Excess enthalpies and excess volumes for n-hexane + 2-methylpentane, + 3-methylpentane and + 2,3-dimethylbutane at 283.15, 298.15 and 313.15 K

Abstract

Excess enthalpies and excess volumes were determined over the entire composition range and at the three temperatures 283.15,298.15 and 313.15 K for mixtures of n-hexane with the three isomeric hexanes: 2- methylpentane, 3-methylpentane and 2,3-dimethylbutane. The excess enthalpies were measured with a microflow calorimeter and the excess volumes with a vibrating-tube densimeter.    

The results are correlated with the molecular shape of the isomeric hexane.