Schrödle, S. and Hefter, Glenn and Buchner, Richard (2005) Effects of hydration on the thermodynamic properties of aqueous ethylene glycol ether solutions. Journal of Chemical Thermodynamics 37 (5), pp. 513-522.
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The densities and isobaric sp. heat capacities of binary mixts. of water with various open-chain and cyclic ethylene glycol ethers have been measured at 298.15 K using vibrating tube densitometry, and flow or differential scanning calorimetry, resp. Excess molar volumes were derived over the whole compn. range. Molar isobaric heat capacities and the relative apparent thermodn. quantities were detd. in the water-rich region. The data reflect the changes in the structure and hydrogen-bond dynamics of water caused by these non-ionic solutes. The obsd. effects are discussed in terms of the influence of hydrophobic hydration on the thermodn. properties of aq. solns. Correlations are given that enable the prediction of the thermodn. properties of open-chain and cyclic oligo(ethylene oxide) ethers in their pure liq. state and at infinite diln. in water.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||hydration thermodn property aq ethylene glycol ether soln ethylene glycol ether mixt water density heat capacity excess molar vol ethylene glycol ether mixt water|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||11 Jun 2012 09:08|
|Last Modified:||11 Jun 2012 09:08|