Use Hess's Law to Calculate ΔG°_rxn Using the Following Information

question 124

Multiple Choice

Use Hess's law to calculate ΔG°_rxn using the following information. NO(g) + O(g) → NO₂(g) ΔG°_rxn = ?
2 O₃(g) → 3 O₂(g) ΔG°_rxn = +489.6 kJ
O₂(g) → 2 O(g) ΔG°_rxn = +463.4 kJ
NO(g) + O₃(g) → NO₂(g) + O₂(g) ΔG°_rxn = -199.5 kJ

• A) +753.5 kJ
• B) +277.0 kJ
• C) -676.0 kJ
• D) -1152.5 kJ
• E) -225.7 kJ

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