Question: The equilibrium constant (KP) for the reaction H2(g) + CO2(g) H2O(g) + CO(g) is 4.40 at 2000 K. (a) Calculate DG for the reaction.

The equilibrium constant (KP) for the reaction
H2(g) + CO2(g) ⇌ H2O(g) + CO(g)
is 4.40 at 2000 K.
(a) Calculate DG° for the reaction.
(b) Calculate DG for the reaction when the partial pressures are PH2 5 0.25 atm, PCO2 5 0.78 atm, PH2O 5 0.66 atm, and PCO 5 1.20 atm.

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