The standard ( p o = 0.1 MPa) molar enthalpies of combustion in oxygen, at T = 298.15 K, for crystalline 2-iodosobenzoic acid, (OI)C 6 H 4 COOH, and 4-nitrosophenol, (ON)C 6 H 4 OH, were measured by rotating-bomb calorimetry and static-bomb calorimetry, respectively. These values were used to derive
Enthalpies of combustion of p-azoxyanisole and p-azoxyphenetole: the dissociation enthalpy of the N-O bonds. Enthalpies of crystal-to-(liquid crystal) transitions
β Scribed by W.E. Acree Jr.; Sheryl A. Tucker; G. Pilcher; Maria I.Paz Andrade; Maria D.M.C.Ribeiro da Silva
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 192 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0021-9614
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The standard (pΒ°=0.1 MPa) enthalpies of formation DfHΒ°m(cr) at the temperature T=298.15 K were determined using static-bomb calorimetry for crystalline 5-methoxybenzofurazan (5MeOBFN), 5-methoxybenzofurazan-1-oxide (5MeOBFNO), 5-methylbenzofurazan-1-oxide (5MeBFNO), and 4-nitrobenzofurazan-1-oxide (
The standard pΠ s 0.1 MPa molar enthalpies of formation β¬ H cr at T s 298.15 K were 2 4-CO HPyNO y381.2 " 1.3 136.1 " 1.2 259.5 " 5.0 2 3-Me4NO PyNO y19.5 " 3.4 106.7 " 2.0 263.4 " 7.1 2 2-CO HPy y341.0 " 1.2 98.0 " 2.3 2 4-CO HPy y348.7 " 1.6 113.9 " 4.4 2 T Ε½ . Comparison has been made with D N-O