Abstract
Ultrasonic velocity(U), density(ρ) and viscosity(η) measurements have been taken in two ternary liquid mixtures Ethylene glycol + cyclohexanone + Isopropyl acetate and Ethylene glycol + cyclohexanone + Isobutyl acetate with fixed mole fraction (0.4) of cyclohexanone, at different temperatures with increasing mole fraction of ethylene glycol. The experimental data has been used to calculate the free volume, molar volume, internal pressure, enthalpy, Gibbs free energy, Molar sound velocity and their excess values. They have been analysed to discuss the nature and strength of intermolecular interactions in these mixtures. The compositional variation of excess parameters have been correlated using the Redlich-Kister equation.
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