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1、4习题第四章化学平衡ExercisefourthchapterchemicalbalanceRadioexamination1,atconstanttemperatureandconstantpressure,achemicalreactionisgoingonspontaneously.Itmustbe()A.rGm<0rGm<0C.?B.DeltaDeltarGm>0D.(G/T,p>0.)2,thereactionofCO(g),+H20(g),=C02(g),+H2(g)at800degreesK,=1,ifthereactionbegin
2、satCOandH20concentrationsarelmol=dm-3,thenCOat800degreesoftemperatureconversionrateis()A.0.5B.0.1C.1D.0.33,whenthesumofthechemicalpotentialoftheproductisequaltothesumofthechemicalpotentialofthereactant,itmustbe()A.rGm(E)<0B.(G/Tp<0C.(E),G/T,p>0D・(E)G/.T,p=0)4,atconstanttempera
3、tureandconstantpressure,whenachemicalreactionreachesabalance,therelationshipmustbeestablishedA.,rGm>0,B.,,rGm<0,C.,Delta,rGm=0,D.,Delta,rGm,>05,whenthesumofthechemicalpotentialoftheproductislessthanthesumofthechemicalpotentialofthereactants,itmustbe()A.rGm(E)<0B.rGm(E)>0C.rGm=
4、0D.?RGm(E)二T,P(G/.)1,knownaslOOOK,(1)CO(g)+1/202(g)二C02(g)K1*1010二1.659?(2)C(s)+C02(g)二2C0(g)K=1.719?ThenthereactionofC(s)+1/202(g)二CO(g)K(3)for?A.9.651x1010B.1.036x1010C.4.731*1010D.2.852*10108,theresponseofthedeltarGm,=a~bT(a,Bisgreaterthanzero),thefollowingstatementiscorrec
5、t()TherisingtemperatureofA.isfavorabletothereaction,thepositivetemperatureofB.decreases,andthetemperatureofKincreasesTheeffectofC.temperatureontheequilibriumcannotbedetermined・ThedecreaseofD.temperatureisbeneficialtothepositivereactionArGm9,whenachemicalreaction(E)mustbelessth
6、anzero0A.isproceedingspontaneously,B.isspontaneous,C・isinequilibrium,andD.isnotcertain12,underthetotalpressureof350KandlOOkPa,thefollowingidealgasreactions(・・・)1PC15(g)二PC13(g)+C12(g)H2(g)+C12(g)二2HC1(g)N204(g)二2N02(g)TheN2(g)+3H3(g)二2NH3(g)ofthe2N0(g)+02(g)=2N02(g)andKp>KKp>K
7、x,whichisthereaction?:A.B.:theC.D.isthe412,atconstanttemperatureandconstantpressure,whenthechemicalreactionreachesabalance,theequationthatisnotnecessarilyestablishedis()A.rGm=0B.=0C.?RGm(G/T,p二0D.r.)(positive)inverse)13,at400DEGCandP,thereaction3/2,H2(g),+1/2,N2(g),二NH3(g)Kp二0
8、.0129PaT,atthesametemperatureandpressure,thereaction3H2(g),+N
