change in internal energy for isothermal process


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Hailey Boehm 2H
Posts: 71
Joined: Fri Sep 28, 2018 12:24 am

change in internal energy for isothermal process

Postby Hailey Boehm 2H » Fri Mar 15, 2019 10:57 pm

Why is change in internal energy zero for isothermal processes? is this always true?

skyeblee2F
Posts: 62
Joined: Fri Sep 28, 2018 12:23 am

Re: change in internal energy for isothermal process

Postby skyeblee2F » Fri Mar 15, 2019 11:29 pm

It is always true for ideal gasses. An ideal gas has no interactions between particles or intermolecular forces, so pressure change at constant temperature does not change internal energy.


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