Chemical Energetics

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Across
  1. 3. – A process that takes in energy from sunlight.
  2. 6. - A process in which one or more substances are converted into new substances with different properties.
  3. 7. – A chemical reaction that releases energy in the form of heat.
  4. 8. – The energy content of a system, symbolized as H.
  5. 10. – What happens to energy in an exothermic reaction.
  6. 11. – Indicates how hot or cold a substance is; changes during reactions.
  7. 12. – A chemical reaction that absorbs energy from its surroundings..
Down
  1. 1. – The minimum energy required to start a chemical reaction.
  2. 2. – A tool used to measure temperature changes in experiments.
  3. 4. – The starting substances in a chemical reaction.
  4. 5. – The substances formed after a chemical reaction.
  5. 9. – What happens to energy in an endothermic reaction.