VOLUMETRIC STUDIES ON ETHYL-4-HYDROXY BENZOATE WITH SUBSTITUTED AMIDE LIQUID MIXTURES AT DIFFERENT TEMPERATURES

Volume 20 No 13 (2022)

A.NAGARJUNA, K.V.S.N RAJU, P.ARUN KUMAR, N.KOTILINGAIAH

DOI: 10.14704/nq.2022.20.13.NQ88220

Abstract

The Speed of sound and density have been measured for the binary mixture of Ethyl-4-hydroxy benzoate[E-4-HB]with Formamide and substituted amides -Dimethyl formamide[DMF] and N-Methyl formamide [NMF] from 303.15K,308.15K and 313.15K temperature at 2MHz frequency. From this experimental data have been used to deliberate various volumetric properties like available volume, free volume, apparent volume and molar volume and its excess value. The properties have been fitted to the Redlich–Kister(R-K) type polynomial condition utilizing LSM to assess the twofold blends with upshots of standard deviations

Keywords

Binary mixture, speed of sound, density, viscosity, excess value, RK polynomial

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