CJCU

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (3): 373.

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The Standard Enthalpy of Formation of Molybdenum Trioxide Determined by Solution Calorimetry

Liao Li-fu1, Zhang Ping-min2   

  1. 1. Hengymg Medical College, Hengymg, 421001;
    2. Central South University of Technology, Changsha
  • Received:1989-07-29 Online:1991-03-24 Published:1991-03-24

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Abstract: The standard enthalpy of formation of MoO3was determined by solution calorimetry in an automatic RD-1 model heat-conducting calorimeter. The calorimetric solvent is a alkalescent solution consisting of KIO4and KOH. For the solution three different thermochemical cycles were designed to determine the enthalpy. According to the results obtained, the value ΔHt(moO3)0(298.15K)=-765.0±6.8kJ·mol-1 was recommended.

Key words: Molybdenum trioxide, Standard enthalpy of formation, Solution calorimetry

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