(a) Explain diffusion
(b) State one factor that can affect the rate of diffusion.
Verified Correct Answer: .
Physical Principles & Numerical Solution
Diffusion is the tendency of a gas to mix with another and fill an empty space as a result of the constant random motion of the molecules
(b) Factors affecting rate of diffusiom are;
(i) mass
(ii) temperature
(iii) density
Source: Myschool Past Questions Archive (Record #54016)