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Physical Chemistry Research، جلد ۱۱، شماره ۴، صفحات ۸۸۹-۸۹۶
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عنوان انگلیسی Thermophysical Study of Ethylene Glycol + H2O and Ethylene Glycol + (DMF/H2O) at 298.15 K
چکیده انگلیسی مقاله In this research, some thermophysical properties of ethylene glycol with water (H2O) and two solvent mixtures dimethylformamide/ water (DMF + H2O) were studied. The densities (ρ) and viscosities (η) of ethylene glycol in water and a mixed solvent dimethylformamide (DMF + H2O) were determined at 298.15 K, t and a range of concentrations from 0.1 to1.0 molar. The ρ and η values were subsequently used to calculate the thermodynamics of mixing including the apparent molar volume (ϕv), partial molar volume (ϕvo) at infinite dilution. The solute-solute interaction is presented by Sv results from the equation ∅_v=ϕ_v^o+S_v √m. The values of viscosity (B) coefficients and Falkenhagen coefficient(A) of the Jone-Dole equation and Gibbs free energy of activation (∆G*) for viscous flow of solution were estimated. The positive values of ϕ_v^o between 35.58 and 49.908 and Sv values from 12.54 to 8.83 indicate strong solute-solvent interactions.
کلیدواژه‌های انگلیسی مقاله Ethylene glycol,Dimethyl Formamide,Density,Viscosity and Activation energy of viscous flow
نویسندگان مقاله Zainab Abbas Al-Dulaimy |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

Israa Radhi |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

Azhar Farooq |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

Huda Hassan |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

Sarab Abdoun |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

Dhafir Tamween Ajeel Al-Heetimi |
Department of Chemistry, College of Education for Pure Science-Ibn-Al-Haitham, University of Baghdad- Baghdad, Iraq

نشانی اینترنتی https://www.physchemres.org/article_164613_9ed1c1b5dbf1c70ce62ed10137a7e3d5.pdf
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