For the same reason it occurs anywhere— stuff moves from high concentration to low, because random chance in collisions favors things to spread out.
Diffusion does not happen at all in solids because the particles in a solid can only vibrate on the spot, rather than being able to move from place to place.
Diffusion occurs when particles spread. They move from a region where they are in high concentration to a region where they are in low concentration. Diffusion ...
Jun 11, 2014 ... Diffusion is a process that occurs when a substance such as water, molecules, and ions, which are usually needed for various cellular ...
May 14, 2016 ... The reason that you do not feel them is because they are too small. Also, you need to understand ... can be reached.That's why diffusion occurs.
This can apply to molecules, atoms, ions, particles, information or cultural elements. Sometimes diffusion happens on its own and sometimes there is something ...
Diffusion occurs due to the thermal displacement of atoms or molecules, which cause these particles to randomly move in various media, such as solids, liquids ...
This model describes how diffusion occurs between two adjacent solids. Diffusion is one of the ... Do you think the metal will ever become completely diffused?
Diffusion of oxygen and carbon dioxide gas occurs in the lungs. ... The advantage of diffusion is that it does not require as much energy to regulate, as opposed ...