•1√×√√ו1.√×√√×()()()()ϕϕϕ>ϕ+++++++θ>θθθ52122322CuCuFeFeFeFeCuCu22////C()()Cd()CCd())(,).(但+=++++5)(Cd222cV005917Cu(s)(aq)Cd(aq)CuCd(s))(−=++)(Cu)(CdΘ22cclg2V0.05917EE↑+)(Cu)(2c↓+c2Cd)(↑E.2b)/()/()/(24233272+++++−ΘΘΘ>>SnSnFeFeCrOCrϕϕϕ)()()(72ϕϕϕ3.()()22//++θθθθθ()()223148.02l3148.0//×=−=−=++−+VnEKVZnZnFeFeEθθθθθθθϕϕϕϕ10104405917.005917.0lg×===KVVKθθ()()102104.4104.4×==×=+ZncKKeqθ()2104.4×+FecKeq2355.0)/I(I)/Fe(FeE)1.(4223=−=−−+θθθϕϕV)mol.J45.5(0.2355964852nFEΔG)2(231−=××−=−=−θθk(aq)Fe2(s)I(aq)Fe2(aq)I)24()()(Fe),(Fe)(I|I|))(3(23322312+=++−++−++−PtcccPtV0058cl0.05917EE(aq)Fe2(s)I(aq)Fe2(aq)I)24(2)(Fe22+=++θV0.058cclg2EE2)(I2)(Fe)(Fe3=⋅−=−+θ(aq)Cl10(aq)H16(aq)MnO2.5++−+−2224O(l)H8(aq)Mn2(g)Cl5(aq)Cl10(aq)H16(aq)MnO2++=+++1622)(Mn)/Mn(MnO)/Mn(MnO22424lg1005917.0++−+−−=θϕϕcV)/Cl(Cl16)(H2)(MnO)/Mn(MnO244034.110−+−<=⋅θϕVcc不能自发进行)/Cl(Cl2034.1<ϕV6.V016.0E−+=−=ϕϕ322.1.0lg205917.0lg205917.0E−++⎥⎦⎤⎢⎣⎡+−+=dmmol)(Hcθθθθϕϕϕϕ016.0g2g2=⎥⎦⎢⎣ccθθϕϕ3.19.0−+=dmmol)c(HVVE28.064.1)1.(8/Co)(Co/Co)(Co)/Cl(Cl222−==−=++−ϕϕϕθθθaqaqgscc)(Co)(Cl2)(Cl)Co()2(222⎪⎫⎪⎧⎪⎫⎪⎧+=++−VEEcccclg205917.0)3()(Co)(Cl2⎫⎧⎪⎭⎪⎬⎫⎪⎩⎪⎨⎧⋅⎪⎭⎪⎬⎫⎪⎩⎪⎨⎧−=+−θθθppg2)()(Cl2⎭⎬⎫⎩⎨⎧θ{}VcV340lg05917.0)4(/Co)(Co222−=+=+ϕϕθ时，电动势降低势增大，氯气压力减小氯气压力增大时，电动{}VVVVc70.134.03583.1-E34.0lg2)4(/Co)(Co)/Cl(Cl)(Co/Co)(Co/Co)(Co2222=+===+=+−++ϕϕϕϕθ1111.阳极阴极（1）Ni-2e=Ni2+Ni2++2e=Ni（1）Ni2eNiNi+2eNi（2）2Cl--2e=Cl2Mg2++2e=Mg（3）4OH--4e=O2+2H2O2H2O+2e=2OH-+H2解释（）电解液为碱性故写阴极反应时两边同时加（3）：电解液为碱性，故写阴极反应时两边同时加2OH‐
