+1 vote
in Mass Transfer by (38.2k points)
In which of the following conditions mass transfer will occur spontaneously? C and z is concentration and distance respectively.

(a) dC/dz>0

(b) dC/dz<0

(c) dC/dz=0

(d) None of the Mentioned

I got this question by my school teacher while I was bunking the class.

The origin of the question is Concentration and Velocity in portion Modes and Diffusion of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Correct option is (b) dC/dz<0

The explanation is: Mass transfer occurs in the direction of decreasing concentration.

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