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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 451 (1979), S. 67-72 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Magnesium Chloride: Sublimation Pressures and Association of the Gas MoleculesThe mass spectroscopic investigation of the vapour which is in equilibrium with solid MgCl2 leads to the data given in “Inhaltsübersicht”.Also small amounts of Mg4Cl8 have been observed and its stability is estimated.
    Notes: Die Analyse des mit festem MgCl2 im Gleichgewicht stehenden Dampfes (Knudsenzelle, Massenspektrometer) führte zu folgenden Ergebnissen (298 K): \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{l}{\rm MgCl}_{{\rm 2,f}} = {\rm MgCl}_{{\rm 2,g}};\,\,\Delta{\rm H}^\circ = 60,1\,{\rm Kcal};\,\Delta{\rm S}^\circ = 45,6\,{\rm cl}\\2{\rm MgCl}_{2,{\rm f}} = {\rm Mg}_2 {\rm Cl}_{4,{\rm g}};\,\Delta{\rm H}^\circ = 78,5\,{\rm Kcal};\,\,\Delta{\rm S}^\circ = 61,2\,{\rm cl}\\2{\rm MgCl}_{2,{\rm g}} = {\rm Mg}_2 {\rm Cl}_{4,{\rm g}};\,\Delta{\rm H}^\circ = - 41,7{\rm Kcal};\,\Delta{\rm S}^\circ = - 30,0\,{\rm cl}\\{\rm MgCl}_{2,{\rm g}} + {\rm Mg}_{\rm 2} {\rm Cl}_{4,{\rm g}} = {\rm Mg}_3 {\rm Cl}_{6,{\rm g}};\,\,\Delta{\rm H}^\circ = - 45,8\,{\rm Kcal};\,\,\Delta{\rm S}^\circ = - 37,1{\rm cl}.\end{array} $$\end{document} Auch Mg4Cl8 wurde (in sehr kleiner Konzentration) beobachtet und seine Stabilität abgeschätzt.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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