(a) Define diffusion (b) State two factors that affect the rate of diffusion
PHYSICS
WAEC 2019
(a) Define diffusion
(b) State two factors that affect the rate of diffusion
Explanation
(a)Definition of diffusion; The process by which molecules of different substances move randomly among one another.
OR
Intimate mixing of molecules/atoms/particles of different substance (as a result of kinetic energy)
(b)Factors that affect the rate of diffusion
- density of substance
- mass of substance
- temperature
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