Abstract
II. LET us now return to the case of a highly rarefied gas in which the pressure is due entirely to the motion of its particles. It is easy to calculate the mean square of the velocity of the particles from the equation of Clausius, since the volume, the pressure, and the mass are all measurable quantities. Supposing the velocity of every particle the same, the velocity of a molecule of oxygen would be 461 metres per second, of nitrogen 492, and of hydrogen 1844, at the temperature 0° C.
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CLERK-MAXWELL, J. On the Dynamical Evidence of the Molecular Constitution of Bodies * . Nature 11, 374–377 (1875). https://doi.org/10.1038/011374a0
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DOI: https://doi.org/10.1038/011374a0
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