Across
- 3. a process that leads to the transformation of one set of chemical substances to another
- 5. releases heat energy
- 6. occurs when a substance combines with another to create a new substance
- 8. result of chemical equation
- 10. substances that mix in a chemical reaction
- 11. Slows down a chemical reaction
Down
- 1. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
- 2. mass cannot be created nor destroyed
- 4. 2Ag+2HCl=2AgCl+H2
- 7. absorbed heat energy
- 9. Speed up a chemical reaction