ansew please

Problem 3. (15 points) The normal boiling point of benzene is 80.1 C (353.25 K). The 4 His 30.8 kJ. mol-. Calculate the vapor pressure at 20 C (293.15 K). Suppose 1,2-dimethylbenzene(A) and 1,3-dimethylbenzene(B) can form ideal solution. (1) Calculate the Gibbs energy, entropy, and enthalpy of mixing when 1.00 mol of A is mixed with 3.00 mol of B at 298 K. Does the mixing process occur spontaneously? Explain. (2) At 90 C, the vapor pressure of 1,2-dimethylbenzene(A) is 20 kPa and that of 1.3-dimethylbenzene() is 18 kPa. Find the composition of a liquid mixture (ideal solution) that boils at 90 C when the total pressure is 19.5 kPa. What is the composition of the vapor ( x )