Ideal gas is kept inside a container allowed to expand , Chemistry

If an ideal gas is kept inside a container with movable piston, and is allowed to expand ISOTHERMALLY, then pressure exerted by the gas on the container wall decreses. Why?

What happens to the rate of collision of gas particles with container walls?

Solution)  Isothermal expansion T = constant

Hence PV = const

As for expansion volume increases hence pressure decreases

As P = 1/2 rho V^2

as p decreases v decreases which is rms speed of gas molecules and thus rate of collision of gas particl;es in container decrease

Posted Date: 3/11/2013 8:04:18 AM | Location : United States







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