Rates of Reactions

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Across
  1. 2. for a reaction to happen the particles must _______
  2. 5. chemical on the left of the arrow in a reaction equation
  3. 6. a measure of the number of particles in a given volume
  4. 9. increasing this favours the side of the reaction with the least gas molecules
  5. 10. the container needed for a reaction to reach equilibrium
  6. 11. sodium _________ reacts with acid to produce a cloudy precipitate
  7. 12. name of the energy needed for a reaction to occur
Down
  1. 1. a reaction which can go either forward or backward
  2. 3. the term to describe enzymes which no longer work due to excess heat
  3. 4. a reaction which releases energy to its surroundings
  4. 6. added to a reaction to speed it up, but is not used up
  5. 7. the opposite of an exothermic reaction
  6. 8. straight line to a curve to calculate the rate of reaction