Unit 7 It Matters!!

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Across
  1. 1. Absorbs heat
  2. 4. A change from gas to solid without condensing into a liquid
  3. 6. The temperature at which a solid becomes a liquid
  4. 11. Releases heat
  5. 12. thermal energy in transfer from one body of matter to another
  6. 13. The amount of energy required for the liquid at its boiling point to become a gas
  7. 15. the pressure produced when vapor particles above a liquid in a sealed container collide with the container walls.
  8. 17. The change of state from a gas to a liquid
  9. 18. Amount of energy required to change a substance from the solid phase to the liquid phase.
  10. 19. The change of a substance from a liquid to a gas below the boiling point.
  11. 22. stored energy that results from the position or shape of an object
  12. 23. the amount of heat absorbed or released during a chemical process. ΔH is the symbol.
Down
  1. 2. the temperature and pressure conditions at which the solid, liquid, and gaseous phases of a substance coexist at equilibrium
  2. 3. SI unit of energy
  3. 5. the energy required to raise the temperature of one gram of a substance by one degree Celsius
  4. 7. the law that states that energy cannot be created or destroyed but can be changed from one form to another
  5. 8. energy of motion
  6. 9. the contribution each gas in a mixture makes to the total pressure
  7. 10. an instrument or equipment used to measure changes in thermal energy
  8. 14. The temperature at which a liquid changes to a gas
  9. 16. A change directly from the solid to the gaseous state without becoming liquid
  10. 20. A measure of the average energy of motion of the particles of a substance.
  11. 21. The change of state from a liquid to a solid