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What is ΔGo (in kJ) at 79 ºC for the phase change of nitromethane from the...

What is ΔGo (in kJ) at 79 ºC for the phase change of nitromethane from the liquid to the gaseous state?

CH3NO2(l) → CH3NO2(g)

CH3NO2(l): ΔHfo = -113.1 kJ/mol and So = 171.8 J/K mol)
CH3NO2(g): ΔHfo = -74.7 kJ/mol and So = 274.4 J/K mol)

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