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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 435 (1977), S. 33-44 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Thermodynamics of the Vaporization of Copper(I) HalidesThe equilibria of the vaporization of copper(I) halides were measured by means of a static method. The predominant species in the vapour are the trimeric ones. The enthalpies and entropies of vaporization (kcal/mol and e. u./mol) at 1 100 K were determined to be 42.7 and 23.8 für CuCl, 43.1 and 10.7 for Cu2Cl2, 18.4 and 10.0 für Cu3Cl3, 15.5 and 5.9 for Cu4Cl4, 10.6 and 11.3 for Cu3Br3, 24.0 and 7.8 for Cu4Br4, 25.1 and 14.8 for Cu3I3, respectively. Taking into account the results of chemical transport experiments concerning the transport of copper by means of iodine, the standard entropy at 298 K of Cu3I3(gas) was found to be 130 e. u./mol and the fusion enthalpy at 298 K was determined to be 20 kcal/mol.
    Notes: Die Verdampfungsgleichgewichte der Kupfer(I)-halogenide wurden mit einer statischen Methode gemessen. Der Dampf besteht überwiegend aus Trimeren. Folgende Verdampfungsenthalpien und -entropien bei 1 100 K wurden bestimmt (in kcal/Mol bzw. Clausius): CuCl: 42,7; 23,8; Cu2Cl2: 43,1; 19,7; Cu3Cl3: 18,4; 10,0; Cu4Cl4: 15,5; 5,9; Cu3Br3: 19,6; 11,3; Cu4Br4: 24,0; 7,8; Cu3J3: 25,1; 14,8.Unter Hinzuziehung der Beobachtungen beim chemischen Transport von Cu mit Jod wurde die Standardentropie bei 298 K für Cu3J3,g erhalten zu 130 cl und die Bildungsenthalpie zu 20 kcal/Mol.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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