题目内容

某一反应的半衰期与浓度无关,该反应是几级反应

A. 一级
B. 二级
C. 零级
D. 三级

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以下不符合稀溶液依数性的是

A. 饱和蒸汽压下降
B. 沸点上升
C. 凝固点下降
D. 导电性增强

4.005 有效数字是几位______

绝热过程体系温度一定不变

Worse leaders can also get promoted because_______ .

A. their peers are not good leaders
B. they are good leaders
C. their smart peers are thought to be less effective
D. they are thought to be effective

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