Factors Affecting Rate of Diffusion

There are four factors that are affecting the rate of diffusion.

  • Concentration Gradient: The difference in concentration between the two regions will affect the rate of diffusion. A steeper concentration gradient leads to faster diffusion.
  • Temperature: As the temperature increases that will increase the kinetic energy of molecules, thereby the molecules move faster and collide with each other which will lead to an increase in diffusion
  • Molecular Size: If the molecular size is smaller then larger will be the diffusion, because they can move through gaps in the medium more easily
  • Nature of Medium: The nature of the medium will play a key role in diffusion because the impact rate of diffusion depends on the factors such as density, solubility, etc influence the ease of diffusion.

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Diffusion Formula

Diffusion Formula is the mathematical expression to calculate the rate of diffusion which is explained in detail in this article. As we know, diffusion is defined as the movement of molecules from a higher concentration to a lower concentration. The concept of diffusion plays an important role in some natural and artificial phenomena.

Diffusion is responsible for various phenomena in everyday life such as the mixing of two or more substances, the exchange of gases etc. This article deals with a formula for the rate of diffusion, while also discussing the basics of diffusion as well. Other than that, we will also discuss how to calculate the rate of diffusion and the factors affecting the rate of diffusion as well. Let’s start our learning journey on the topic named “Diffusion Formula”.

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What is Diffusion?

Diffusion is a fundamental process by which particles, molecules, or substances spread out or disperse from an area of high concentration to an area of low concentration. It occurs due to the random motion of particles, driven by their kinetic energy. As particles move, they collide and interact with one another, leading to the gradual equalization of concentration across a given space. This phenomenon is observed in various natural and man-made systems, such as the diffusion of gases in the atmosphere, the spreading of dyes in a liquid, or the movement of substances across cell membranes....

What is Diffusion Rate Formula?

Diffusion is defined as the net movement of anything from a higher concentration to a lower concentration, whereas the diffusion rate formula describes the rate at which particles spread out or move from an area of higher concentration to a lower concentration. it measures the process of diffusion by considering factors such as the diffusion coefficient, surface area, concentration difference, and distance over which diffusion occurs. It is a mathematical representation of the phenomenon of diffusion....

Factors Affecting Rate of Diffusion

There are four factors that are affecting the rate of diffusion....

Solved Examples on Diffusion Rate Formula

Example 1: A gas with a diffusion coefficient of 0.02 cm2/s spreads through a container with a surface area of 50 cm2. The concentration difference between the two sides of the container is 0.1 mol/cm3, and the distance over which diffusion occurs is 2 cm. Calculate the rate of diffusion....

FAQs on Diffusion Formula

1. What is Diffusion?...

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