試題詳解

8. Consider a vessel containing the following exothermic reaction at equilibrium:

2 SO₂ (g) + O₂ (g) ⇌ 2 SO₃ (g)

Which changes would increase the amount of O₂ (g) present?
(A) Cooling the reaction
(B) Doubling the volume of the reaction vessel
(C) Adding SO₂ (g)
(D) Adding a catalyst
(E) None of the previous answers.