题目内容
如图,绝热气缸A与导热气缸B均固定于地面,由刚性杆连接的绝热活塞与两气缸间均无摩擦。两气缸内装有处于平衡状态的理想气体,开始时体积均为
、温度均为
。缓慢加热A中气体,停止加热达到稳定后,A中气体压强为原来的1.2倍。设环境温度始终保持不变,求气缸A中气体的体积
和温度
。![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082413275662715718.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756393372.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756425364.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756471394.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756549369.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/2014082413275662715718.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756830461.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132756955400.png)
设初态压强为
,膨胀后A,B压强相等
(1分)
B中气体始末状态温度相等
(3分)
∴
(1分)
A部分气体满足
(4分)
∴
(1分)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757080347.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757158494.png)
B中气体始末状态温度相等
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757189734.png)
∴
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757236561.png)
A部分气体满足
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757423750.png)
∴
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824132757454487.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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