化學英翻中...

By moving to the right along the horizontal axisn in the graph, we can follow the change in potential energy of the molecules as they approach each other,collide,and eventually form products. This horizontal axis is referred to as the reaction coordinate and can be viewed as a time axis.The potential energy of the... show more By moving to the right along the horizontal axisn in the graph, we can follow the change in potential energy of the molecules as they approach each other,collide,and eventually form products. This horizontal axis is referred to as the reaction coordinate and can be viewed as a time axis.The potential energy of the molecule does not change until they make contact and begin to compress together. As they collide, the molecules lose velocity, which means they lose kinetic energy.
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