹ12ஹ13⚪J⌱ὃ⚪ὃ-S⌱T⚪PQ஺᝞VWXᑣᢥᡠXḄ7T⚪\ᑖ஺)8.(14ᑖ)^_`⏚╅cᵨe-fᱛhஹijFᓄᝢmᓄn_J4Mge•Mg(0H)•5H஺2s^_`⏚╅᪵muvᨵSiOzᩖ{J|}ᐸsᐶ\᝞LᫀᫀIT}{Ḅ᪵m⏚ᐙᑖ|}-ᡂC02Ḅ{\஺(1)u-Ḅᓄn_J஺(2)ᘤḄ¡J(¢£c¤¥¦§ᵨ)a~,ªḄPᵨ«஺(3)¬᪵mᐙᑖ®᠒ᐭ±²Ḅ³Ḅ«஺ᫀIIজµ^_`⏚╅᪵mmg3ঝ·᪵mᐙᑖ¸¹º»¼ᓾµ3ঞ¥¦¿Pঝ|ÀᒕÂÃ{Jmig»(4)ᑡᘤuÆᫀÇÈᵨᑮḄ«(Ê᪗Ì)஺4

4(5)ᑨÎ᪵mÏᐰᑖÑḄÒ«஺(6)ᨵÓnÔJᫀII¸¹Õ»ḄuÈ-MgCOa+SiO?¸¹MgSiCh+CO?t,ÈÖ×|}ØVᨵÙÚÔJÛÜÓnḄÝÞ12ᔩ?(Ê“12”ᡈ“┯Ù”)஺åæçᳮᵫூQᫀ௃(l)4MgC0•Mg(OH)•5HO+5HSO,=5MgSO,+l1HO+4COt(2ᑖ)322222(2)dfefbfCfb(2ᑖ)◀í-ᡂḄCO?uḄîï²(2ᑖ)(3)·¢£uðᶇḄCO?ᐰHòó§ᐸôÏᐰᔾᦈ(2ᑖ)(4).E(1ᑖ)(5)·᪵m÷Gø¸¹ᰀ»¼ᓾµ{úû0.1g¤ᑁ(2ᑖ)(6)┯Ù(1ᑖ)ÆḄ-ÇýþÃ{û(2ᑖ)ூÑ᪆௃ὃᑖ᪆⚪⌕ὃ“⏚╅”Ḅ⏚!"ᑖ#$%&ᓄឋ)*஺(1),-./01Ḅᓄ23454Mge஺3•Mg(0H)•5H0+5HS0,=5MgS0+llH0+4C0to2221122(2)789:⏚◀<=>?78@ABᔾᦈ%&ᓄE?F78@ABḄ3ᔣH“IJKL”5M■OP?-=>?ஹ%&ᓄJᐭSᓄ%&ᓄ)SḄ@AB◤⌕UVWXY@AB஺ᦑ[ᘤW]ḄVW^_5adebeb,`ḄaᵨH◀?஺(3)d᪵fᐙᑖ01hij᠒7ᐭP?ḄlḄHmno-pᶇḄC0?ᐰstLuhᐰᔾᦈ஺(4)v3ᫀxyᵨᑮḄHE஺(5)ᑨ|᪵fhᐰᑖ#Ḅ3}H᪵fV~ᰀᓾS)S0.1gᑁE"◤⌕SᵞḄ)SஹᵨfḄ)S$")SឤSXᐳ◤⌕S4஺(6)┯஺ᳮᵫv01Ḅ./x/ᡂCO2$=>?ḄS஺9.(15ᑖ)ᵬ⏣(CHQH)¢£5¤⁐¦FH1ᵨ§¨Ḅᓄ©ªᧇ$¬®Ḅ¯ᧇ஺(1)জ±²:COஹ4ஹClhOlIḄ¯"(AH)ᑖ´5-283.0kJmoLஹ-285.8kjmol\-726.8kj.mol1,ᑣCO$Hz01/ᡂCHBOHḄ"ᓄ234H஺ঝᨵ¹º»¼ᔠᑭᵨ¿□Ámᜩᯠ?Äᓄ5Å᧕ÇÈḄᵬ⏣no᝞£Êno©aË□᩽01345o5

5(2)X£01C0(g)+2H2(g)=CHQH(g)ᙠÖ×52LḄÙÚÖᘤ-JÛᐸᐵᦪßàáÊ஺জâ01ãäå⊝ËᵨH?⊤éᓄ201ê᳛5,v£í01Ḅå⊝¢ᦪ5ঝ5miniê᳛òᓄᒓḄªôõÁHE(3)ᙠ6.98MPaஹ250࠷$ÿᓄᑺ(C0I2)ᵨᵬ⏣ᓄ⏚CHOH(g)+CO(g)=CILCOOH(g)3ᨵᔠᡂᨵ!"#$ᙠ஺'"#()CHQH+CO,ᧇ.(/0)1,ᵬ⏣3ᡂ⏚Ḅ⌱6᳛90.0%,ᑣ<"#COḄᓄ᳛(4)>᱐(C&COOH)=1.8X100.1molL'CH3COOHGH)IJK0.1mol-l/CH3coONaGHQpH=7,!ᑖ}-283.0kJmor'+-726.801஺ᑣজC03(g)+1/20,(g)=C()2(g)AH=-283.OkJ«mor'ঝCHQH(1)+3/20(g)=C0(g)+2H0(1)222zH=-726.8kJ«mor'ঞHz(g)+l/20(g)=H0(1)zH=-286kJmoLᵫᵨ22জ+ঞ-2/3Xঝ"#CO(g)+2H(g)=CHOH(1),"#Ḅ"#yzH=-283.OkJmol'+23(-286kJ«mor')-2/3(-726.8kJ«mol1)=-127.8kJ«mol1,ᓽCO(g)+2&(g)=CH30H(1)zH=-129kJ«mol1஺ᦑ\ᫀCO(g)+2H(g)=CHOH(1)AH=-127.8kJ»mol'2;iঝᑭᵨ□ᜩᯠᓄ᧕$Ḅᵬ⏣□᩽ᜫᵯ¡¢3£ᓄ"#"#¤¥¦Cll,+H0-2e=€11,011+2ir(2)জ©"#ª«Q¬⊝TᵨH?⊤°ᓄ±"#²᳛³´ಗ22Lx10min6

60.6275=0.06mol*L'*min'K=----------=-L2,mor2=9.375I?mo20.8,0.48(—)-x—22ঝ5min¹²᳛ºᓄ»ᒓḄ½¾¿pᵨqᓄᑺÀ3ÁCHQH+CO,ᧇ.À/0Á1,Âᢗᧇ.1gx90%x281g,"#ḄCO-----------=0.7875gᑣCOḄᓄ᳛0.7875g/lgX100%=78.8%(79%c(CH?CO஺-ஹ_Kaixio-58ᡈ78.75%)(4)180,n(CH3C00H):/7(CH,C00Na)=l:180C(CH3COOH)c(H+)ioxᖪÄÅÀ4ÁÆᔠὃÈÉᵯr/ᙠÊGH)Ḅᵯˬ⊝ÌÍᜧÏÐᵯ¬⊝ᦪḄᭆÓ¿r⚪ḄᐵÖ×Øᵯ₹ÚឤḄÜÝÞ±3#ᵨßḄJ⌕áâ஺10.À14ᑖÁãä╅æÀ2MgO•B0•HQஹSiO?ìí0FeQஹCaC0,AI2O3Á½ᧇ3ïä⏚Ḅð233ñò¥᝞HbU;4ö⊤÷nø>ÍH3BO3ḄGrÍ>ÍCÁ20■1060100GrÍÀgÁ5.08.714.840.2⊤únøᱥ/ûüýᐰTḄpHᱥ/Fe(OH)3Al(OH)3Fe(OH)2Mg(OH)2pH3.25.29.712.4À1Áᵫÿ
CaCO”“”᧕ᜧᱥᧇᘤḄ!"#஺ফ“&”'⏚ឋᨵHBOsஹMg?'3SO"6ᨵFe'Fe"ஹCa"ஹAl*<ᩖ>஺“◀ᩖ”ᔣ&ABCᐭ〉3MgO,GH◀IḄᩖ>JK#,ḄLᵨ#NᵨJKOPQ⊤ST஺N3T“”Vᵨ“WXY”ḄZḄ#oN4T“]&”Gᵨ^_ᦈa⏚╅cda⏚╅ḄefghigjᓄḄlm᝞oᡠSqe&Ḅrshtuvᜧwᓣy஺#z“]&”ᐙᑖ_ᦈMgSOrHQ,Ḅ!"“]&”.7

7硫酸镁溶解度jg(5)d25࠷,⏚(IhBODe&ᙠ᝞⊝HB0(aq)+H0(l)[B(OH)J-(aq)+H-(aq)332K=5.7X10l025࠷0.7mol•L'⏚e&c(H)=mol-L-'o(6)cd25'C:ᓄ-©:ªH2cCH3COOII^=4.4X107ᵯJ¬ᦪK=l.75X106K=4,7X10112ᑡ°±²³ḄN´⌱⚗·]T஺a.¸⏚¹e&ºᐭ⏚e&»¼½ᑮᨵ¿b.¸⏚¹e&ºᐭÁ⏚e&»¼½ᑮᨵ¿c.

8(5)25c0.7molL"⏚ITḄ!c(H)=JK«C(HBO)=J5.7xio-10xo.7mol/L«2X105mol•L-1,ᦑᫀ2X10%olL33(6)"#!ஹ!⏚Ḅᵯ&'⊝)ᦪ+ᜧ⏚Ḅ⏚ឋ+.ᐸ⏚᪷&1Ḅ2345+6᪷7ᵯ&'⊝)ᦪ8⏚ឋ.9:;HC0>HB03>HC03,ᡠ>&12345?⏚3233᪷&1>?⏚A᪷&1ுC⏚᪷&1஺a.⏚ឋH£03>H3B()3>HC03,ᡠ>?⏚FGᐭ⏚Iᡂ?⏚AFK⏚FLᨵNOIᡂᦑa┯Qb.⏚ឋCH£00H>H2C0”ᡠ>?⏚FGᐭC⏚IᡂC⏚Fஹ2KRSᓄ?ᡠ>4UᑮᨵNWIᡂᦑbXYc.⏚ឋHzCO,>IIB0,ᡠ>?⏚Ḅᵯ&Z!ᜧ[⏚ᑣ]!Ḅ?⏚K⏚^_?⏚Ḅ⏚ឋᜧ[t3⏚ᡠ>pH`ὅீcὅᦑc┯Qd,⏚ឋCH,COOH>H£O“ᡠ>?⏚᪷&12345ᜧ[C⏚᪷&1ᑣ]!Ḅ?⏚FKC⏚F^_pH`ὅுcὅᦑdXYᦑᫀbd.11.ூᓄeff⌱h2ᓄeiᢈk௃(15ᑖ)ᑭᵨqrᮞtu(Cas(PODF)vIwr╄u(NH,)3P0yzᑴ|}⏚ஹὶw2஺ᐸZ᝞ᡠ(1)IḄᙠ“ᒹ__ஹ(2)Ḅᩞ<(“ᴻ”ஹ“”ஹ“▬ᨵq¡¢■ῖ¥Ḅt¦”⌱§)⌱§Ḅᳮᵫ<____(3)ª«¬>ᵨqrᮞtiᯖ¯ஹt°Ṻ²ᔠᙠᵯ᮱
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