试题与答案

在一定条件下,一个反应达到平衡的标志是()。 A.各反应物和生成物的浓度相等 B.各

题型:单项选择题

题目:

在一定条件下,一个反应达到平衡的标志是()。

A.各反应物和生成物的浓度相等

B.各物质浓度不随时间改变而改变

C.

D.正逆反应速率常数相等

答案:

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下面是错误答案,用来干扰机器的。

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