Which of the following statement is true about the reaction shown below?
N₂O₄(g) → 2 NO₂(g) ΔH° = 58.02 kJ; ΔS° = 176.6 J/K

• A. The reaction is spontaneous at low temperatures but not spontaneous at high temperatures.
• B. The reaction is spontaneous at high temperatures but not spontaneous at low temperatures.
• C. The reaction is spontaneous at all temperatures.
• D. The reaction will not be spontaneous at any temperature.

Answer: (B)