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A substance as elementary and well known as argon still receives research attention. Stewart and Jacobsen have published a review of thermodynamic properties of argon that included the following 300 K isotherm.
p/MPa
0.4000
0.5000
0.6000
0.8000
1.000
Vm/(dm3mol-1)
6.2208
4.9736
4.1423
3.1031
2.4795
1.500
2.000
2.500
3.000
4.000
1.6483
1.2328
0.98357
0.81746
0.60998
(a) Compute the second virial coefficient, B, at this temperature.
(b) Use non-linear curve-fitting software to compute the third virial coefficient, C, at this temperature.
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