Across
- 3. no atoms are gained or lost during any reaction
- 4. also known as activation energy
- 7. a net release of energy
- 9. concentrated solutions react -----
- 10. a substance that lowers the activation energy of a chemical reaction
Down
- 1. a net absorption of energy
- 2. how quickly the concentration of reactants decreases and how quickly the concentration of products increases
- 5. when reaction and it's reverse act at the same rate
- 6. the rate of a reaction is ------- on the collisions among molecules
- 8. reaction rates are affected by catalysts, temperature, pressure, surface area, and what?