19. Chemical Thermodynamics
Gibbs Free Energy Calculations
Multiple Choice
Multiple ChoiceFe2O3 (s) + 3 H2 (g) → 2 Fe (s) + 3 H2O (g) is a redox reaction. What would be its Gibbs Free energy change under standard conditions? Is the reaction spontaneous at 25 °C?
A
513.6 kJ; No, the reaction is not spontaneous at 25 °C.
B
56.4 kJ; No, the reaction is not spontaneous at 25 °C.
C
−513.6 kJ; Yes, the reaction is not spontaneous at 25 °C.
D
56.4 kJ; Yes, the reaction is spontaneous at 25 °C.
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