HC Unit 7 Vocab

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Across
  1. 3. two atoms that slam together to form a heavier atom
  2. 8. two substances in physical contact with each other exchange no heat energy
  3. 9. amount of energy stored in a bond between atoms in a molecule
  4. 10. quantity of heat required to raise temperature one gram of a substance by one celsius degree
  5. 13. quantities of heat evolved or absorbed during chemical reaction
  6. 14. process in which a gas changes directly to a solid
  7. 15. process of measuring the amount of heat released or absorbed in a chemical reaction
Down
  1. 1. very simplified representation of the valence shell electrons in a molecule
  2. 2. chemical reactions that release energy
  3. 4. total heat content of a system
  4. 5. values which depend on the state of the substance
  5. 6. average kinetic energy of all the atoms or molecules of that substance
  6. 7. process in which a solid changes into a gas
  7. 11. chemical reactions that absorbs thermal energy
  8. 12. device used to measure the amount of heat involved in a chemical or physical process