chapter 13

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