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Thermodynamic study of 9-anthracenecarboxylic acid

Ribeiro da Silva, Manuel A.V. ; Santos, Ana Filipa L.O.M. ; Carneiro, Liliana P.T. ; Mendes, Ricardo F. ; Rodrigues, Ana Sofia M.C. ; Ferreira, Paulo J.O. ; Ramos, Rui M.C.

The Journal of chemical thermodynamics, 2011-02, Vol.43 (2), p.172-176 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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Título:
Thermodynamic study of 9-anthracenecarboxylic acid
Autor: Ribeiro da Silva, Manuel A.V. ; Santos, Ana Filipa L.O.M. ; Carneiro, Liliana P.T. ; Mendes, Ricardo F. ; Rodrigues, Ana Sofia M.C. ; Ferreira, Paulo J.O. ; Ramos, Rui M.C.
Assuntos: 9-Anthracenecarboxylic acid ; Chemical thermodynamics ; Chemistry ; Combustion ; Combustion calorimetry ; Crystal structure ; Elements, mineral and organic compounds ; Enthalpy ; Enthalpy of combustion ; Enthalpy of formation ; Enthalpy of sublimation ; Exact sciences and technology ; General and physical chemistry ; Knudsen effusion ; Mathematical analysis ; Sublimation ; Thermodynamic properties ; Thermodynamics ; Vapour pressure
É parte de: The Journal of chemical thermodynamics, 2011-02, Vol.43 (2), p.172-176
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The standard massic energy of combustion, in oxygen, of the crystalline 9-anthracenecarboxylic acid was measured, at T = 298.15 K, by static-bomb combustion calorimetry, from which the standard molar enthalpy of formation, in the condensed phase, was calculated as Δ f H m ∘ ( cr ) = - ( 267.3 ± 3.4 ) kJ · mol - 1 . The standard molar enthalpy of sublimation of this acid, at T = 298.15 K, Δ cr g H m ∘ = ( 139.4 ± 0.9 ) kJ · mol - 1 , was determined from the temperature–vapour pressure dependence, obtained by the Knudsen mass-loss effusion method. From the data presented above, the standard molar enthalpy of formation, in the gaseous phase, at T = 298.15 K, was derived, Δ f H m ∘ ( g ) = - ( 127.9 ± 3.5 ) kJ · mol - 1 . The experimental result is interpreted in terms of enthalpic increments, molecular structure and compared with structurally similar compounds.
Editor: Kidlington: Elsevier Ltd
Idioma: Inglês

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Thermodynamic study of 9-anthracenecarboxylic acid

Ribeiro da Silva, Manuel A.V. ; Santos, Ana Filipa L.O.M. ; Carneiro, Liliana P.T. ; Mendes, Ricardo F. ; Rodrigues, Ana Sofia M.C. ; Ferreira, Paulo J.O. ; Ramos, Rui M.C.

Kidlington: Elsevier Ltd

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