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Thermophysical and thermochemical properties of BaO and SrO from 5 to 1000 K

Authors
Journal
Journal of Physics and Chemistry of Solids
0022-3697
Publisher
Elsevier
Publication Date
Volume
55
Issue
1
Identifiers
DOI: 10.1016/0022-3697(94)90186-4
Keywords
  • Barium Oxide
  • Strontium Oxide
  • Calorimetry
  • Heat Capacity
  • Entropy
Disciplines
  • Chemistry

Abstract

Abstract The low-temperature heat capacities from 5 to 350 K by adiabatic calorimetry and the high-temperature enthalpy increments from 470 to 877 K by drop calorimetry of BaO and SrO have been measured. From the results smoothed thermochemical and thermophysical functions have been calculated at selected temperatures up to 1000 K. For the standard entropies of BaO and SrO at 298.15 K the values (70.01 ± 0.10) and (53.63 ± 0.10) J mol −1 K −1, respectively, have been found.

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