The kinetics of the gas-phase dehydrogenation of cyclopentane to cyclopentene is found to be consistent with a slow attack by a n I atom (step 4, text) on cyclopentane in the range 282-382OC. The measured rate constants fit the Xrrhenius equation, log k, = 11.95 f 0.08 -(24.9 f 0.23)/0 1 mole-l sec-
Molecular, Thermodynamic, and Kinetic Parameters of the Free Radical C2H5·in the Gas Phase
✍ Scribed by G. A. Skorobogatov; B. P. Dymov; Yu. I. Pogosyan; V. K. Khripun; E. P. Tschuikow-Roux
- Book ID
- 110437220
- Publisher
- Springer
- Year
- 2003
- Tongue
- English
- Weight
- 96 KB
- Volume
- 73
- Category
- Article
- ISSN
- 1070-3632
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The gas-phase dehydrogenation of cyclopentene to cyclopentadiene catalyzed by iodine in. the range 178-283'C has been found to obey a rate law consistent with the slow rate-determining step, I + c-C5Hs --t HI + c-C5H, , log [ka/(l moleL1 sec-')I = 10.25 \* 0.08 -(12.26 f 0.18)/0, where 0 = 2.303RT i
A detailed radical reaction mechanism is proposed to describe the thermal reactions of CCI4 and C2CI, in the gas phase quantitatively A consistent set of activation energies and preexponential factors for all elementary reactions, in combination with enthalpies of formation and entropies for all spe