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Diffusion is faster at higher temperatures because the gas molecules have greater kinetic energy. Effusion refers to the movement of gas particles through a small hole. Graham's Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles. 2.9: Graham's Laws of Diffusion and Effusion.
Oct 27, 2022 · The lighter gas, H 2, passes through the opening faster than O 2, so just after the stopcock is opened, more H 2 molecules move to the O 2 side than O 2 molecules move to the H 2 side. (c) After a short time, both the slower-moving O 2 molecules and the faster-moving H 2 molecules have distributed themselves evenly on both sides of the vessel.
The lighter gas, H 2, passes through the opening faster than O 2, so just after the stopcock is opened, more H 2 molecules move to the O 2 side than O 2 molecules move to the H 2 side. (c) After a short time, both the slower-moving O 2 molecules and the faster-moving H 2 molecules have distributed themselves evenly on both sides of the vessel.
Dec 18, 2023 · Thomas Graham, a Scottish chemist, formulated this law in the 19th century, stating that the rate of effusion or diffusion of a gas is inversely proportional to the square root of its molar mass ...
Oct 10, 2023 · At higher temperatures, therefore, the molecules of a gas move more rapidly than at lower temperatures, and v p increases. The rms speed and the average speed do not differ greatly (typically by less than 10%). The distinction is important, however, because the rms speed is the speed of a gas particle that has average kinetic energy.
The lighter gas, H 2, passes through the opening faster than O 2, so just after the stopcock is opened, more H 2 molecules move to the O 2 side than O 2 molecules move to the H 2 side. (c) After a short time, both the slower-moving O 2 molecules and the faster-moving H 2 molecules have distributed themselves evenly on both sides of the vessel.
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The lighter gas, H 2, passes through the opening faster than O 2, so just after the stopcock is opened, more H 2 molecules move to the O 2 side than O 2 molecules move to the H 2 side. (c) After a short time, both the slower-moving O 2 molecules and the faster-moving H 2 molecules have distributed themselves evenly on both sides of the vessel.
