Below What Temperature Does the Following Reaction Become Nonspontaneous? 2HNO₃(aq)

question 57

Multiple Choice

Below what temperature does the following reaction become nonspontaneous? 2HNO₃(aq) + NO(g) → 3NO₂(g) + H₂O(l) Δ_rH = +136.5 kJ; Δ_rS = +287.5 J K^-1 mol^-1

• A) 39.2 K
• B) 151 K
• C) 475 K
• D) 4.75 × 10³ K
• E) 298.17 K

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