Chemical reactions

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Across
  1. 3. equation symbolic representationntion of a chemical reaction
  2. 6. increases rate of chemical reaction
  3. 7. displacement reaction when one element is
  4. 8. manufactured substance
  5. 11. release of heat
  6. 12. loses more fluid then taken in
Down
  1. 1. group of atoms bonded together
  2. 2. action preformed
  3. 4. absorption absobtion of heat
  4. 5. combination of ideas
  5. 9. process of burning something
  6. 10. undergo change during a reaction