Across
- 4. reaction or process accompanied by the release of heat
- 5. a state of balance between opposing forces or actions
- 6. a substance that takes part in and undergoes change during a reaction
- 8. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- 9. a substance that is present at the end of a chemical reaction
Down
- 1. characterized by or formed with absorption of heat
- 2. reaction, a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
- 3. Energy, energy required for a chemical reaction to occur
- 7. proteins that help speed up metabolism, or the chemical reactions in our bodies