Use the result of Problem 5.20 (b) to calculate the difference, cP - cv, for liquid acetone at 20°C and 1 bar. Data can be found in Table 4.4. Repeat for benzene and copper. How do the values you obtain for cv compare to the value for cP? Explain.

Problem 5.20(b)

Verify that:

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TABLE 4.4 Molar Volume, Thermal Expansion Coefficient, and Isothermal Compressibility of Some Liquid and Solid Species at 20C and 1 bar v[cm/mol] B[K-1] 10 Liquid Acetone Benzene Methanol Ethanol n-Hexane Mercury Solid Aluminum Copper Iron Diamond 73.33 86.89 39.56 58.24 130.77 14.75 9.96 7.11 7.10 3.42 1.49 1.24 1.12 1.12 0.181 0.0672 0.0486 0.035 0.0036 K[Pa-] 1010 12.7 9.4 12.1 11.1 15.5 0.40 0.145 0.091 0.048 0.010