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Erschienen in:
1984 | OriginalPaper | Buchkapitel
Determination of the Dissociation Energies of Gaseous Iron Monoxide and Manganese Monoxide by the Mass Spectrometric Knudsen Cell Method
verfasst von : S. Smoes, J. Drowart
Erschienen in: Modern High Temperature Science
Verlag: Humana Press
Enthalten in: Professional Book Archive
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The dissociation energies D00(FeO) = 95.9 ± 1.8 and D00(MnO) = 88.1 ± 1.8 kcal mol-1 were determined by studying the metathesis reactions FeO(g) + Se(g) = Fe(g) + SeO(g) and MnO(g) + Fe(g) = Mn(g) + FeO(g) by the mass spectrometric Knudsen cell method in the respective temperature intervals, 1640–1810 K and 1660–2060 K. These results are critically compared with the literature data, which implied the need for their reevaluation and a review of the thermodynamic data for FeOH(g) and FeO2(g). For the latter molecule, thermodynamic functions are presented.