Below What Temperature Does the Following Reaction Become Nonspontaneous? 2

question 8

Multiple Choice

Below what temperature does the following reaction become nonspontaneous? 2 HNO₃(aq) + NO(g) → 3 NO₂(g) + H₂O(l) ΔH = +136.5 kJ; ΔS = +287.5 J/K

• A) 39.2 K
• B) 151 K
• C) 475 K
• D) This reaction is nonspontaneous at all temperatures.
• E) This reaction is spontaneous at all temperatures.

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