Hello,
I just have a question.
When a gaz expands against a piston (that is insulated), the system is doing work so W>0 and we know that the volume will increase and the pressure decrease.
I just have a question.
When a gaz expands against a piston (that is insulated), the system is doing work so W>0 and we know that the volume will increase and the pressure decrease.
But what I want to know, is how about the temperature, I’d say that it will decrease since the pressure also decreases , but is there any other argument ?
I know that if we want to maintain a constant temperature in such a system we have to "connect" the system to a tank , so that the heat transfer will compensate the work done by the system.
Thanks !
http://ift.tt/1ePy7OP