Across
- 3. opposite of hot
- 5. the theory stating that particles involved in a chemical reaction must collide in order to react
- 7. a catalyst in living organisms
- 10. smaller reactant pieces have a larger...
Down
- 1. the number of active molecules in a set volume of solution
- 2. mild temperature typically of water
- 4. not cold
- 6. the measure of the amount of heat
- 8. increases reaction rate by phycially making the reactants bump together more often
- 9. increases the reaction rate without itself undergoing chemical change