Happy

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Across
  1. 1. is the process by which a gas changes to a liquid
  2. 4. Such spontaneous mixing of the particles of two substances caused by their random motion
  3. 7. is a substance that can flow and therefore take the shape of its container
  4. 8. the physical change of a liquid to a solid by removal of energy as heat
  5. 10. any part of a sample with uniform composition and properties
  6. 12. the conversion of a liquid to a vapor within the liquid as well as at its surface
  7. 14. the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire lattice
  8. 15. a substance indicates the critical temperature and critical pressure
Down
  1. 2. the change of state from a gas directly to a solid
  2. 3. is a process by which gas particles pass through a tiny opening into a vacuum
  3. 5. is the process by which particles escape from the surface of a non-boiling liquid and enter the gas state
  4. 6. is a hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory
  5. 9. is a dynamic condition in which two opposing changes occur at equal rates in a closed system
  6. 11. is the physical change of a solid to a liquid by the addition of energy as heat
  7. 13. The process by which a liquid or solid changes to a gas
  8. 15. is a substance in which the particles are arranged in an orderly, geometric, repeating pattern