Articles with "excess molar" as a keyword



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Solid-liquid phase equilibria, excess molar volume, and molar refraction deviation for the mixtures of ethanoic acid with propanoic, butanoic, and pentanoic acid

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Published in 2018 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-018-0072-2

Abstract: The paper reports the solid-liquid phase equilibria (SLE), excess molar volume (VE), and molar refraction deviation (ΔR) for binary systems of ethanoic acid with the C3 to C5 carboxylic acids, propanoic, butanoic, and pentanoic acid,… read more here.

Keywords: deviation; phase equilibria; liquid phase; solid liquid ... See more keywords
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Thermodynamics of amide + amine mixtures. 5. Excess molar enthalpies of N,N-dimethylformamide or N,N-dimethylacetamide + N-propylpropan-1-amine, + N-butylbutan-1-amine, + butan-1-amine, or + hexan-1-amine systems at 298.15 K. Application of the ERAS model

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Published in 2019 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2019.112283

Abstract: Abstract Excess molar enthalpies, H m E , over the whole composition range have been determined for the liquid mixtures N,N-dimethylformamide (DMF) or N,N-dimethylacetamide (DMA) + butan-1-amine (BA), or + hexan-1-amine (HxA), or + N-propylpropan-1-amine (DPA), or N-butylbutan-1-amine (DBA) at 298.15 K… read more here.

Keywords: butan amine; amine; molar enthalpies; model ... See more keywords
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Experimental and computational studies of binary mixtures of cis and trans 2-methylcyclohexanol + cyclohexylamine

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Published in 2017 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.03.089

Abstract: Abstract Densities and viscosities of the binary system of cyclohexylamine with 2-methylcyclohexanol were measured for the entire composition range at T  = 293.15–313.15 K and at the atmospheric pressure. The excess molar volumes, deviations in viscosity, thermal… read more here.

Keywords: methylcyclohexanol cyclohexylamine; computational studies; experimental computational; cyclohexylamine ... See more keywords
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Spectra of excess molar absorptivity of aqueous solutions of ionic liquids: Universal chromophores for aqueous electrolytes?

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Published in 2017 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.05.040

Abstract: Abstract We devised a new data analysis methodology for Near Infrared spectroscopic data of aqueous solutions. We first isolate the non-ideal (i.e. real) part of the results as the excess molar absorptivity, e E ,… read more here.

Keywords: universal chromophores; aqueous solutions; absorptivity; molar absorptivity ... See more keywords

Excess molar volumes and excess isentropic compressibilities of liquid mixtures formed by tetrahydropyran, piperidine and cyclic ketones at temperature from 293.15 to 308.15 K.

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Published in 2018 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.12.083

Abstract: Abstract The densities, ρ, ρ123 and speeds of sound, u, u123 of binary Tetrahydropyran (1) + Piperidine (2) and ternary Tetrahydropyran (1) + Piperidine (2) + Cyclohexanone or Cycloheptanone (3) mixtures have been measured over the whole range of mole fraction… read more here.

Keywords: isentropic compressibilities; tetrahydropyran piperidine; molar volumes; excess molar ... See more keywords

Thermodynamic study of binary mixture of 2-butanol + monoethanolamine at different temperatures; PC-SAFT and ERAS models

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Published in 2020 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2020.114461

Abstract: Abstract In this paper, to study the possible intermolecular interactions in the binary mixtures 2-butanol with monoethanolamine, values of density were measured at temperatures 293.15 to 323.15 K and atmospheric pressure (P = 0.0815 MPa). From experimental densities, values… read more here.

Keywords: mixture; butanol monoethanolamine; binary mixture; study ... See more keywords
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Volumetric Properties of Furan and 2-5-Dimethylfuran in Different Industrial Solvents at Temperatures from 278 to 343 K

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Published in 2021 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.0c01060

Abstract: Density and Speed of sound have been measured for pure components such furan, (DMF) 2-5-dimethylfuran, MDEA (n-methyldiethanolamine), DEG (diethylene glycol), TEG (triethylene glycol), and DMA (dimethylacetamide) using Anton Paar (DSA-5000) vibrating U-tube densitometer in a… read more here.

Keywords: temperature range; properties furan; volumetric properties; furan dimethylfuran ... See more keywords

Excess Molar Volume and Viscosity Deviation of [C2mim][NTf2]/[C4mim][NTf2] + DMC/DEC

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Published in 2018 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.8b00591

Abstract: Two hydrophobic ionic liquids (ILs) 1-alkyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ([C2mim][NTf2] and [C4mim][NTf2]) were synthesized. The binary mixtures of the two ILs were prepared with dimethyl carbonate (DMC) or diethyl carbonate (DEC) over the entire mole fraction range,… read more here.

Keywords: ntf2 c4mim; viscosity; c2mim ntf2; c4mim ntf2 ... See more keywords

Densities and Excess Molar Volumes of the Ternary System (1,4-Dioxane + 2-Propanol + 1,1,2,2-Tetrachloroethane) at T = 288.15–318.15 K and at Atmospheric Pressure: Experimental Measurements and Prigogine–Flory–Patterson Modeling

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Published in 2019 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.9b00347

Abstract: Excess molar volumes for 1,4-dioxane + 2-propanol + 1,1,2,2-tetrachloroethane ternary mixture and for the constituent binaries were determined from density measurements over the entire composition ... read more here.

Keywords: dioxane propanol; molar volumes; excess molar; propanol tetrachloroethane ... See more keywords
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Measurement and Modeling of Excess Molar Enthalpies of Binary Mixtures Involving Hydrocarbon Components of Fuel

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Published in 2020 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.9b00949

Abstract: Experimental excess molar enthalpies of binary systems that are constituted by different groups of hydrocarbons, which are 1-hexene, methylcyclohexane, cyclohexane, isooctane, and heptane, are reported in this work. Precisely, the mixtures composed of 1-hexene, heptane,… read more here.

Keywords: molar enthalpies; binary mixtures; modeling excess; measurement modeling ... See more keywords