Toluene is hydrodealkylated to benzene, with a conversion per pass through the reactor of 70%. The toluene must be recovered and recycled. Typical conditions for the feed to a commercial distillation unit are 100^οF, 20 psia, 415 lbmol/h of benzene, and 131 lbmol/h of toluene. Using the property constants below, and assuming the ideal-gas, ideal-liquid-solution model of Table 2.4, prove that the mixture is a liquid and estimate v_L and p_L in American Engineering units.
Property constants for (2-39) and (2-38), with T in K, are:

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M, kg/kmol P", torr: k₁ k₂ k3 K4, K5, K6 PL, kg/m³: A B Te Benzene 78.114 15.900 -2,788.51 -52.36 0 304.1 0.269 562.0 Toluene 92.141 16.013 -3,096.52 -53.67 0 290.6 0.265 593.1