Why do we use the concept of Gibbs's free energy in Ehrenfest's theory of phase transformation ? Why don't we use Helmholtz free energy concept?
chrisysakh
Open question
2022-08-19
Answer & Explanation
Catherine Kirby
Beginner2022-08-20Added 10 answers
If the phase change doesn't involve a significant change in volume, or very low pressure, then the Helmholtz can be used instead. Biologists often play loose with which Free Energy they're referring to because they deal with small changes in volume and it doesn't matter.
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