Vocab

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Across
  1. 2. accompanied by the release of heat
  2. 5. states that the total energy of an isolated system remains constant
  3. 6. a chemical reaction that is accompanied by the absorption of heat
Down
  1. 1. produces
  2. 3. the symbolic representation of a chemical reaction in the form of symbols and formulae
  3. 4. . A process in which atoms of the same or different elements rearrange themselves to form a new substance