For a mixture of 0.0786 mol of C2H4 and 0.1214 mol of CO2 in a 700.0-cm3 container at 40°C, calculate the pressure using (a) the ideal-gas equation; (b) the van der Waals equation, data in Table 8.1, and the C2H4 critical data Tc 282.4 K, Pc = 49.7 atm; (c) the experimental compression factor Z = 0.9689.

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