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Isobaric

Posted: Tue Mar 13, 2018 7:42 pm
by Lauryn Jordan 1F
for an isobaric equation, since delta p = 0, is the internal energy = delta h?

Re: Isobaric

Posted: Tue Mar 13, 2018 7:50 pm
by Aya Shokair- Dis 2H
Isobaric means constant P. ΔU=w + q
At constant P, the change in heat is equal to the change in enthalpy by definition.
At constant P, w= -P(ex)ΔV.

So, the ΔU= ΔH -P(ex)ΔV in isobaric conditions.