Explanation of Some Phenomena Using Kinetic Energy
Let’s now discuss diffusion and Brownian motion, two instances which made scientists believe that molecules in all substances move, even though at different speeds.
Diffusion
Diffusion is the natural tendency of molecules to flow from higher concentrations to lower concentrations. The rate of diffusion depends on the weight of the molecules – heavy molecules diffuse more slowly than light molecules.
Diffusion is defined as the movement of…

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