The determination of the standard molar enthalpy of formation of 4-chlorobenzoic acid by micro rotating-bomb combustion calorimetry

被引：17

作者：

Santos, RC ^{[1
]}

Diogo, HP ^{[1
]}

da Piedade, MEM ^{[1
]}

机构：

[1] Univ Tecn Lisboa, Ctr Quim Estrutural, Inst Super Tecn, P-1049 Lisbon, Portugal

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 1999年 / 31卷 / 11期

关键词：

thermochemistry; combustion calorimetry; energy of combustion; enthalpy of formation; 4-chlorobenzoic acid;

D O I：

10.1006/jcht.1999.0493

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The application of a micro rotating-bomb combustion calorimeter to chlorine-containing organic compounds was tested by determining the standard massic energy of combustion and the Standard molar enthalpy of formation of 4-chlorobenzoic acid at 298.15 K. Experiments with samples of masses in the range 25.5 mg to 39.5 mg led to Delta(C)u(o) = -(19563.45 +/- 4.88) J.g(-1) and Delta(f)H(m)(o) (C7H5O2Cl, cr) -(429.9 +/- 2.2) kJ.mol(-1) in good agreement with the corresponding values recommended in the literature. (C) 1999 Academic Press.

引用

页码：1417 / 1427

页数：11

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