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The Standard Formation Data for Kaio2.
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This paper reports that the standard enthalpy of formation of ka102 was determined by hydrofluoric acid solution calorimetry to be ahef,298.15 = -272.60 +/- 1.43 Kcal mol-1. This value, combined with the previously determined low-temperature heat capacity and high-temperature enthalpy functions, provides the Gibbs energies and equilibrium constants of formation over the temperature range of the measurements. The standard Gibbs energy was determined as agef,298.15 = -257.45 Kcal mol-1.
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division