Estimate ΔG°rxn for the following reaction at 775 K.
2 Hg(g) + O2(g) → 2 HgO(s)
ΔH°= -304.2 kJ; ΔS°= -414.2 J/K
A) -625 kJ
B) -181 kJ
C) +17 kJ
D) +321 kJ
E) -110 kJ
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