Excess Thermodynamic Properties and Molecular Interaction in Ternary Systems of Aniline at 303.15K
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 9
Abstract
Densities and viscosities of ternary liquid mixtures of Aniline with two polar solvents viz. Methyl ethyl ketone and N, N-Dimethylformamide and three non-polar solvents viz. benzene, toluene and carbon tetra chloride as well as their pure components have been determined at constant temperature 303.15 K. Excess thermodynamic properties viz. the excess viscosity (ηE), the excess molar volume (VE), the excess Gibbs free energy of activation of flow (ΔGE#) and an interaction parameter d by Grunberg and Nissan, have been calculated as a function of composition of ternary mixtures. Results have been revealed as evidence of the type and magnitude of molecular interactions existing among the components. The values of (ηE) and (VE) are negative for all six systems over the entire range of composition. The values of (ΔGE#) and d are negative for the systems with methyl ethyl ketone as a second component, while it is positive for the systems with N,N-Dimethylformamide as a second component except at lower concentration of second component where the value of (ΔGE#) is negative.
Authors and Affiliations
Gunjan Maheshwari
Keywords
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