Chemical Engineering - Mass Transfer - Discussion

Discussion Forum : Mass Transfer - Section 13 (Q.No. 47)

Mass Transfer

47.

Pick out the wrong statement.

The binary diffusivity in liquids is of the order of 10^-5 cm² /sec.

Molecular diffusion in solid is much faster than that in liquids.

Particles movement from higher concentration to lower concentration takes place in diffusion process.

According to Poiseuille's law, the permeability decreases with increase in temperature for flow of a gas through a given capillary.

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