Balancing Chemical Equations

123456789101112
Across
  1. 2. reactions usually occur faster at higher _____
  2. 4. the process in which atoms are rearranged to produce new
  3. 5. reaction rate is higher when reactant _____ is higher
  4. 8. _____ can increase reaction rate by bringing together reactants
  5. 9. crushing or grinding solids increases _____ and reaction rate
  6. 10. substances formed in a chemical reaction
  7. 11. uses chemical symbols and numbers to represent a given substance
  8. 12. state that energy can’t be created or destroyed only change form
Down
  1. 1. expression that uses symbols to show relationship between starting substances and substances that are produced by chemical reaction
  2. 3. substances that participate in chemical reaction
  3. 6. chemical that requires input of energy
  4. 7. chemical reaction when energy is released to surroundings