Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) Given the information in the table   a. calculate ∆H° for the reaction. b. calculate ∆S° for the reaction. c. Determine the standard free energy for the reaction at 25 °

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