why is rms velocity more suitable than average velocity in determining the kinetic energy of gases?
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How is the mass or velocity of a gas particle related to its kinetic energy?
Thus, the average kinetic energy of the gas particles increases as the gas becomes warmer. Because the mass of these particles is constant, their kinetic energy can only increase if the average velocity of the particles increases.
How do you find the average velocity of a gas?
The root-mean-square speed measures the average speed of particles in a gas, defined as vrms=√3RTM v r m s = 3 R T M .
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