Reversible vs Isothermal


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Abigail Yap 2K
Posts: 51
Joined: Fri Sep 29, 2017 7:07 am

Reversible vs Isothermal

Postby Abigail Yap 2K » Sun Jan 21, 2018 12:56 am

Can someone please clarify the definitions of and differences between reversible and isothermal expansion? Thanks!
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Angel Ni 2K
Posts: 50
Joined: Sat Jul 22, 2017 3:01 am

Re: Reversible vs Isothermal

Postby Angel Ni 2K » Sun Jan 21, 2018 1:30 am

A reversible isothermal reaction is one in which the volume changes slowly at a constant temperature. There is no heat transfer, so q=0, so deltaU=w.
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Julia Ward 2C
Posts: 27
Joined: Wed Nov 16, 2016 3:03 am

Re: Reversible vs Isothermal

Postby Julia Ward 2C » Sun Jan 21, 2018 1:35 am

I believe that a reversible expansion is when the change in pressure is infinitesimal so that the Pinternal~Pexternal and the V change is also infinitesimal. A isothermal expansion is an expansion with constant temperature.
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Katelyn 2E
Posts: 35
Joined: Sat Jul 22, 2017 3:01 am

Re: Reversible vs Isothermal

Postby Katelyn 2E » Sun Jan 21, 2018 2:43 am

Just to be clear, Dr. Lavelle said this wouldn't be on this week's test right?
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