Across
- 3. measure of the total energy of a thermodynamic system
- 4. decreases activity in chemical reactions
- 5. a collision between two reactants with the correct orientation and with sufficient energy to overcome the activation energy barrier
- 7. the outside part or uppermost layer
- 8. slowest step of a chemical reaction that determines the speed (rate) of the overall reaction
- 9. study of the speed with which a chemical reaction occurs and the factors that affect this speed
- 11. the abundance of a constituent divided by the total volume of a mixture
- 12. the physical state of elements or compounds that are taking part in a chemical reaction
- 15. behavior of a reaction
- 16. the exertion of force upon a surface by an object
Down
- 1. the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
- 2. explains how chemical reactions occur and why reaction rates differ for different reactions
- 4. a collision between two reactants with the incorrect orientation and with insufficient energy to overcome the activation energy barrier
- 6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- 8. step by step sequence of elementary reactions by which overall chemical change occurs
- 10. transition state molecule, with some bonds partially broken and other bonds partially formed
- 13. the degree or intensity of heat present in a substance
- 14. how fast or slow a reaction takes place