Calculate Δ_rG° at 298 K Using the Following Information: 2HNO₃(aq)

question 99

Multiple Choice

Calculate Δ_rG° at 298 K using the following information: 2HNO₃(aq) + NO(g) → 3NO₂(g) + H₂O(l) Δ_rG° = ?
Δ_fH° (kJ mol^-1) -207.0 91.3 33.2 -285.8
S°(J K^-1 mol^-1) 146.0 210.8 240.1 70.0

• A) -151 kJ mol^-1
• B) -85.5 kJ mol^-1
• C) +50.8 kJ mol^-1
• D) +222 kJ mol^-1
• E) -186 kJ mol^-1

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