Kinetic studies of the solid-state decomposition of manganese(II) formate dihydrate. Part I. Microscopic and isothermal gravimetric measurements on single crystals
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2227-2230
- https://doi.org/10.1039/j19690002227
Abstract
Reliable energetic parameters for the anisotropic dehydration of manganese(II) formate dihydrate may be obtained using two distinct experimental procedures. Direct microscopic measurements of interface advancement at {011} faces yields, for the enthalpy of activation, a value of 18·6 ± 1·8 kcal mol–1, whereas microgravimetry leads, indirectly, to a value of 17·1 ± 1·5 kcal mol–1. The entropy change accompanying activation is insignificantly small.Keywords
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