Volume 20 No 22 (2022)
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Molecular Interaction in Binary Mixtures of Benzyl propionate with methanol at different temperatures: An Ultrasonic study
Jessie Fernando, Jeeva Rani Thangam G, Padmavathi P, Irudaya Sahaya Lancy S, Krishna Kumar Pandey and PoongodiJ
At temperatures 308 K, 313 K, 318 K, 323 K, 328 K, and 333 K, the density (ρ), speed of sound (u), and viscosity (η) of binary liquid solutions containing benzyl propionate with methanol were determined over the full range of composition. Various thermo-acoustical characteristics have been done to analyze the intermolecular interactions between the molecules of liquid mixtures. By the calculated parameters likeacoustic impedance (Z), adiabatic compressibility (βa), Intermolecular free length (Lf), relaxation time (τ), and internal pressure (π) It has been confirmed that liquid mixture components exhibit strong hetero association.Other thermodynamic parameters like Gibb’s free energy (ΔG) and enthalpy (H) have also been calculated. The linear variations are found for the thermo-acoustic parameters which imply the presence of solute-solvent interactions in the binary system that strengthens the above findings.
benzyl propionate,methanol, acoustic impedance, adiabatic compressibility, Intermolecular free length, relaxation time, internal pressure
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