Chemical Engineering Thermodynamics
Refrigeration cycle

Both A and B
Violates second law of thermodynamics
Neither A nor B
Involves transfer of heat from low temperature to high temperature

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

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