Use the Free Energies of Formation Given Below to Calculate

question 59

Multiple Choice

Use the free energies of formation given below to calculate the equilibrium constant (K) for the following reaction at 298 K. 2 HNO₃(aq) + NO(g) → 3 NO₂(g) + H₂O(l) K = ?
ΔG°_f (kJ/mol) -110.9 87.6 51.3 -237.1

• A) 8.71 × 10⁸
• B) 0.980
• C) 1.15 × 10^-9
• D) 1.02
• E) 5.11 × 10^-4

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