Unit 9 Vocab

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Across
  1. 1. 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
  2. 4. intensive property of a substance that represents the quantity of heat required to raise the temperature of 1 gram of the substance by 1 degree Celsius (or 1 kelvin)
  3. 9. extensive property of a body of matter that represents the quantity of heat required to increase its temperature by 1 degree Celsius (or 1 kelvin)
  4. 12. device used to measure the amount of heat absorbed or released in a chemical or physical process
  5. 13. energy of a particle or system of particles derived from relative position, composition, or condition
  6. 14. energy of a moving body, in joules, equal to 1/2đť‘šđť‘Ł^2 (where m = mass and v = velocity)
  7. 18. process chemical reaction or physical change that releases heat
  8. 20. change heat released or absorbed by a system under constant pressure during a chemical or physical process
Down
  1. 2. heat released when one mole of a compound undergoes complete combustion under standard conditions
  2. 3. transfer of thermal energy between two bodies
  3. 5. sum of a system’s internal energy and the mathematical product of its pressure and volume
  4. 6. unit of heat or other energy; the amount of energy required to raise 1 gram of water by 1 degree Celsius
  5. 7. law of thermodynamics internal energy of a system changes due to heat flow in or out of the system or work done
  6. 8. energy required to separate one mole of an ionic solid into its component gaseous ions
  7. 10. process of measuring the amount of heat involved in a chemical or physical process
  8. 11. total of all possible kinds of energy present in a substance or substances
  9. 15. capacity to supply heat or do work
  10. 16. energy transfer due to changes in external, macroscopic variables such as pressure and volume; or causing matter to move against an opposing force
  11. 17. unit of energy;
  12. 19. energy energy required to break a covalent bond in a gaseous substance