Phase Transition Thermodynamics: Evaporation Enthalpy of 13 Naphthalene Derivatives

The quality of naphthalene derivatives in use is assessed by their phase transition thermodynamic properties. The naphthalene derivatives’ sublimation/vaporization enthalpy was determined at 298.15 K. The evaporation enthalpy of the compounds was estimated utilizing solution calorimetry-additive sch...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2023-07, Vol.97 (7), p.1361-1367
Main Author: Abdullah, R. S.
Format: Article
Language:English
Subjects:
Benzene
Chemical Thermodynamics and Thermochemistry
Chemistry
Chemistry and Materials Science
Enthalpy
Evaporation
Gas chromatography
Heat measurement
Naphthalene
Phase transitions
Physical Chemistry
Solvation
Sublimation
Thermodynamic properties
Thermodynamics
Vaporization
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Summary:The quality of naphthalene derivatives in use is assessed by their phase transition thermodynamic properties. The naphthalene derivatives’ sublimation/vaporization enthalpy was determined at 298.15 K. The evaporation enthalpy of the compounds was estimated utilizing solution calorimetry-additive scheme approach. Adiabatic solution calorimetry was applied to measure the compounds’ solution enthalpies in the benzene solvent at 298.15 K. Additionally, using an additivity scheme approach, the solvation enthalpy for naphthalene derivatives was calculated. In addition, in order to measure the evaporation enthalpy of naphthalene derivatives, gas chromatography was also applied. The results of the evaporation enthalpies were quite compatible with those found in the published data. For the first time, the evaporation enthalpy of nine naphthalene derivatives was discovered.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024423070245