Investigation of Thermo-Acoustic Properties of Ethanol-Cyclohexane Binary Mixture

Volume: 11 | Issue: 02 | Year 2025 | Subscription
International journal of Thermodynamics and Chemical Kinetics
Received Date: 11/04/2025
Acceptance Date: 11/12/2025
Published On: 2025-09-30
First Page: 1
Last Page: 14

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By: Dr. Ashish Wakulkar, Priyanka bhukya, Lanjewar M. R, and Shah S. A..

1Assitant Professor, Department of Chemistry, RTM Nagpur
University, Nagpur, Maharashtra, India
2Assitant Professor, Department of Chemistry, RTM Nagpur
University, Nagpur, Maharashtra, India
3Professor, Department of Chemistry, RTM Nagpur University,
Nagpur, Maharashtra, India
4Professor, Department of Chemistry, RTM Nagpur University,
Nagpur, Maharashtra, India

Abstract

The density, viscosity, and speed of sound for ethanol-cyclohexane binary mixtures were determined across mole fractions ranging from 0.1 to 0.9 using an Anton Paar DSA 5000 M within the temperature span of 288.15–318.15 K. From these experimental measurements, several thermodynamic and acoustic properties, such as isentropic compressibility, relative association, free volume, relaxation time, Gibbs free energy of activation, internal pressure, and solubility parameter, were derived. These parameters serve as useful indicators of the strength and type of molecular interactions present in the system. The trends observed in both measured and calculated values were interpreted to highlight the influence of non-covalent interactions, including hydrogen bonding, dispersion forces, and dipole-dipole associations, on the structural arrangement and dynamic behavior of the liquid mixtures. The study of ethanol-cyclohexane mixtures reveals that intermolecular interactions arise from a balance of Van der Waals forces, hydrogen bonding, molecular size, and cohesive effects. Density and viscosity decrease with cyclohexane concentration, while ultrasonic velocity increases, indicating structural rearrangements and association between components. Derived parameters confirm that solute–solvent and solute–solute interactions vary with composition and weaken at higher temperatures due to thermal agitation. Furthermore, the results emphasize the non-ideal behavior of the system, suggesting deviations from ideal mixing due to specific interaction effects. Overall, the system demonstrates that molecular interactions in liquid mixtures are governed by both physical forces and molecular geometry, which are crucial for understanding mixture behavior in industrial and pharmaceutical applications.

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Citation:

How to cite this article: Dr. Ashish Wakulkar, Priyanka bhukya, Lanjewar M. R, and Shah S. A. Investigation of Thermo-Acoustic Properties of Ethanol-Cyclohexane Binary Mixture. International journal of Thermodynamics and Chemical Kinetics. 2025; 11(02): 1-14p.

How to cite this URL: Dr. Ashish Wakulkar, Priyanka bhukya, Lanjewar M. R, and Shah S. A., Investigation of Thermo-Acoustic Properties of Ethanol-Cyclohexane Binary Mixture. International journal of Thermodynamics and Chemical Kinetics. 2025; 11(02): 1-14p. Available from:https://journalspub.com/publication/uncategorized/article=21860

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