Across
- 2. a link between atoms
- 5. a written problem of chemical reactions
- 6. molecules needed to break and repair bonds
- 9. when molecules undergo a molecular rearrangement to produce a physical change
- 10. a change of state from liquid to solid
- 12. Delta H exothermic reaction
- 13. things they start with
- 15. a reaction that changes the physical properties of a substance or molecule
- 16. Endothermic reaction
Down
- 1. the ending thing
- 3. the release of heat
- 4. H Enthalpy change
- 7. Delta H endothermic reaction
- 8. unit of measurement equal to 1,000 joules
- 11. take in heat
- 14. an Endothermic reaction where heat is absorbed