Discussion :: Chemical Engineering Thermodynamics
- The necessary condition for phase equilibrium in a multiphase system of N components is that the
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A.
Chemical potentials of a given component should be equal in all phases |
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B.
Chemical potentials of all components should be same in a particular phase |
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C.
Sum of the chemical potentials of any given component in all the phases should be the same |
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D.
None of these |
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Answer : Option A
Explanation :
For Thermodynamic equilibrium to exist between the phases the phases should have same pressure (so mechanical equilibrium exists) and to satisfy the thermal equilibrium the temperature between the phases should be same similarly, for chemical equilibrium to exist the chemical potential of a constituent between all the phases should be the same.
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