entropy and pressure

Volume:
Temperature:

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Kyle Rex 1K
Posts: 50
Joined: Sat Aug 17, 2019 12:16 am

entropy and pressure

Postby Kyle Rex 1K » Wed Feb 12, 2020 10:55 pm

How is entropy related to pressure? And does this change depending on what type of system is being dealt with?
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Sean Cheah 1E
Posts: 105
Joined: Wed Sep 18, 2019 12:20 am

Re: entropy and pressure

Postby Sean Cheah 1E » Thu Feb 13, 2020 9:16 am

One equation for entropy is delta S = nR*ln(P1/P2). From this, it follows that increasing pressure decreases entropy and decreasing pressure increases entropy.
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Abby Soriano 1J
Posts: 103
Joined: Sat Aug 24, 2019 12:16 am

Re: entropy and pressure

Postby Abby Soriano 1J » Thu Feb 13, 2020 11:43 am

We know that delta s = nRln(V2/V1). Since pressure and volume have an inverse relationship, delta S = nRln(P1/P2).
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