Abstract
It is shown that the speed of sound in the
simple liquids A, N2, O2, CH4 conforms to the
principle of corresponding states as formulated by de Boer in molecular units.
The lighter liquids H2 and He show negative deviations which are
proportional to their quanta1 parameters Λ*. CCl4
shows a positive deviation which is most likely due to a difference in the form
of its intermolecular potential from that of the other liquids.
A simple theory is presented for the speed
of sound in a hypothetical liquid at absolute zero. The calculated value is
consistent with the experimental data at finite temperatures.
Cited by
16 articles.
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