The mean free path of the molecules of two gases having molecular diameters and is N: 1. Gases are under identical conditions of temperature, pressure and volume. Find N.
Mean free path is given by
Where, n = number density of molecules and d = molecular diameter.
Since, pressure, volume, temperature are same, using PV= nRT, number of moles (and hence number of molecules) is also same.
Hence, required ratio is .
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Calculate the ratio of the mean free paths of the molecules of two gases having molecular diameters 1 and 2 . The gases may be considered under identical conditions of temperature, pressure and volume.
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