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题文

已知:CO(g)+H2O(g) CO2(g)+H2(g)    ∆H=—41 kJ/mol
相同温度下,在体积相同的两个恒温密闭容器中,加入一定量的反应物发生反应。相关数据如下:

容器编号
起始时各物质物质的量/mol
达平衡过程体系能量的变化
CO
H2O
CO2
H2

1
4
0
0
放出热量:32.8 kJ

0
0
1
4
热量变化:Q

下列说法中,不正确的是
A.容器①中反应达平衡时,CO的转化率为80%
B.容器①中CO的转化率等于容器②中CO2的转化率
C.容器①中CO反应速率等于H2O的反应速率
D.平衡时,两容器中CO2的浓度相等

科目 化学   题型 选择题   难度 较难
知识点: 探究温度、压强对化学平衡的影响
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