You are designing a process in which benzene is used as a solvent. In order to size process equipment, you need to know the properties at several conditions. Estimate the following quantites.

A. The molar volume at the critical point.

B. The molar volume in the liquid phase at T = 500°R and P = 1 atm.

C. The molar volume in the vapor phase at T = 800°R and P = 4 atm.

D. The change in molar enthalpy when benzene is heated and compressed from T = 500°R and P = 1 atm to T = 800°R and P = 4 atm.