Across
- 1. Process to make ammonia
- 3. Needed for the Haber process, obtained from the atmosphere
- 8. A reaction which goes in the forward and backward direction
- 9. Reaction that gives out heat energy
Down
- 2. NH3
- 4. Reaction that takes in heat energy
- 5. Energy needed to start a reaction
- 6. System needed for an equilibrium
- 7. Catalyst for the Haber process