1.2.4 Thermal molecular velocity
Gas molecules in a vessel move back and forth in different directions and at different speeds. Their velocity distribution corresponds to a bell curve having its peak at the most probable velocity
Formula 1-6:
Probable velocity
The mean thermal velocity is
Formula 1-7:
Mean velocity
The following table shows values for selected gases.
Table 1.4:
Molar masses and mean thermal velocities of various gases
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