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Title: Volumetric, acoustical and computational study on molecular interactions in binary mixtures of Ricinoleic acid with some halobenzenes
Authors: Sharma, Sangita
Swami, Ashishkumar
Patel, Paras
Keywords: Density;Speed of sound;Excess molar volume;Isentropic compressibility;Computational calculation;NBO analysis
Issue Date: Nov-2019
Publisher: NISCAIR-CSIR, India
Abstract: Densities (ρ) and speed of sound (u) of binary liquid mixtures of Ricinoleic acid with some halobenzenes at 303.15, 308.15 and 313.15 K and atmospheric pressure have been reported over the entire composition range. From the experimentally measured density (ρ), excess molar volumes (V), have been calculated. Deviation of the speeds of sound (u), isentropic compressibility (ks), deviation in isentropic compressibility (ks), deviation in acoustic impedance (z) and intermolecular free length (Lf) have been calculated using experimentally measured speed of sound,(u). Various theoretical speeds of sound and average deviations have been calculated using well established equations like Nomoto (Unmt) Ideal Mixing Rule (Uimr), Junji (Ujunji) and Jacobson’s Free Length Theory, (Uflt). To derive fitting coefficients, (Ai) with standard deviation, (σ), excess properties have been fitted with the Redlich-Kister type polynomial equation. The variation of these properties with composition and temperature has been discussed in terms of molecular interaction on mixing and their interacting abilities. Observations reveal that there have been strong interactions between components. Strength of interactions between components has been described with theoretical computational calculations.
Page(s): 1194-1205
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.58A(11) [November 2019]

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