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International Letters of Chemistry, Physics and Astronomy
Volume 59

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Acoustical Studies of Ternary Liquid Mixtures of 2-Aminothiazole in DMF-Water at Different Temperatures
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Acoustical Studies of Ternary Liquid Mixtures of 2-Aminothiazole in DMF-Water at Different Temperatures

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Abstract:

The nature and the relative strength of the intermolecular interaction between the components of the liquid mixtures have been successfully investigated by ultrasonic method. In present study, the densities (ρ), ultrasonic velocities (u), viscosity (ɳ) and refractive index (nD) in a ternary liquid mixture of 2-aminothiazole with N,N-dimethylformamide (DMF) in water have been measured at 303.15, 308.15, 313.15,318.15 and 323.15 K respectively, over the entire composition range by using densitometer, ultrasonic interferometer, viscometer and refractmeter respectively. The measured data have been used to compute the various thermo-acoustic parameters using the standard relations namely, adiabatic compressibility (βs), intermolecular free length (Lf), specific acoustic Impedance (Z),Wada constant (W), molar sound velocity (R), relative association (RA), apparent molar compressibility (),apparent molar volume () viscosity relaxation time (Г),absorption coefficient, internal pressure (ᴨ),free volume (Vf),Gibb҆ s free energy (∆G) and specific refraction (r), etc. The results have been analyzed on the basis of variation in thermodynamic parameters. These parameters are useful for explaining the molecular association and interaction between the components of ternary liquid mixtures. The variation in densities and ultrasonic velocities with concentrations in the system show similar trends for evaluated parameters of the constituents in ternary mixture at different temperatures. The results have been interpreted in terms of solute-solvent and solvent-solvent interaction.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 59)
Pages:
188-198
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.59.188
Citation:
P.B. Morey and A.B. Naik, "Acoustical Studies of Ternary Liquid Mixtures of 2-Aminothiazole in DMF-Water at Different Temperatures", International Letters of Chemistry, Physics and Astronomy, Vol. 59, pp. 188-198, 2015
Online since:
September 2015
Authors:
P.B. Morey, A.B. Naik
Keywords:
2-Aminothiazole, Adiabatic Compressibility, Density, DMF, Molecular Interaction, Ternary Mixture, Thermo-Acoustic, Ultrasonic Velocity
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Distribution:
Open Access

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