Thermochemistry of molybdates. V. Standard enthalpy of formation of cesium dimolybdate (Cs/sub 2/Mo/sub 2/O/sub 7/)

Journal Article · Tue Dec 31 23:00:00 EST 1974 · J. Chem. Thermodyn.; (United States)

DOI:https://doi.org/10.1016/0021-9614(75)90066-X· OSTI ID:7283136

O'Hare, P A.G.; Hoekstra, H R

Solution-calorimetric measurements on a carefully prepared and characterized sample of cesium dimolybdate (Cs/sub 2/Mo/sub 2/O/sub 7/) gave an enthalpy of reaction, ..delta..H(298.15/sup 0/K), of -(7783 +- 87) cal/sub th/ mol/sup -1/ for the process: Cs/sub 2/Mo/sub 2/O/sub 7/(c) + 2CsOH(aq) = 2Cs/sub 2/MoO/sub 4/(aq) + H/sub 2/O(l). Combination of this result with auxiliary thermochemical data gave the standard enthalpy of formation: ..delta..H/sup 0//sub f/(Cs/sub 2/Mo/sub 2/O/sub 7/, c, 298.15 K) = -(550.3 +- 0.2) kcal/sub th/ mol/sup -1/. (auth)

• Research Organization: Argonne National Lab., IL
• OSTI ID: 7283136
• Journal Information: J. Chem. Thermodyn.; (United States), Journal Name: J. Chem. Thermodyn.; (United States) Vol. 7; ISSN JCTDA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
AQUEOUS SOLUTIONS
CALORIMETRY
CESIUM COMPOUNDS
DISPERSIONS
ENTHALPY
FORMATION HEAT
MIXTURES
MOLYBDATES
MOLYBDENUM COMPOUNDS
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION HEAT
SOLUTIONS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS