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E-Journal of Chemistry
Volume 9, Issue 3, Pages 1332-1335
http://dx.doi.org/10.1155/2012/681241

Study of Molecular Interactions in Binary Liquid Mixtures by Acoustical Method at 303K

1Ultrasonic Laboratories, Department of Physics, Andhra University, Visakhapatnam – 530 003, India
2Department of Engineering Chemistry, Andhra University, Visakhapatnam – 530 003, India

Received 17 July 2011; Accepted 5 September 2011

Copyright © 2012 Hindawi Publishing Corporation.. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Ultrasonic velocity and density measurements were made in two binary liquid mixtures Isopropyl acetate (IPA) and Isobutyl acetate (IBA) with cyclohexanone (CY) as a common component at 303K, at fixed frequency of 2MHz using single crystal variable path interferometer and specific gravity bottle respectively. The experimental data have been used to calculate the acoustic impedance, adiabatic compressibility, inter molecular free length and molar volume. The excess thermodynamic parameters have been evaluated and discussed in the light of molecular interactions.