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【简答题】
2NO + O 2 = 2NO 2 的反应机理拟定为: 2NO ⇄ N 2 O 2 ( 达到平衡,平衡常数为 K1) N 2 O 2 + O2 = 2NO 2 ( 慢,速率常数为 k2) 总包反应对 O 2 是 级;对 NO 是 级。
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