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Title: Kinetic Investigation of the Reactions of Mg(1S), Ca(1S) , and Sr(1S) Atoms with NO2 Over the Temperature Ranges 303-836, 303-916, and 303-986 K, Respectively
Journal: J. Phys. Chem. A
Volume: 103
Page(s): 11321 - 11327
Year: 1999
Reference type: Journal article
Squib: 1999VIN/HEL11321-11327
Reaction:
Ca + NO2 → CaO + NO
Reaction order:
2
Temperature:
303 - 916
K
Pressure: 8.00E-3 - 1.60E-2 bar
Rate expression:
1.5x10-9 [±6.0x10-1 cm3/molecule s] e-2900 [±1200 J/mole]/RT
Category: Experiment
Data type:
Absolute value measured directly
Experimental procedure:
Flow tube - Data taken vs distance
Excitation technique:
Thermal
Time resolution:
In real time
Analytical technique:
Vis-UV absorption
Comments:
The rate constant is much higher than the value from 1982KAS/MAN630.
View full bibliographic record.
Rate constant values calculated from the Arrhenius expression:
| T (K) | k(T) [cm3/molecule s] |
|---|---|
| 303 | 4.74E-10 |
| 350 | 5.54E-10 |
| 400 | 6.27E-10 |
| 450 | 6.91E-10 |
| 500 | 7.47E-10 |
| 550 | 7.96E-10 |
| 600 | 8.39E-10 |
| 650 | 8.77E-10 |
| 700 | 9.11E-10 |
| 750 | 9.42E-10 |
| 800 | 9.70E-10 |
| 850 | 9.95E-10 |
| 900 | 1.02E-9 |
| 916 | 1.02E-9 |