Isothermal, irreversible?

isochoric/isometric:
isothermal:
isobaric:

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Hyein Cha 2I
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Isothermal, irreversible?

Postby Hyein Cha 2I » Sun Feb 18, 2018 8:12 pm

Is delta U = 0 for isothermal, reversible processes only or does it also apply to irreversible ones?

Mika Sonnleitner 1A
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Re: Isothermal, irreversible?

Postby Mika Sonnleitner 1A » Sun Feb 18, 2018 8:32 pm

This only occurs when the reaction is isothermal, because in the equation ΔU=(3/2)nRΔT, if there is no change in temperature, then there will be no change in internal energy.

Nisarg Shah 1C
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Joined: Sat Jul 22, 2017 3:00 am

Re: Isothermal, irreversible?

Postby Nisarg Shah 1C » Sun Feb 18, 2018 8:36 pm

It only has to do with isothermal reactions not about reversibility or irreversibility.

Joshua Hughes 1L
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Re: Isothermal, irreversible?

Postby Joshua Hughes 1L » Sun Feb 18, 2018 8:39 pm

it should apply both to reversible and irreversible reactions so long as it is isothermal. often times though it seems like our class focuses on reversible isothermal examples (like on the midterm)

Ridhi Ravichandran 1E
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Re: Isothermal, irreversible?

Postby Ridhi Ravichandran 1E » Sun Feb 18, 2018 9:05 pm

delta U equals 0 for isothermal reactions that are both reversible and irreversible. Additionally, it does not need to be an isothermal expansion, it can be a compression as well.


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