Consider the reaction
Calculate ΔH°, ΔS°, and ΔG° at 25°C for this reaction. Assume ΔH° and ΔS° are constant with respect to a change of temperature. Now calculate ΔG° at 650°C. Compare the two values of ΔG°. Briefly discuss the spontaneity of the reaction at 25°C and at 650°C.
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