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Across
  1. 2. SI unit of energy
  2. 5. System that exchanges energy, not matter
  3. 6. Making a solution less concentrated
  4. 9. System that exchanges matter and energy
  5. 10. Measure of disorder
  6. 13. Medium that dissolves solute
  7. 15. Everything outside the system
  8. 18. Total heat content of a system
  9. 19. Energy to raise 1g by 1°C
  10. 21. Point where no more solute dissolves
  11. 22. Unit of heat energy
  12. 23. Slows down a chemical reaction
Down
  1. 1. Ability to dissolve in a solvent
  2. 3. Absorbs heat from surroundings
  3. 4. Releases heat to surroundings
  4. 5. Speeds reaction without being used up
  5. 7. Study of reaction rates
  6. 8. Dissolved in water
  7. 11. Speed of a chemical reaction
  8. 12. Solid formed in a solution reaction
  9. 14. Amount of solute in solution
  10. 16. No exchange of matter or energy
  11. 17. Model explaining reaction rates
  12. 19. Portion of universe under study
  13. 20. Minimum energy to start reaction