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Thermodynamic data for reference electrodes

Solid species

The following table contains thermodynamic dataat 25oC for solid species associated with the most important reference electrodes

Species

G0

S0

A

B

C

(J·mol-1)

(J·mol-1)

O2

0

205

29.96

4.184

-1.674

H2

0

131

27.28

3.263

0.502

H2O

-237000

69.9

10.669

42.284

-6.903

Ag

0

42.55

21.297

8.535

1.506

Cu

0

33.2

22.635

6.276

--

Hg

0

76.02

26.94

0

0.795

AgCl

-109805

96.2

62.258

4.184

-11.297

Hg2Cl2

-210778

192.5

63.932

43.514

0

Hg2SO4

-625880

200.66

131.96

--

--

HgO

-58555

70.29

34.853

30.836

0