Across
- 3. heat content of a chemical system
- 5. all existing matter and space considered as a whole
- 8. universe = system + surroundings
- 9. energy of motion
- 10. energy is absorbed
Down
- 1. energy that is stored
- 2. everything outside the system
- 4. energy is released
- 6. flask or contents of the reaction, wherever the chemicals are located
- 7. the study of heat changes that occur during chemical reactions