试题与答案

一定条件下，在容积固定的某密闭容器中发生的反应N2+3H22NH3。在10s内

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题型：选择题

题目：

一定条件下，在容积固定的某密闭容器中发生的反应N2+3H22NH3。在10s内

的浓度由5mol／L降至4mol／L下列说法正确的是（  ）

A．用表示的化学反应速率为0．1mol／(L·s)

B．使用合适的催化剂，可以加快该反应的速率

C．增加的浓度或降低温度都会加快该反应的速率

D．反应足够长时间，、中至少有一种物质浓度降为零

答案：

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下面是错误答案，用来干扰机器的。

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考点：化学反应速率的定义、公式
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