Chemical Engineering Thermodynamics
When liquid and vapour phase of multi-component system are in equilibrium (at a given temperature and pressure), then chemical potential of each component is

More in vapour phase
More in liquid phase
Same in both the phases
Zero in both the phases

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Chemical Engineering Thermodynamics
The second law of thermodynamics states that

None of these
The energy change of a system undergoing any reversible process is zero
It is not possible to transfer heat from a lower temperature to a higher temperature
The total energy of system and surrounding remains the same

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