Across
- 3. process where substances are chemically changed
- 5. energy change of a chemical reaction
- 7. everything outside the system
- 9. reaction that releases energy to surroundings
- 11. energy transferred due to a temperature difference
- 13. ability to do work or cause change
- 14. referring to per unit mass
- 15. measure of average kinetic energy of particles
Down
- 1. ability to store or absorb energy
- 2. force holding atoms together
- 4. device used to measure heat changes
- 6. reaction that absorbs energy from surroundings
- 8. movement of energy from one place to another
- 10. measurement of heat energy changes
- 12. the part of the reaction being studied