在恒温下的定容密闭容器中,反应2SO2+O22SO3已经达到平衡状态的标志是_刷题宝

题干

在恒温下的定容密闭容器中,反应2SO₂+O₂

2SO₃已经达到平衡状态的标志是

A：容器中SO₂、O₂和SO₃共存

B：SO₂和SO₃的物质的量浓度相等

C：容器中的SO₂、O₂、SO₃的物质的量之比为2:1:2

D：反应器内压强不再变化

上一题下一题 0.0难度选择题更新时间:2012-05-07 11:13:20

答案(点此获取答案解析）

D

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