I. Sobechko, Y. Chetverzhuk, Y. Horak
Jun 1, 2018
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Chemistry, Technology and Application of Substances
Abstract
Using bomb calorimetry method standard combustion enthalpy for 2-cyano-3-[5-(2-oxy-methyl-4-nitrophenyl)-2-furyl]-2-propenamide was experimentally determined. From this data formation enthalpy of the substance in the condensed state was calculated. The temperature dependence of vapor pressure for 2-cyano-3-[5-(2-oxy-methyl-4-nitrophenyl)-2-furyl]-2-propenamide was investigated using integral effusional Knudsen method, from which the sublimation enthalpy was calculated. Adjustment of sublimation enthalpy to 298 K was conducted. The formation enthalpy of a substance in a gaseous state was calculated both from experimental data and using the Benson’s additive scheme.