Rates of Reaction

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Across
  1. 3. AREA Amount of exposed solid that affects reaction speed
  2. 6. Chemical pathway with lower activation energy
  3. 7. Substance present at the start of a chemical reaction
  4. 11. FREQUENCY How often reactant particles collide per second
  5. 12. Type of reaction that releases energy to surroundings
  6. 13. THEORY Model explaining why only some collisions cause reactions
  7. 14. Particles must collide in the correct ____ to react
  8. 15. LOSS Decrease in mass used to calculate rate of reaction
  9. 17. Opposite of exothermic; energy is absorbed
  10. 19. Factor increased to raise average kinetic energy of particles
Down
  1. 1. SYRINGE Tool used to measure volume of gas produced in rate experiments
  2. 2. Substance that increases reaction rate without being used up
  3. 4. COLLISION Collision that produces a chemical change
  4. 5. The breaking and forming of chemical bonds over time
  5. 6. THEORY Theory stating particles must collide to react
  6. 8. PER SECOND Unit commonly used for rate when measuring gas volume
  7. 9. SURFACE AREA Solid broken into smaller pieces reacts faster because of this
  8. 10. Amount of reactant per unit volume in solution
  9. 16. ENERGY Minimum energy required for a reaction to occur
  10. 18. Reaction rate usually increases when this is raised (gas reactions)