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Enthalpies of combustion of the pyridine N-oxide derivatives: 4-methyl-, 3-cyano-, 4-cyano-, 3-hydroxy-, 2-carboxy-, 4-carboxy-, and 3-methyl-4-nitro, and of the pyridine derivatives: 2-carboxy-, and 4-carboxy-. The dissociation enthalpies of the N-O bonds

✍ Scribed by Maria D.M.C. Ribeiro da Silva; M. Agostinha; R. Matos; M.Cláudia Vaz; Luı&#x0301;s M.N.B.F. Santos; G. Pilcher; W.E. Acree Jr.; Joyce R. Powell

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 155 KB
Volume: 30
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1998.0353

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✦ Synopsis

The standard pЊ s 0.1 MPa molar enthalpies of formation ⌬ 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 Ž . Comparison has been made with D N-O values in pyridine N-oxide derivatives. ᮊ 1998 m Academic Press

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