Specific __________ does not change during phase change at constant temperature and pressure.
A. Entropy
B. Gibbs energy
C. Internal energy
D. Enthalpy
Answer: Option B
Solution (By Examveda Team)
We know specific Gibbs free energy is:$$dG=vdp-sdT$$ for pure substance so, under constant temperature and pressure the gibbs free energy is equal to zero.
This Question Belongs to Chemical Engineering >> Chemical Engineering Thermodynamics
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