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Feb 16, 2020 · About the Author. Diffusion occurs when particles move from an area of high concentration to an area of low concentration. The factors affecting rate of diffusion are: concentration, temperature, mass of the particle and properties of the solvent in which diffusion occurs. Faster movement equals faster diffusion.
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Feb 13, 2023 · For a gas, the rate at which diffusion occurs is proportional to the square root of the density of the gas. The density of a gas is equal to the mass of the gas divided by the volume of the gas. If the volume is held constant one gas is compared with another with another, R2 R1 = M1 M2− −−−√ R 2 R 1 = M 1 M 2.
Nov 21, 2023 · Diffusion is defined as the movement of atoms, ions, and molecules from a region of high concentration to a region of low concentration, or ‘down their concentration gradient ’. The word ‘diffusion’ is derived from the Latin word, ‘diffundere’, meaning ‘to spread out’. The random movement of ‘molecules existing in any state of ...
Graham’s law is an empirical relationship that states that the ratio of the rates of diffusion or effusion of two gases is the square root of the inverse ratio of their molar masses. The relationship is based on the postulate that all gases at the same temperature have the same average kinetic energy (recall that a result of the Kinetic ...
The greater the surface area, the faster the rate of diffusion. Factor: The concentration gradient: Reason: The greater the difference in concentration, the quicker the rate of diffusion.
Oct 31, 2023 · Diffusion is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. You are familiar with diffusion of substances through the air. For example, think about someone opening a bottle of ammonia in a room filled with people.
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The rate of diffusion is determined by three factors: Surface area, difference in concentration and diffusion distance. These factors combine into Fick's law: rate \space of \space diffusion = \frac {surface \space area \times concentration \space difference } {thickness \space membrane} rate of dif f usion = thickness membranesurf ace area× ...
