delta S for reversible and irreversible reactions


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Hannah Guo 3D
Posts: 56
Joined: Fri Sep 29, 2017 7:06 am

delta S for reversible and irreversible reactions

Postby Hannah Guo 3D » Thu Mar 15, 2018 5:56 pm

Can someone explain why deltaS(tot, rev)=0, but deltaS(tot, irri)>0 ?

Michaela Capps 1l
Posts: 50
Joined: Thu Jul 27, 2017 3:00 am

Re: delta S for reversible and irreversible reactions

Postby Michaela Capps 1l » Fri Mar 16, 2018 9:10 pm

When it is reversible, the system is at equilibrium so it =0. When deltaS >0 the reaction is spontaneous, which is a part of the second law of thermodynamics


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