Thermodynamics of vaporization of gallium trichloride |
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| Authors: | T. P. Chusova L. N. Zelenina Yu. G. Stenin Z. I. Semenova V. A. Titov |
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| Affiliation: | (1) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 prosp. Akad. Lavrent’eva, 630090 Novosibirsk, Russian Federation;(2) Novosibirsk State University, 2 ul. Pirogova, 630090 Novosibirsk, Russian Federation |
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| Abstract: | The unsaturated and saturated pressures of gallium trichloride vapor were measured by the static method with membrane-gauge manometers in wide pressure (0.2–760 Torr) and temperature (313–1071 K) intervals. Scanning calorimetry was used to determine the thermodynamic characteristics of GaCl3 fusion. The thermodynamic characteristics were obtained for sublimation, fusion, vaporization, and association in the vapor of GaCl3 molecules. The enthalpies of formation and the absolute entropies of GaCl3 in the liquid and gaseous phases and Ga2Cl6 in the gaseous phase were calculated using literature data. Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1266–1269, July, 2007. |
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| Keywords: | gallium trichloride vapor pressure enthalpy of sublimation entropy of sublimation enthalpy of vaporization entropy of vaporization entropy of association |
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