Table A.4
Surface reactions leading to surface products.
| Reactants | Products | Ea/K | Reference | |
|
|
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| ⊥H + ⊥H | → | ⊥H2 | 0 | |
| ⊥H + ⊥O | → | ⊥OH | 0 | |
| ⊥H + ⊥OH | → | ⊥H2O | 0 | |
| ⊥H + ⊥O3 | → | ⊥OH + ⊥O2 | 480 | c |
| ⊥H + ⊥O3 | → | ⊥OH + ⊥O2 | i, a(450) | |
| ⊥H + ⊥H2O2 | → | ⊥OH + ⊥H2O | 1000 | o(800–1250) |
| ⊥H + ⊥O2 | → | ⊥HO2 | 200 | b(0-250) |
| ⊥H + ⊥O2 | → | ⊥HO2 | j(0-200) | |
| ⊥H + ⊥H2O | → | ⊥OH + ⊥H2 | 9600 | r |
| ⊥H + ⊥HO2 | → | ⊥OH + ⊥OH | 0 | |
| ⊥H + ⊥CO | → | ⊥HCO | 600 | h, k |
| ⊥H + ⊥HCO | → | ⊥H2CO | 0 | |
| ⊥H + ⊥H2CO | → | ⊥CH3O | 400 | h, k |
| ⊥H + ⊥CH3O | → | ⊥CH3OH | 0 | |
| ⊥H + ⊥HCO | → | ⊥CO + ⊥H2 | 400 | q |
| ⊥H + ⊥H2CO | → | ⊥HCO ⊥H2 | 2250 | n |
| ⊥H + ⊥CH3O | → | ⊥H2CO + ⊥H2 | 150 | n |
| ⊥H + ⊥CH3OH | → | ⊥CH3O + ⊥H2 | 3000 | n |
| ⊥H + ⊥CO2 | → | ⊥CO + ⊥OH | 10 000 | n |
| ⊥O + ⊥O | → | ⊥O2 | 0 | |
| ⊥O + ⊥O2 | → | ⊥O3 | 0 | |
| ⊥O + ⊥O3 | → | ⊥O2 + ⊥O2 | 2300 | p |
| ⊥O + ⊥O3 | → | ⊥O2 + ⊥O2 | r(2000) | |
| ⊥O + ⊥HO2 | → | ⊥O2 + ⊥OH | 0 | |
| ⊥O + ⊥H2 | → | ⊥H + ⊥OH | 4640 | l |
| ⊥O + ⊥OH | → | ⊥O2 + ⊥H | 0 | |
| ⊥O + ⊥CO | → | ⊥CO2 | 160 | p(≥160) |
| ⊥O + ⊥CO | → | ⊥CO2 | e(290) | |
| ⊥O + ⊥HCO | → | ⊥CO2 + ⊥H | 0 | |
| ⊥O + ⊥H2CO | → | ⊥CO2 + ⊥H2 | 300 | q |
| ⊥OH + ⊥OH | → | ⊥H2O2 | 0 | |
| ⊥OH + ⊥H2 | → | ⊥H + ⊥H2O | 2100 | g |
| ⊥OH + ⊥CO | → | ⊥CO2 + ⊥H | 600 | d |
| ⊥OH + ⊥CO | → | ⊥CO2 + ⊥H | f(519), m(400) | |
| ⊥OH + ⊥HCO | → | ⊥CO2 + ⊥H2 | 0 | |
| ⊥HO2 + ⊥H2 | → | ⊥H + ⊥H2O2 | 5000 | o |
Notes. Note 1: The parentheses give barriers from respective studies.Note 2: Extra references given for reactions with similar barriers.Note 3: For unknown/uncertain barriers, the NISTn database is used.Note 4: The barriers for ⊥H+⊥CO and ⊥H+⊥H2CO are “effective”barriers deduced from h, k using their rates.
Reference. a: Lee et al. (1978), b: Walch et al. (1988); c: Atkinson et al. (1989); d: Duncan & Miller (2000); e: Roser et al. (2001); f: Yu et al. (2001); g: Atkinson et al. (2004); h: Awad et al. (2005); i: Cuppen & Herbst (2007); j: Miyauchi et al. (2008); k: Fuchs et al. (2009); l: Agúndez et al. (2010); m: Noble et al. (2011);n: NIST database; http://kinetics.nist.gov; o: Lamberts et al. (2013); p: Minissale et al. (2013b); q: Best estimate (priv. comm. Minissale);r: Cazaux et al. (2010).
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