Chemistry- Rate of Reaction

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Across
  1. 7. Accompanied by the release of heat.
  2. 8. A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form
Down
  1. 1. the science that deals with the composition and properties of substances and various elementary forms of matter.
  2. 2. An instance of one moving object or person striking violently against another.
  3. 3. Accompanied by or requiring the absorption of heat.
  4. 4. The minimum amount of energy required to initiate a reaction
  5. 5. is the rate at which the reactants of a chemical reaction form the products.
  6. 6. A substance that slows down or prevents a particular chemical reaction or other process.
  7. 9. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.