Unit 2: Thermochemistry

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Across
  1. 2. change from solid state directly to gaseous state
  2. 3. change from a liquid state to a solid state
  3. 5. change from a solid state to a liquid state
  4. 7. the transfer of thermal energy between two bodies at different temperatures.
  5. 8. Over 90% of the energy we use comes from this?
  6. 11. change from liquid state to gaseous state
  7. 13. a quantitative measure of “hot” or “cold.
  8. 14. energy transfer due to changes in external, macroscopic variables such as pressure and volume; or causing matter to move against an opposing force
  9. 15. change from a gaseous state directly to a solid state
Down
  1. 1. change from a gaseous to a liquid state
  2. 4. sum of a system’s internal energy and the mathematical product of its pressure and volume calorimeter device used to measure the amount of heat absorbed or released in a chemical or physical process
  3. 6. process of measuring the amount of heat involved in a chemical or physical process
  4. 9. portion of matter undergoing a chemical or physical change being studied
  5. 10. can be defined as the capacity to supply heat or do work.
  6. 12. all matter other than the system being studied
  7. 13. energy kinetic energy associated with the random motion of atoms and molecules.