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Diffusion

Diffusion

About

Molecular diffusion, often called simply diffusion, is a net transport of molecules from a region of higher concentration to one of lower concentration by random molecular motion. The result of diffusion is a gradual mixing of material. In a phase with uniform temperature, absent external net forces acting on the particles, the diffusion process will eventually result in complete mixing or a state of equilibrium. Basically, it is the movement of molecules from an area of high concentration to a lower area.

A concentration gradient is the difference between concentrations in a space.

When the molecules are evenly balanced throughout a space - it is called EQUILIBRIUM (balance).

References

Links

Video

thumb|300px|right|Diffusion and Osmosis

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