Across
- 3. Force per unit area from particle collisions.
- 4. A reaction that absorbs heat energy.
- 6. The total energy of a system.
- 8. A reaction that releases heat energy.
- 10. The amount of substance in a given volume.
- 12. Biological catalysts that speed up reactions.
Down
- 1. A reaction with oxygen that releases energy.
- 2. reactions - reactants can turn into products
- 5. A measure of average particle energy.
- 7. When particles hit each other.
- 9. A substance that speeds up a reaction without being used up.
- 11. Energy transferred due to a temperature difference.