Across
- 2. A factor that can change.
- 5. A substance that is changed during a reaction.
- 9. A reaction in which an insoluble product is formed from soluble reactants.
- 11. A reaction where a more reactive element takes the place of a less reactive element in a compound.
- 12. A reaction in which an acid reacts with a base to produce a salt and water only.
- 14. An enzyme in which the shape of the active site has changed so much that its substrate no longer fits and the reaction can no longer happen.
- 15. A protein produced by living organisms that acts as a catalyst to increase the rate of a reaction.
Down
- 1. A measure of how much solute is dissolved in a solvent such as water.
- 3. A reaction in which energy is transferred from the reactants to the surroundings. The temperature of the surroundings increases.
- 4. A substance that increases the rate of a reaction without itself being used up.
- 6. The new substances made in a chemical reaction. These are written on the right side, after the arrow, in a word equation.
- 7. The substances that take part in a chemical reaction. These are written on the left side, before the arrow, in a word equation.
- 8. A reaction in which energy is transferred to the reactants from the surroundings. The temperature of the surroundings decreases.
- 10. How quickly something happens.
- 13. Chemical change that forms a new substance