Mass Transfer
__________ is concerned with the adsorption equilibria.

None of these
Fick's law
Freundlich equation
Gibb's equation

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Mass Transfer
The term "approach" in a cooling tower refers to the difference in the temperature of the

Hot water entering the tower and the wet bulb temperature of the surrounding air
Hot water entering and the cooled water leaving the cooling tower
Cold water leaving the tower and the wet bulb temperature of the surrounding air
None of these

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Mass Transfer
Molecular diffusion is caused by the

Potential energy of the molecules
Transfer of molecules from low concentration to high concentration region
Thermal energy of the molecules
Activation energy of the molecules

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