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Title: Measurement of absolute rate data for the reaction of atomic potassium, K(42S1_2), with CH3F, C2H5F, C6H5F, CH3Br, C2H5Br, HCl and HBr by time-resolved atomic resonance absorption spectroscopy at λ = 404 nm (K(52Pj) → K(42S1/2))
Journal: Int. J. Chem. Kinet.
Volume: 20
Page(s):
Year: 1988
Reference type: Journal article
Squib: 1988HUS/LEE223
Reaction:
CH3Br + K → ·CH3 + KBr
Reaction order:
2
Temperature:
798 - 903
K
Pressure: 7.60E-2 - 8.67E-2 bar
Rate expression:
1.69x10-10 [cm3/molecule s] e-15881 [±1272 J/mole]/RT
Uncertainty:
1.1799999
Bath gas:
He
Category: Experiment
Data type:
Absolute value measured directly
Excitation technique:
Flash photolysis (laser or conventional)
Analytical technique:
Vis-UV absorption
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 798 | 1.55E-11 |
| 800 | 1.56E-11 |
| 825 | 1.67E-11 |
| 850 | 1.79E-11 |
| 875 | 1.91E-11 |
| 900 | 2.03E-11 |
| 903 | 2.04E-11 |