Viscosity Arrhenius Activation Energy and Derived Partial Molar Properties in 1,4-Dioxane + Water Binary Mixtures from 293.15 to 323.15 K |
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Authors: | Email author" target="_blank">N?OuerfelliEmail author Z?Barhoumi O?Iulian |
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Institution: | 1.Unité de Recherche Physico-Chimie des Matériaux, Département de Chimie,Faculté des Sciences de Tunis (FST),El Manar,Tunisia;2.Laboratoire de Chimie Analytique et Electrochimie, Département de Chimie,Faculté des Sciences de Tunis (FST),El Manar,Tunisia;3.Department of Applied Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science,University Politehnica of Bucharest,Bucharest,Romania |
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Abstract: | The knowledge and prediction of physicochemical properties of binary liquid mixtures is of great importance for understanding
intermolecular interactions. Viscosities (η) have been investigated by using density (ρ) and kinematic viscosity (ν) measurements for 1,4-dioxane + water (D–W) mixtures over the entire range of mole fractions under atmospheric pressure,
at 311.15, 316.15 and 320.15 K, in order to increase the studied temperatures range available from the literature and to improve
the investigations. The viscosity Arrhenius activation energy of 1,4-dioxane + water mixtures was calculated from the present
experimental viscosity measurements, and those presented in a previous work at only four temperatures, and for three temperatures
in the present work, over the entire range of composition in the temperatures range from 293.15 to 323.15 K. Based on the
partial molar activation energy from the Arrhenius equation for viscosity, interactions between water and 1,4-dioxane molecules
are discussed. Comparison between some reduced Redlich–Kister functions covering the composition domain shows the existence
of two distinct behaviors. |
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