Thermochemical study of vaporization of sodium and potassium perrhenate using a mass spectrometer
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 63, 1146-1151
- https://doi.org/10.1039/tf9676301146
Abstract
The vapour phase in equilibrium with sodium perrhenate and potassium perrhenate contains comparable amounts of the corresponding monomeric and dimeric molecules. Partial pressures and heats of vaporization for each of these species were measured: NaReO4(l)→NaReO4(g), ΔH° 750= 45.3 ± 5 kcal/mole, 2NaReO4(l)→(NaReO4)2(g), ΔH° 750= 56.7 ± 5 kcal/mole, KReO4(s)→KReO4(g), ΔH° 750= 45.8 ± 5 kcal/mole, 2KReO4(s)→(KReO4)2(g), ΔH° 750= 65.6 ± 5 kcal/mole.Keywords
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