Question: Suppose a particular molecule is diffusing a certain distance through a particular substance. By what factor will the diffusion time change if (a) The distance

Suppose a particular molecule is diffusing a certain distance through a particular substance. By what factor will the diffusion time change if 

(a) The distance is doubled, 

(b) The absolute temperature is increased by a factor of two, and 

(c) The mass of the molecule is doubled?

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