Water gas, a commercial fuel, is made by the reaction of hot coke with steam.
C (s) + H2O (g) → CO (g) + H2 (g)
When equilibrium is established at 800°C the concentrations of CO, H2, H2O are 4.00 x 10 -2, 4.00 x 10 -2, and 1.00 x 10 -2 mole/liter, respectively. What is the value of ΔG° for this reaction at 800°C?
A. 109 kJ
B. -43.5 kJ
C. 193 kJ
D. 16.3 kJ
E. none of these
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