The Free Energy, Entropy and Heat Capacity of Bromine and of Hydrogen Bromide from Spectroscopic Data
- 1 October 1933
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 1 (10) , 692-695
- https://doi.org/10.1063/1.1749228
Abstract
The free energy,entropy and heat capacity of gaseous bromine and of hydrogen bromide have been computed for the temperature range 200–1600°K. The equilibrium constants for the reaction Br2=2 Br, obtained from these numbers and the spectroscopic heat of dissociation, differ from Bodenstein's values by more than his apparent experimental error. Calculations for the dissociation of hydrogen bromide give results which agree with the e.m.f. measurements of Bodenstein and Geiger, but are in definite disagreement with the experiments of von Falckenstein when the latter are corrected for the dissociation of bromine.Keywords
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