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Thermodynamic properties of two gaseous halogenated ethers from speed-of-sound measurements: Difluoromethoxy-difluoromethane and 2-difluoromethoxy-1,1,1-trifluoroethane

Thermodynamic properties of two gaseous halogenated ethers from speed-of-sound measurements:... We present measurements of the speed of sound in gaseous difluoromethoxy-difluoromethane (CHF2-O-CHF2) and 2-difluoromethoxy-1,1,1-trifluoroethane (CF3-CH2-O-CHF2). These measurements were performed in an all-metal apparatus between 255 and 384 K. We have obtained ideal-gas heat capacities and second acoustic virial coefficients from analysis of these measurements. Two methods of correlating the second acoustic virial coefficients, a square well model of the intermolecular interaction and a function due to Pitzer and Curl, are presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Thermophysics Springer Journals

Thermodynamic properties of two gaseous halogenated ethers from speed-of-sound measurements: Difluoromethoxy-difluoromethane and 2-difluoromethoxy-1,1,1-trifluoroethane

International Journal of Thermophysics , Volume 15 (5) – Mar 26, 2005

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References (17)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Condensed Matter Physics; Classical Mechanics; Industrial Chemistry/Chemical Engineering; Physical Chemistry
ISSN
0195-928X
eISSN
1572-9567
DOI
10.1007/BF01447097
Publisher site
See Article on Publisher Site

Abstract

We present measurements of the speed of sound in gaseous difluoromethoxy-difluoromethane (CHF2-O-CHF2) and 2-difluoromethoxy-1,1,1-trifluoroethane (CF3-CH2-O-CHF2). These measurements were performed in an all-metal apparatus between 255 and 384 K. We have obtained ideal-gas heat capacities and second acoustic virial coefficients from analysis of these measurements. Two methods of correlating the second acoustic virial coefficients, a square well model of the intermolecular interaction and a function due to Pitzer and Curl, are presented.

Journal

International Journal of ThermophysicsSpringer Journals

Published: Mar 26, 2005

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