Knudsen effusion vapor pressure measurements have been performed for vapor in equilibrium with Sc 2 O 3 (s). Experiments supported the conclusion that effusion was congruent. From experiments by Ames et al. (J. Phys. Chem. 1967, 71, 2707-2718) the vapor phase consisted of ScO(g), mol fraction 0.015
Energy levels of gaseous magnesium monoxide and the bond dissociation energy
โ Scribed by P.J. Evans; J.C. Mackie
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 472 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0301-0104
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D;(PrO) and Dt(NdO) have been measured mass spectrometrically and found to be 736-4 f 126 kJ/mol and 697.0 F 12.6 kJ/mol, respectively. Ionic contnbutions to bonding in these molecules are discussed.
An effusion-mass spectrometric study of the vapor species produced by the reaction of MgCiz(g) with Mg(g) was performed in the temperature range 982 to 1243 K. From the reaction enthalpies second and third law heats of formation for MgCl(g) were obtained, yielding a D,-, of 77.4 2 0.5 kcal/mole for
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