题目内容

对于符合阿伦尼乌斯方程的反应来说，下列说法中正确的是

A. 反应速率常数的大小即反应速率的大小
B. 反应级数和反应分子数是同义词
C. 反应级数越大，反应速率越大
D. 从反应的速率常数的单位可以推测该反应的反应级数
E. 放热反应的速率总比吸热反应的速率大
F. 升高温度时，无论放热反应或吸热反应速率都是增大的
G. 催化剂只能缩短反应达到平衡的时间而不能改变平衡状态或者平衡常数

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