Crossword - Rates of Reaction

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Across
  1. 3. The measure of the total area of the exposed surfaces of a substance.
  2. 5. A measure of the amount of a substance in a given volume.
  3. 6. The appearance of ______is a sign energy in the form of heat has been released. For example, what do you see when you light a candle?
  4. 7. The substance that speeds up a chemical reaction without being consumed itself.
  5. 9. A solid formed in a chemical reaction is called a P.............
  6. 11. A reaction that releases energy, often in the form of heat and light. Often substances feel warm to the touch
  7. 12. A substance that slows down or inhibits a chemical reaction.
Down
  1. 1. This factor can significantly influence the rate of a chemical reaction.
  2. 2. A substance that is present at the beginning of a chemical reaction
  3. 4. A chemical reaction in which heat is absorbed from the surroundings; often substances appear cold to the touch
  4. 8. The formation of bubbles during a reaction is a sign of ____ being produced.
  5. 10. A visible change in _________can be a strong indicator of this in a chemical reaction.