Chemical Engineering Thermodynamics
The necessary condition for phase equilibrium in a multiphase system of N components is that the

Chemical potentials of a given component should be equal in all phases
None of these
Chemical potentials of all components should be same in a particular phase
Sum of the chemical potentials of any given component in all the phases should be the same

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Chemical Engineering Thermodynamics
Which of the following is true for Virial equation of state?

For some gases, Virial equations and ideal gas equations are the same
Virial co-efficients are function of temperature only
Virial co-efficients
Virial co-efficients are universal constants

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