Question 11 (1 point) Reaction A: N2 (g) + O2 (g) ↔ 2 NO (g) + Heat Reaction B: 2 SO2 (s) + O2 (g) + Heat ↔ 2 SO3 (s) Which statement below correctly describes the 2 reactions above? a Reaction A is exothermic and reaction B is endothermic. b Both reactions are endothermic. c Both reactions are exothermic. d Reaction A is endothermic and reaction B is exothermic.

a Reaction A is exothermic and reaction B is endothermic.