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Excess isobaric molar heat capacities and excess molar volumes for ethanol + n-decane andn-undecane systems

Authors
Journal
The Journal of Chemical Thermodynamics
0021-9614
Publisher
Elsevier
Publication Date
Volume
37
Issue
9
Identifiers
DOI: 10.1016/j.jct.2004.12.010
Keywords
  • Ethanol
  • Linear Alkanes
  • Heat Capacity
  • Density
  • Association

Abstract

Abstract Densities between (278.15 and 308.15) K and isobaric heat capacities per unit volume from (280.15 to 308.15) K for ethanol + n-decane and n-undecane systems were determined at atmospheric pressure over the whole composition range. From these data, excess molar volumes and excess isobaric molar heat capacities were calculated by means of the Benson and Kiyohara’s criterion. Results were analyzed in terms of the well-known microscopic effects that take place in alkanol + n-alkane systems. Their dependence with the size of the linear alkane was studied with the help of literature data of short alkyl chain 1-alkanol + long alkyl chain alkane systems.

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