Tess Pennington Chapter 13

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Across
  1. 6. energy is transferred to reactants from surroundings
  2. 8. released during an exothermic reaction
  3. 9. if changed the equilibrium shifts to oppose change until new equilibrium is reached.
  4. 10. when reaction and its reverse at the same rate
  5. 11. two compounds change
  6. 12. must be added to break bonds
  7. 13. no plus sign on left of arrow
  8. 15. no plus sign on the right of arrow
Down
  1. 1. substance that undergoes a chemical change
  2. 2. one compound changes
  3. 3. energy stored in molecules that can be released during a reaction
  4. 4. normally contains oxides
  5. 5. energy transfers from reactants to surroundings
  6. 7. substance that is the result of a chemical change
  7. 14. how many atoms of a paticular element
  8. 16. needed to start a chemical change