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Maxwell-Boltzmann Distributions

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The Maxwell-Boltzmann distribution describes the probability of finding a molecule traveling within a given speed range.  This distribution shifts, depending on the mass of the molecules and the temperature of the gas sample. f(u) = 4p{    M    }   u2   e -Mu2 3/2 RT 2pRT         Question: A: If the temperature of gas 1 is double that of gas 2, what is the relative mass of the two gases that will make their average speed the same. 1: u1 = double u2 2: u1= twice u2 3: u1 = u2 4: u12 = half of u22 5: u12 = double u22.

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