Ethanol's enthalpy of vaporization is 38.7kJmol-1 at its normal boiling point, 780. Calculate q,w,ΔU,ΔSsys , and △G when 1.00mol ethanol is vaporized reversibly at 780 and 1 atm. Assume that the vapor is an ideal gas and neglect the volume of liquid ethanol relative to that of its vapor.