A.升温和加压 B.降温和降压 C.降温和加压 D.升温和降压

作者: tihaiku 人气: - 评论: 0
问题
选项 A.升温和加压 B.降温和降压 C.降温和加压 D.升温和降压
答案 C
解析 根据化学平衡移动的吕查德原理,放热反应中,温度降低时,平衡向放热方向(即正方向)移动。本题中反应前后气体分子总数左边大于右边,因此增加压力,使反应向右移动。

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