反应C(s)+H2O (g) CO(g)+H2(g)在一密闭容器中进行,下列条件的改变能加快

反应C(s)+H2O (g) CO(g)+H2(g)在一密闭容器中进行,下列条件的改变能加快反应速率的是

A.增加C的量                     B.将容器的体积缩小一半

C.保持容器体积不变,充入N2       D.保持压强不变,再充入H2O(g)

答案

B

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