Unit 2: Thermochemistry

1234567891011121314151617181920
Across
  1. 2. change from a liquid state to a solid state
  2. 4. portion of matter undergoing a chemical or physical change being studied
  3. 8. A -------process where a chemical reaction or physical change absorbs heat
  4. 12. change from liquid state to gaseous state
  5. 13. study of measuring the amount of heat absorbed or released during a chemical reaction or a physical change
  6. 15. A ------process where a chemical reaction or physical change that releases heat
  7. 17. and enthalpy ------ id the heat released or absorbed by a system under constant pressure during a chemical or physical process
  8. 19. process of measuring the amount of heat involved in a chemical or physical process
  9. 20. change from a gaseous state directly to a solid state
Down
  1. 1. energy of a moving body
  2. 3. Whos law states that if a process can be represented as the sum of several steps, the enthalpy change of the process equals the sum of the enthalpy changes of the steps
  3. 4. change from solid state directly to gaseous state
  4. 5. change from a solid state to a liquid state
  5. 6. all matter other than the system being studied
  6. 7. The transfer of thermal energy between two bodies
  7. 9. energy of a particle or system of particles derived from relative position, composition, or condition
  8. 10. A ------- calorimeter is a device designed to measure the energy change for processes occurring under conditions of constant volume.
  9. 11. sum of a system’s internal energy and the mathematical product of its pressure and volume
  10. 14. change from a gaseous to a liquid state
  11. 16. energy transfer due to changes in external, macroscopic variables such as pressure and volume; or causing matter to move against an opposing force
  12. 18. The capacity to supply heat or do work.