Use Hess's law to calculate ΔG°rxn using the following information.
CO(g) → C(s) + 1/2 O2(g) ΔG°rxn = ?
CO2(g) → C(s) + O2(g) ΔG°rxn = +394.4kJ
CO(g) + 1/2 O2(g) → CO2(g) ΔG°rxn = -257.2 kJ
A) -60.0 kJ
B) +651.6 kJ
C) -265.8 kJ
D) +137.2 kJ
E) +523.0 kJ
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