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Application of the - • An increase in temperature means...

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Application of the "Kinetic Molecular Theory" to the Gas Laws Effect of a volume increase at a constant temperature Constant temperature means that the average kinetic energy of the gas molecules remains constant This means that the rms speed of the molecules, u , remains unchanged If the rms speed remains unchanged, but the volume increases, this means that there will be fewer collisions with the container walls over a a given time Therefore, the pressure will decrease (Boyle's law) Effect of a temperature increase at constant volume
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Unformatted text preview: • An increase in temperature means an increase in the average kinetic energy of the gas molecules, thus an increase in u • There will be more collisions per unit time, furthermore, the momentum of each collision increases (molecules strike the wall harder) • Therefore, there will be an increase in pressure • If we allow the volume to change to maintain constant pressure , the volume will increase with increasing temperature (Charles's law)...
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