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MCAT Chemistry Question — Hypothetical Reaction

Consider the following hypothetical reaction: Q2 (g) + AX4 (g) → 2 QX2 (g) + A (g) ΔH = 23.4 kJ / mol Which of the following is true regarding this reaction?   A) Spontaneous at all temperatures B) Nonspontaneous at all temperatures C) Spontaneous at low temperatures D) Spontaneous at high temperatures