Diffusion

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  • Created by: Sophie
  • Created on: 27-11-11 18:33

Diffusion happens when the particles of a gas or any substance in solution spread out.

It is the movement from high concentration to low concentration. It takes place because of the random movement of particles. All the particles are moving and bumping into each other and this moves them all around. 

Rates of diffusion.

if there is a big difference between concentration then diffusion will seem to take place quickly, but if the difference is small then it will seem like it is taking longer because there are also particles moving from the less concentrated area to the

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