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What is the molecular description of diffusion?

Megan Page

in Chemistry

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Brandon Scott on May 31, 2018

In the first place, we must understand what diffusion is! Diffusion is the movement of particles from high concentration to a low concentration, in order to achieve balance. The cells, in particular, need this to maintain homeostasis, or internal equilibrium (stability). What is meant by the molecular size or composition, maybe? The larger particles are more difficult to move than the smaller molecules. In addition, the physical constitution of a particle affects the rate of diffusion. I think of a mouse squeezing under a door in front of a rock, of the same size. A mouse will more easily be able to pass through the gap

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