Describe two variables that affect the rate of diffusion

The two variables affecting the rate of diffusion are the concentration gradient and size of the molecule. Concentration gradient: The movement of the substance is generally along the concentration gradient of the solute and it moves from a region of its higher concentration to a region of its lower concentration.

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Parrain Parrain · Answer 2 · 2021-09-09T15:10:25+02:00

Two variables that affect the rate of diffusion are:

temperature
distance to be travelled

Diffusion is the process by which particles from an area where they are in high concentration move to an area where they are in low concentration.

Certain things affect the speed at which this happens such as:

Temperature - when the temperature is high, the particles will gain kinetic energy which will help them move to the area of low concentration faster.
Distance to be travelled - if the distance to be travelled by the particles to get to the area of low concentration is small, diffusion would happen faster.

In conclusion, both temperature and the distance to be travelled by the particles impart diffusion.

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