Additional Data and Calculation Procedures - Thanatia: The Destiny of the Earth's Mineral Resources - page 559

AppendixD

Additional Data and Calculation
Procedures

D.1 Standard redox potentials

Table D.1: Standard Electrode Potentials E 0 in Aqueous Solution at 25 o C
(Lide, 2006)

E 0 (Volts) Cathode (Reduction) Half-Reaction

Li + (aq) + e ! Li(s) -3.04

K + (aq) + e ! K(s) -2.92

Ca 2+ (aq) + 2e ! Ca(s) -2.76

Na + (aq) + e ! Na(s) -2.71

Mg 2+ (aq) + 2e ! Mg(s) -2.38

Al 3+ (aq) + 3 e ! Al(s) -1.66

2H 2 O(l) + 2e ! H 2 (g) + 2OH (aq) -0.83

Zn 2+ (aq) + 2e ! Zn(s) -0.76

Cr 3+ (aq) + 3 e ! Cr(s) -0.74

Fe 2+ (aq) + 2e ! Fe(s) -0.41

Cd 2+ (aq) + 2e ! Cd(s) -0.4

Ni 2+ (aq) + 2e ! Ni(s) -0.23

Sn 2+ (aq) + 2e ! Sn(s) -0.14

Pb 2+ (aq) + 2e ! Pb(s) -0.13

Fe 3+ (aq) + 3e ! Fe(s) -0.04

2H + (aq) + 2e ! H 2 (g) 0

Sn 4+ (aq) + 2e ! Sn 2+ (aq) 0.15

Cu 2+ (aq) + e ! Cu + (aq) 0.16

ClO 4 (aq) + H 2 O(l) + 2e ! ClO 3 (aq) + 2OH (aq) 0.17

AgCl(s) + e ! Ag(s) + Cl (aq) 0.22

Cu 2+ (aq) + 2e ! Cu(s) 0.34

ClO 3 (aq) + H 2 O(l) + 2e ! ClO 2 (aq) + 2OH (aq) 0.35

IO (aq) + H 2 O(l) + 2e ! I (aq) + 2OH (aq) 0.49

Cu + (aq) + e ! Cu(s) 0.52

I 2 (s) + 2e ! 2I (aq) 0.54

ClO 2 (aq) + H 2 O(l) + 2e ! ClO (aq) + 2OH (aq)

0.59

Fe 3+ (aq) + e ! Fe 2+ (aq)

0.77

Hg 2+ 2 (aq) + 2e ! 2Hg(l)

0.8

Ag + (aq) + e ! Ag(s)

0.8

Hg 2+ (aq) + 2e ! Hg(l)

0.85

ClO (aq) + H 2 O(l) + 2e ! Cl (aq) + 2OH (aq)

0.9

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