Enthalpy

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Across
  1. 1. a push or a pull
  2. 4. Do these increase or decrease a reaction rate: stirring, adding heat, adding a catalyst, increasing the concentration
  3. 7. Do these increase or decrease a reaction rate: cooling down, adding water, adding less reactants
  4. 9. The change in heat.
  5. 12. the rate at which an object speeds up or slows down.
  6. 15. Newtons law that states force is equal to the change in momentum per the change in time.
  7. 16. Newtons law that states an object at rest will stay at rest and an object in motion will stay in motion.
  8. 17. Newtons law that states forces always come in pairs, equal in size, and opposite in direction.
Down
  1. 2. a chemical used to speed up a reaction.
  2. 3. speed
  3. 5. The release of heat leaving the surrounds warmer.
  4. 6. mass in motion
  5. 8. The Conservation of ___ states that a substance cannot be created or destroyed.
  6. 10. the molecules that come out of a reaction.
  7. 11. 6.02 x 10^23 atoms
  8. 13. The absorption of heat leaving the surrounds colder.
  9. 14. the molecules that go in to a reaction.