Question

Component A is diffusing in a medium B. The flux Nᴀ relative to a stationary point is equal to the flux due to molecular difusion, if

a.

mass transfer is accompanied by reaction.

b.

diffusion of A is in stagnant medium B.

c.

molecular mean free path is high.

d.

there is equimolar counter diffusion.

Answer: (d).there is equimolar counter diffusion.

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Q. Component A is diffusing in a medium B. The flux Nᴀ relative to a stationary point is equal to the flux due to molecular difusion, if

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