Salma Ahmed
English Lit. GCSE Student
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Osmosis Coursework
- Words:
- 1599
- Submitted:
- Thu Jul 11 2002
Have a little read: ... OSMOSIS COURSEWORK INFORMATION Diffusion Diffusion is the movement of molecules of a substance from an area where they are in higher concentration to one where their concentration is lower. Where the concentration of a solute is low, the concentration of the solvent will be high, so it's molecules will move the other way until the concentration is equal. SOLUTES are dissolved in a fluid - A SOLVENT, which is normally water. Many substances such as oxygen and carbon dioxide diffuse in to and out of cells. This is an example of how diffusion balances the molecules. The mixture reaches a state of equilibrium, in which the molecules of both substances are evenly mixed in the container The rate of diffusion depends on how heavy the molecules are. Heavy molecules diffuse more slowly than light molecules. Diffusion of matter occurs most rapidly in gases, more slowly in liquids, and most slowly in solids. The spreading of a smell
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