标准电极电势可以用来计算化学电池或原电池的电化学势或电极电势.doc

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1、标准电极电势可以用来计算化学电池或原电池的电化学势或电极电势。本表中所给出的电极电势以标准氢电极为参比电极，溶液中离子浓度为1mol/L，气体分压为100kPa，温度为298K。[1][2][3][4]半反应Eo(V)Li++e−→Li(s)−3.05Rb++e−→Rb(s)−2.98K++e−→K(s)−2.93Cs++e−→Cs(s)−2.92Ba2++2e−→Ba(s)−2.91Sr2++2e−→Sr(s)−2.89Ra2++2e−→Ra(s)−2.80Ca2++2e−→Ca(s)−2.76Na++e−→

2、Na(s)−2.71Mg2++2e−→Mg(s)−2.38Al(OH)4-+3e−→Al(s)+4OH−−2.33Al(OH)3+3e−→Al(s)+3OH−−2.31H2+2e−→2H−−2.25Ac3++3e−→Ac(s)−2.20Be2++2e−→Be(s)−1.85Al3++3e−→Al(s)−1.66Ti2++2e−→Ti(s)−1.63TiO(s)+2H++2e−→Ti(s)+H2O−1.31Ti2O3(s)+2H++2e−→2TiO(s)+H2O−1.23Ti3++3e−→Ti(s)−1.21Mn

3、2++2e−→Mn(s)−1.18V2++2e−→V(s)−1.13Nb3++3e−→Nb(s)−1.099Sn(s)+4H++4e−→SnH4(g)−1.07SiO2(s)+4H++4e−→Si(s)+2H2O−0.91B(OH)3(aq)+3H++3e−→B(s)+3H2O−0.89TiO2++2H++4e−→Ti(s)+H2O−0.862H2O+2e–→H2(g)+2OH–−0.83Zn2++2e−→Zn(s)−0.76Cr3++3e−→Cr(s)−0.74[Au(CN)2]–+e–→Au(s)+2CN–

4、−0.60PbO(s)+H2O+2e−→Pb(s)+2OH−−0.582TiO2(s)+2H++2e−→Ti2O3(s)+H2O−0.56Ga3++3e−→Ga(s)−0.53H3PO2(aq)+H++e−→P(s)+2H2O−0.51H3PO3(aq)+3H++3e−→P(s)+3H2O−0.50H3PO3(aq)+2H++2e−→H3PO2(aq)+H2O−0.50Fe2++2e−→Fe(s)−0.442CO2(g)+2H++2e–→HOOCCOOH(aq)−0.43Cr3++e−→Cr2+−0.42Cd2

5、++2e−→Cd(s)−0.40PbSO4(s)+2e–→Pb(s)+SO42−−0.36GeO2(s)+2H++2e−→GeO(s)+H2O−0.37In3++3e−→In(s)−0.34Tl++e−→Tl(s)−0.34Ge(s)+4H++4e−→GeH4(g)−0.29Co2++2e→Co(s)−0.28H3PO4(aq)+2H++2e−→H3PO3(aq)+H2O−0.28V3++e−→V2+−0.26Ni2++2e−→Ni(s)−0.25As(s)+3H++3e−→AsH3(g)−0.23MoO2(s

6、)+4H++4e−→Mo(s)+2H2O−0.15Si(s)+4H++4e−→SiH4(g)−0.14Sn2++2e−→Sn(s)−0.13O2(g)+H++e−→HO2•(aq)−0.13Pb2++2e−→Pb(s)−0.13WO2(s)+4H++4e−→W(s)+2H2O−0.12CO2(g)+2H++2e−→HCOOH(aq)−0.11Se(s)+2H++2e−→H2Se(g)−0.11CO2(g)+2H++2e−→CO(g)+H2O−0.11SnO(s)+2H++2e−→Sn(s)+H2O−0.10Sn

7、O2(s)+2H++2e−→SnO(s)+H2O−0.09WO3(aq)+6H++6e−→W(s)+3H2O−0.09P(s)+3H++3e−→PH3(g)−0.06HCOOH(aq)+2H++2e−→HCHO(aq)+H2O−0.032H++2e−→H2(g)  0.0000H2MoO4(aq)+6H++6e−→Mo(s)+4H2O+0.11Ge4++4e−→Ge(s)+0.12C(s)+4H++4e−→CH4(g)+0.13HCHO(aq)+2H++2e−→CH3OH(aq)+0.13S(s)+2H++2e

8、−→H2S(g)+0.14Sn4++2e−→Sn2++0.15Cu2++e−→Cu++0.16HSO4−+3H++2e−→2H2O+SO2(aq)+0.16SO42−+4H++2e−→2H2O+SO2(aq)+0.17SbO++2H++3e−→Sb(s)+H2O+0.20H3AsO3(aq)+3H++3e−→As(s)+3H2O+0.24GeO(s)+2H++2e−→Ge(s)+H2O