![]() Since ΔG > 0, the reaction is not spontaneous at 25☌.Īt 500☌ (773 K), we can assume that ΔH and ΔS do not change with temperature. Therefore, the standard free energy of formation of HgO is 153.5 kJ/mol.įor the second question, we can use the formula ΔG = ΔH - TΔS to determine whether the reaction is spontaneous or not at a given temperature T. Entropy of gas at standard conditions (1 bar). Substituting these values into the formula above gives: Other names: Molecular oxygen Oxygen molecule Pure oxygen O2 Liquid oxygen UN 1072 UN 1073 Dioxygen. ![]()
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