Chemical Engineering > GATE 2022 > Phase Equilibrium
For a single component system at vapor-liquid equilibrium, the extensive variables 𝐴, 𝑉, 𝑆 and 𝑁 denote the Helmholtz free energy, volume, entropy, and number of moles, respectively, in a given phase. If superscripts (𝑣) and (𝑙) denote the vapor and liquid phase, respectively, the relation that is NOT CORRECT is
A
(βˆ‚A(l)/βˆ‚V(l))T,N(l)=(βˆ‚A(v)/βˆ‚V(v))T,N(v)
B
(βˆ‚A(l)/βˆ‚N(l))T,V(l)=(βˆ‚A(v)/βˆ‚N(v))T,V(v)
C
(A+PV/N)(l)=(A+PV/N)(v)
D
(A+TS/N)(l)=(A+TS/N)(v)

Correct : d

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