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Partial molar volumes and partial molar isentropic compressions of selected alkane-α,ω-diols at infinite dilution in water at temperatures T = (278 to 318) K and atmospheric pressure
Journal article   Peer reviewed

Partial molar volumes and partial molar isentropic compressions of selected alkane-α,ω-diols at infinite dilution in water at temperatures T = (278 to 318) K and atmospheric pressure

L. Hnědkovský and I. Cibulka
Journal of Chemical & Engineering Data, Vol.58(6), pp.1724-1734
2013
DOI: https://doi.org/10.1021/je4001203
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Abstract

Speed of sound and density data for dilute aqueous solutions of several alkane-α,ω-diols (ethane-1,2-diol, pentane-1,5-diol, hexane-1,6-diol, octane-1,8-diol, nonane-1,9-diol) were obtained using the Anton Paar DSA 5000 vibrating-tube densimeter and sound analyzer in the temperature range from (278.15 to 318.15) K and at atmospheric pressure. Standard molar isentropic compressions and standard molar volumes were evaluated from the measured data. Relations of the two standard quantities to the ratio between hydrophilic (hydroxyl groups) and hydrophobic (hydrocarbon chain) parts of the solute molecule are discussed. Contributions of the methylene group to the standard molar volume and standard molar isentropic compression are also evaluated.

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Domestic collaboration
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Citation topics
2 Chemistry
2.89 Ionic, Molecular & Complex Liquids
2.89.462 Excess Molar Volumes
Web Of Science research areas
Chemistry, Multidisciplinary
Engineering, Chemical
Thermodynamics
ESI research areas
Chemistry
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