Irreversible vs Reversible


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Jessica Esparza 2H
Posts: 130
Joined: Wed Sep 18, 2019 12:15 am

Irreversible vs Reversible

Postby Jessica Esparza 2H » Tue Feb 04, 2020 11:20 am

With respect to external pressure, can anyone explain the difference between an irreversible and reversible expansion?

Brooke Yasuda 2J
Posts: 102
Joined: Sat Jul 20, 2019 12:17 am

Re: Irreversible vs Reversible

Postby Brooke Yasuda 2J » Tue Feb 04, 2020 12:58 pm

In an irreversible expansion, the external pressure is not changing. This means that there will be sudden expansion against an external pressure. In contrast, a reversible expansion is occurring when the system is in equilibrium. A very small incremental change in the external pressure causes a slow change in the internal pressure and volume. In a reversible expansion, it is doing the maximum amount of work possible.

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