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The type of substance - substances diffuse more quickly through gases than through liquids. This is because the particles in a gas are more spread out and move faster than the particles in a liquid.
Dec 18, 2023 · Lighter molecules move faster than heavier ones, showcasing the impact of mass on the speed of gas particles. Graham's Law, named after Scottish chemist Thomas Graham, is a fundamental principle ...
The lighter gases pass through the small openings more rapidly (at a higher rate) than the heavier ones (Figure \(\PageIndex{2}\)). In 1832, Thomas Graham studied the rates of effusion of different gases and formulated Graham’s law of effusion : The rate of effusion of a gas is inversely proportional to the square root of the mass of its particles :
Forces. of attraction between the particles hold them together and keep them in place. The particles in solids are arranged in a regular way. The particles in solids move only by vibrating about a ...
Oct 10, 2023 · An increase in average kinetic energy can be due only to an increase in the rms speed of the gas particles. If the rms speed of the N 2 molecules increases, the average speed also increases. If, on average, the particles are moving faster, then they strike the container walls with more energy.
This results in an increase in the kinetic energy of the particles. Not all particles of gas in a sample have the same speed and so they do not have the same kinetic energy. The temperature of a gas is proportional to the average kinetic energy of the gas particles. Figure 13.1.1: Gas particles are in random straight-line motion according to ...
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Graham later studied the diffusion of salts into liquids and discovered that the diffusion rate in liquids is several thousand times slower than in gases. This seems relatively obvious to us today, as we know that the molecules of a gas move faster and are more spread out than molecules in a liquid. Therefore, the movement of one substance ...
