Interpretation of the Excess Molar Volumes and Excess Molar Compressions of Pentan-1-ol + Octan-1-ol Mixtures on the Basis of the Homomorph Concept

The densities and speeds of sound in pentan-1-ol + octan-1-ol, pentan-1-ol + nonane and hexane + nonane binary systems have been measured over the whole composition range from 293.15 to 313.15 K. For comparison, literature data for the hexane + octan-1-ol mixture have also been analyzed. The quantities determined have been plotted as functions of temperature and composition. The excess molar volumes and excess molar compressions have been interpeted on the basis of the homomorph concept.