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Amines play an important role in the survival of life as they are involved in the creation of amino acids, the building blocks of proteins in living beings. So the ultrasonic study of those compounds plays important role in the field of pharmaceutical as well as chemical industries. The ultrasonic study of liquids has huge role in understanding the nature and strength of molecular interactions. The ultrasonic velocity plays an important role to study the physical and chemical properties of liquid and liquid mixtures. Using the ultrasonic measurement technique the basic parameters such as velocity, density and viscosity were calculated at different temperature 298.15K to 308.15K. In this paper we propose the intermolecular interaction in between the DMF and Ethylamine binary solution using thermo-acoustical parameters such as Adiabatic compressibility (βa), Free length(Lf), Acoustic impedance (Z), Internal pressure(πi), Relaxation time(τ), Free Volume(Vf), Rao constant(R), Wada constant(W), Van Der Waal constant(b), Gibb’s Free energy(∆G), classical absorption(α/f2), Enthalpy(H) at different temperature over the entire range of mole fraction at frequency 7MHz.
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