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Chemical Engineering · Q15

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 15

Q15

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

A.
μ° + RT lnf
Answer
B.
μ°+ R lnf
C.
μ° + T lnf
D.
μ° + lnf

Answer: Option A

Solution

Answer: Option A
Solution:
The chemical potential and fugacity of an real gas is related by :

Where   standard fugacity given