Chapter 11: Gases

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Across
  1. 1. Pressure is the result of the ___ of gas molecules with the walls of their container
  2. 3. In _____'s law, temperature is constant
  3. 7. Gases are ____ because their molecules are separated by large distances
  4. 9. root mean square _____
  5. 10. the escape of gas molecules from a container into a vacuum
  6. 12. SI unit of pressure
  7. 13. An ____ gas is a hypothetical sample of a gas whose pressure-volume-temperature behavior is predicted by the ideal gas equation
  8. 16. Gases form _____ mixtures with one another in any proportion
  9. 18. Gas molecules are in constant random motion, moving in straight paths, colliding in perfectly elastic collisions
  10. 19. Pressure increases as ___ frequency increases
  11. 20. Kinetic _____ Theory explains how the nature of gases gives rise to their macroscopic properties
Down
  1. 2. The densities of gases are much ____ than those of liquids and solids
  2. 4. Graham's law states that the rate of diffusion is ______ proportional to the square root of its molar mass
  3. 5. force applied per unit area
  4. 6. mixing of gases as the result of random motion and frequent collisions
  5. 8. heating a sample of a gas increases its average ____ energy
  6. 11. Decreasing ____ increases the frequency of collisions
  7. 14. The average kinetic energy of gas molecules in a sample is proportional to the ____ temperature
  8. 15. SI unit of force
  9. 17. special set of conditions at which the pressure is 1 atm