Enthalpy of formation of some alkaline earth halides
- 15 November 1968
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 46 (22) , 3447-3451
- https://doi.org/10.1139/v68-573
Abstract
The enthalpies of reaction of crystalline magnesium oxide in aqueous hydrogen bromide and iodide solutions have been determined. The enthalpies of precipitation of magnesium, calcium, and strontium fluorides and the enthalpies of solution of magnesium iodide and bromide have also been determined and the following data are derived: ΔHf0 (298 °K) of MgBr2(c), MgI2(c), CaF2(c), NaMgF3(c), SrF2(c) are −125.3 ± 0.4, −88.1 + 0.35, −291.9 ± 0.2, −406.7 ± 0.3, −291.2 ± 0.3 kcal mole−1 respectively. NaMgF3 is an ideal mixed crystal.Keywords
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