Which of these factors has the LEAST impact on the rate of diffusion?

According to Fick's first law of diffusion, what is the relationship between the flux (J) and the concentration gradient (dC/dx)?

What is the primary driving force behind diffusion?

Which of the following substances would you expect to diffuse the fastest in a given medium, assuming all other factors are constant?

What effect does increasing the temperature typically have on the rate of diffusion?

What is 'effusion', and how does it relate to diffusion?

In the context of diffusion across a cell membrane, what does 'facilitated diffusion' require?

Which of these scenarios best illustrates diffusion in everyday life?

Graham's Law of Diffusion states that the rate of diffusion of a gas is inversely proportional to the square root of its:

Why does diffusion occur more rapidly in gases than in liquids or solids?