Abstract
ULTRASONIC STUDIES OF MOLECULAR INTERACTIONS IN BINARY LIQUID MIXTURES

Dr. A. Suryanarayana Reddy and M. Satyanarayana*

ABSTRACT

The various acoustical parameters such as adiabatic compressibility, absorption coefficient, relaxation time, free length, free volume, internal pressure, cohesive energy, acoustic impedance and available volume, have been evaluated from the measured ultrasonic velocity, density and viscosity values for the six binary mixtures. The value of molecular interaction parameter (Χ U) indicates the strength of molecular interactions. The excess thermodynamic parameters such as excess ultrasonic velocity, excess compressibility, excess free volume, excess free length and excess impedance have been determined for all the six binary liquid mixtures.

Keywords: Binary Liquid Mixture, absorption coefficient, Benzene and carbon tetrachloride.


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