Across
- 2. chemical that donates a hydrogen ion
- 3. C4H12+O2>CO2+H2O
- 6. states that matter is not created nor destroyed in a chemical reaction
- 8. the chemical equation must be...
- 12. Na+CaF2>Ca+NaF
- 13. cannot be changed when balancing an equation
- 15. no absorption of energy
Down
- 1. when reactions can be reversed
- 4. chemical that accepts a hydrogen ion
- 5. AB+CD>AD+CB
- 7. another name for base
- 9. Al2S3>Al+S8
- 10. the amount of energy required to pull two bonded atoms apart
- 11. no release of energy
- 14. NH3+HCl>NH4Cl