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Diffusion Definition

Chemistry Glossary Definition of Diffusion


Diffusion is a natural mass transport mechanism.

Diffusion is a natural mass transport mechanism that moves matter from area of high concentration to those of low concentration.

JrPol, Creative Commons License
Definition: Movement of a fluid from an area of higher concentration to an area of lower concentration. Diffusion is a result of the kinetic properties of particles of matter. The particles will mix until they are evenly distributed.

Example: H2S(g) in a test tube will slowly diffuse into the air of a lab until equilibrium is reached
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