Journal of Pure and Applied Ultrasonics

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Molecular Interactions in Binary Liquid Mixtures-An Ultrasonic Study


Affiliations
1 Department of Basic Science, Shri Vishnu Engineering College for Women, Bhimavaram-534202, India
2 Department of Physics, V.R. Siddhartha Engineering College, Vijayawada-520007, India
3 Department of Physics, Rayalaseema University, Kurnool-518002, India
4 Department of Physics, VSR & NVR College, Tenali-522201, India
 

The densities and speed of sound of the binary mixture1, 4-butanediol with γ-picoline have been measured over the entire composition range in the temperature range 303.15 to 318.15 K at ambient pressure. From the experimental data, the excess molar volume, excess isentropic compressibility and excess molarisentropic compressibility have been calculated. The excess partial molar volume, excess partial molar isentropic compressions and their limiting values at infinite dilution have also been calculated. Excess parameters are fitted to the Redlich- Kister polynomial equation. The variations of these parameters with composition and temperature are discussed in terms of intermolecular interactions.

Keywords

Binary Mixture, Speed of Sound, Excess Properties, Molecular Interactions.
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  • Molecular Interactions in Binary Liquid Mixtures-An Ultrasonic Study

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Authors

J. V. Srinivasu
Department of Basic Science, Shri Vishnu Engineering College for Women, Bhimavaram-534202, India
K. Narendra
Department of Physics, V.R. Siddhartha Engineering College, Vijayawada-520007, India
Ch. Kavitha
Department of Physics, V.R. Siddhartha Engineering College, Vijayawada-520007, India
T. Srinivasa Krishna
Department of Physics, Rayalaseema University, Kurnool-518002, India
B. Subba Rao
Department of Physics, VSR & NVR College, Tenali-522201, India

Abstract


The densities and speed of sound of the binary mixture1, 4-butanediol with γ-picoline have been measured over the entire composition range in the temperature range 303.15 to 318.15 K at ambient pressure. From the experimental data, the excess molar volume, excess isentropic compressibility and excess molarisentropic compressibility have been calculated. The excess partial molar volume, excess partial molar isentropic compressions and their limiting values at infinite dilution have also been calculated. Excess parameters are fitted to the Redlich- Kister polynomial equation. The variations of these parameters with composition and temperature are discussed in terms of intermolecular interactions.

Keywords


Binary Mixture, Speed of Sound, Excess Properties, Molecular Interactions.

References