Prediction of Rate Constants for Reactions of the Hydroxyl Radical in Water at High Temperatures and Pressures
β Scribed by Ghandi, Khashayar; Percival, Paul W.
- Book ID
- 126418495
- Publisher
- American Chemical Society
- Year
- 2003
- Tongue
- English
- Weight
- 60 KB
- Volume
- 107
- Category
- Article
- ISSN
- 1089-5639
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π SIMILAR VOLUMES
## Abstract Rate constants are calculated for CH~3~ (+ Ar) β CH~2~ + H (+ Ar) at the limiting lowβpressure, the limiting highβpressure, as well as the intermediate fallβoff ranges. The results show that published experimental rate constants for methyl dissociation correspond to the fallβoff region
Rate constants have been measured over the temperature range 245-419 K for the gas-phase reactions of the hydmxyl radical with the hydrofluorocarbons CHF,CF,CF,CHF, and CF&HFCHFCF2CF,. The Arrhenius expressions k (CHF,CF,CFzCHF,) =(7.80i3.40)X10-'3exp[-(1.51~0.26)~103/T] and k(CF,CHFCHFCF~CF,)=(4.21