Delta S Universe


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Brittney Hun 2C
Posts: 104
Joined: Wed Sep 11, 2019 12:15 am

Delta S Universe

Postby Brittney Hun 2C » Wed Feb 12, 2020 12:13 am

When do we know that the delta S of the universe is equal to 0. In the solutions manual it says that a reversible process has delta S=0

Eugene Chung 3F
Posts: 142
Joined: Wed Nov 15, 2017 3:03 am

Re: Delta S Universe

Postby Eugene Chung 3F » Wed Feb 12, 2020 12:20 am

reversible processes have delta S universe = 0. Since deltaS(sys) + deltaS(surr) = deltaS(universe) = 0, deltaS(sys) = -deltaS(surr).

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