What factors effect diffusion?

There are many factors that can affect the rate of diffusion. Some of these factors include:

1) The nature of the diffusing substance: Some substances diffuse more readily than others. For example, gases diffuse more easily than liquids or solids. This is because the molecules of a gas are much further apart than those of a liquid or solid, so they have more room to move around. Additionally, some molecules are just naturally better at diffusing than others.

2) The concentration gradient: The steeper the concentration gradient (the difference in concentration between two areas), the faster diffusion will occur. This is because there is a greater driving force for the molecules to move from an area of high concentration to an area of low concentration.

3) The temperature: In general, increased temperature will lead to increased diffusion rates. This is because higher temperatures mean that the particles have more kinetic energy and thus are moving around more rapidly. However, there are some exceptions to this rule – for example, certain gases will actually diffuse slower at higher temperatures due to collisions with other particles becoming more likely.

4) The presence of obstacles: If there are obstacles present (such as walls or other molecules), it will take longer for diffusion to occur since the particles have to navigate their way around these obstacles. Additionally, if the pores through which diffusion is taking place are very small, this can also impede diffusion rates since it becomes harder for particles to get through them.