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The standard molar enthalpies of formation of BaO(g) and SrO(g)

✍ Scribed by M.E. Huntelaar; E.H.P. Cordfunke

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 167 KB
Volume: 29
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1997.0206

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✦ Synopsis

The standard molar enthalpies of formation of BaO(g) and SrO(g) have been obtained from an extensive literature assessment. Whereas the enthalpy of formation of BaO(g) obtained from the enthalpy of sublimation of BaO(s), is in good agreement with the dissociation energy, the values for SrO(g) are less unambiguous. The values obtained are DfH°m(298.15 K) = -(112 2 5) kJ•mol -1 , and DfH°m (298.15 K) = (1.5 2 15) kJ•mol -1 for BaO(g) and SrO(g), respectively.

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