Open Access
Table A.2
Tunnelling barriers assumed for grain-surface reactions.
| Reaction | Tunnelling Barrier / K |
|---|---|
| CO + OH → CO2 + H | 400 |
| CO + H → HCO | 2500 |
| C2H2 + H → C2H3 | 1210 |
| C2H4 + H → C2H5 | 750 |
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