Question

what is meant by diffusion

Answer 1

the movement of molecules from a higher concentration to a lower concentration when in contact is diffusion

Answer 2

Answer:

Diffusion is a physical process where molecules of a material move from an area of high concentration (where there are many molecules) to an area of low concentration (where there are fewer molecules)until it has reached equilibrium (molecules evenly spread). ... Diffusion can only work with gases and liquids.