問題詳情

5. 請選出下列反應正確的平衡常數表達式(equilibrium constant expression)
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(g)
(A) Kc = [Fe2O3] [H2]3/ [Fe]2[H2O]3
(B) Kc = [H2] / [H2O]
(C) Kc = [H2O]3/ [H2]3
(D) Kc = [Fe]2[H2O]3/ [Fe2O3] [H2]3

參考答案