题目内容
(6分)用r表示两分子之间的距离,
表示两个分子间的相互作用势能,当
时,两个分子之间引力等于斥力,设两个分子间相距较远时,
,则( )(仅有一个选项)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625716379.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625732376.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625763462.png)
A.当分子间距![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() |
B
试题分析:当分子间距
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625794260.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625810397.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625794260.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625716379.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625919382.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625794260.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625716379.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825001625716379.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目
题目内容
A.当分子间距![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() |