At equilibrium condition, the chemical potential of a material in different phas

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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.)

Options:

A . μ° + RT ln f

B . μ°+ R lnf

C . μ° + T lnf

D . μ° + R/T lnf

Answer: Option A

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