unit 5 crossword puzzle

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Across
  1. 4. kilopascal
  2. 5. xi=ni/ntot
  3. 9. amount of space in something
  4. 11. unit of temp in chemistry
  5. 13. symbol:torr
  6. 14. millimeters mercury
  7. 15. degree of compactness of a substance
  8. 16. used to measure pressure in closed system
  9. 18. force per unit area
  10. 19. expand to fill their containers
  11. 20. symbol Pa
Down
  1. 1. Ideal Gas Law
  2. 2. K3T
  3. 3. coldest possible temp (absolute zero)
  4. 6. equal to 10^3cm^3
  5. 7. symbol: n
  6. 8. used to measure pressure in open system
  7. 10. K1n
  8. 12. K2/P
  9. 17. atmosphere