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The determination of the gas constant from the speed of sound in argon at 273.16 K requires an estimate of the corrections due to the imperfection of the gas. These corrections are calculated both from measured values of the second virial coefficient, and from the Ar-Ar intermolecular potential. The results suggest th at the recent measurements of the speed of sound by Quinn, Colclough & Chandler (1976) lead to a gas constant of (8.3148 ± 0.0003) JK-1mol-1 which is a little above the presently accepted value, but not outside the sum of the estimated errors ol the two results.
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Rowlinson et al. (1978) studied this question.
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