Problem: Calculate ∆G° rxn using the following information, assume room temperature. 2 HNO3 (aq) + NO (g) → 3 NO2 (g) + H2O (l) H°f(kJ/mol)  -207.0      91.3      33.2     -285.8 S°(J/mol•K) 146.0      210.8      240.1      70.0 -186 kJ -85.5 kJ 50.8 kJ 222 kJ -151 kJ

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Calculate ∆G° rxn using the following information, assume room temperature.

2 HNO(aq) + NO (g) → 3 NO(g) + H2O (l)

H°f(kJ/mol)  -207.0      91.3      33.2     -285.8

S°(J/molK) 146.0      210.8      240.1      70.0

1. -186 kJ
2. -85.5 kJ
3. 50.8 kJ
4. 222 kJ
5. -151 kJ

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