ADDITIONAL INFORMATION

G = Go + RT ln Q

G = - n F (EH1 - EH2)

pe = -Log(e-) = 16.9 EH

EoH = 2.3 RT/F peo


R = 1,987 cal /mole oK = 0.082 liter-atm deg-1 mole-1 = 8.31 joules deg-1 mole-1

PV = nRT

gal = 3.785 liters

F = 96,500 coulombs

2.3 RT/F = 0.059 V at 25oC

P(CO2) = 10-3.5 atm

P (O2) = 10-0.7atm

P (N2) = 10-0.1 atm

EQUILIBRIUM CONSTANTS


1/8 CO2 (g) + H+ + e- 1/8 CH4 (g) + ¼ H2O peo = 2.87




OSCd NaPC CaHCl
atom w.1632 112.42331 12401 35.5




SpeciesGfo (Kcal/mole) Hfo (Kcal/mole)
CO2 (gas)-94.26-94.05
CO2 (aq)-92.31-98.69
CaCO3 (s)-269.78-288.45
Ca+2 (aq)-132.18-129.77
HCO3-(aq)-140.31-165.15
H2O (gas)

H2O (aq)

-54.63

-56.69

-57.80

-68.31