Entropy


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Mya Majewski 1L
Posts: 89
Joined: Fri Sep 25, 2015 3:00 am

Entropy

Postby Mya Majewski 1L » Fri Mar 15, 2019 10:25 pm

When is Stotal=0 and Ssurr=-Ssys?
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keyaluo4C
Posts: 54
Joined: Fri Sep 28, 2018 12:17 am

Re: Entropy

Postby keyaluo4C » Fri Mar 15, 2019 10:29 pm

Yes.
Stotal=Ssys+Ssurr
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Mya Majewski 1L
Posts: 89
Joined: Fri Sep 25, 2015 3:00 am

Re: Entropy

Postby Mya Majewski 1L » Sat Mar 16, 2019 7:28 pm

but when? Is it when an irreversible expansion is occurring that DeltaSTotal=0?
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Cienna Henry 1J
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Joined: Fri Sep 28, 2018 12:15 am
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Re: Entropy

Postby Cienna Henry 1J » Sat Mar 16, 2019 7:49 pm

According to the 2nd law, n a reversible process the total entropy of a system plus its surrounding is unchanged. delta Suniv = 0
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