Across
- 2. any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
- 5. the substances that interact to form a new substance in a chemical reaction
- 7. description of a chemical reaction in which there is a net release of energy
- 8. the amount of energy required to pull two bonded atoms apart, which is the same amount of energy released when two atoms are brought together into a bond
- 9. a rapid exothermic reaction between a flammable substance and oxygen
- 11. the new materials formed in a chemical reaction
Down
- 1. a measure of how quickly the concentration of products in a chemical reaction increases or the concentration of reactants decreases
- 3. a representation of a chemical reaction in which reactants are written to the left of an arrow that points towards the products on the right
- 4. this states that matter is neither created nor destroyed during a chemical reaction; atoms are merely rearranged to form new molecules
- 6. the minimum energy required in order for a chemical reaction to proceed
- 10. description of a chemical reaction in which there is a net absorption of energy