If the molar enthalpy of a binary mixture of benzene and cyclohexane is described by the following function H=3399+4516x13215x12 at 20C and 1.0 bar, and where the units of H are J/mol, find the following: a. the partial molar enthalpy of the benzene in an equimolar mixture at 20C and 1.0 bar; b. the partial molar enthalpy of the cyclohexane in an equimolar mixture at 20C and 1.0 bar; c. the molar enthalpy of pure cyclohexane at 20C and 1.0 bar