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==Ficks Law==
==Ficks Law==
Q = DA((C<sub>1</sub> - C<sub>2</sub>) ÷ L)
'''Q = DA((C<sub>1</sub> - C<sub>2</sub>) ÷ L)'''
'''Q''' = the transport rate of a substance by diffusion '''D''' = The diffusion coefficent '''A''' = The cross sectional area which the substance is to diffuse accross '''C<sub>1</sub> - C<sub>2</sub>''' = The concentrations in the two areas '''L''' = distance seperating the two areas