Behavior of Gases

Study Questions

 

  1. What is pressure?
  2. How is the force transferred from the molecules to the container?
  3. What is density?
  4. How is pressure directly related to density?
  5. How can the density of an object be changed?
  6. What is temperature?
  7. How is temperature related to pressure?
  8. Use the kinetic theory of matter to explain why a change in temperature will change the pressure of a gas?
  9. How is the effect increasing temperature on the pressure different if a container is unable to expand?
  10. What type of relationship exists between temperature and volume?
  11. What type of relationship exists between pressure and volume?
  12. What is the SI unit for pressure?
  13. What did Boyle find happened to the volume when he increase the pressure of a gas?
  14. What is Boyle’s law?
  15. The initial volume of a gas is 24L and its pressure is 101 kPa.  What is the new volume if the pressure increases to 303 kPa?
  16. If the volume in problem 15 was increased to 48 L what happens to the pressure
  17. Use the kinetic theory to explain Boyle’s Law.
  18. During his study of hot air balloons, what did Charles learn about the relationship of volume and temperature?
  19. What is Charles Law?
  20. The volume of an expandable bottle is 3L when the temperature is 200K.  If the temperature is increased to 800K what happens to the volume?
  21. Use the kinetic theory to explain Charles Law.
  22. What four variables are found in the Combined Gas Law?
  23. In Boyle’s Law temperature is kept constant.  In Charles’s Law pressure is kept constant.  Which of the variables is a constant in the Combined Gas Law?
  24. 25 mol of CO2 at 473K in a volume of 30L has a pressure of 1000kPa? If 5 mol of CO2 is added what is the new volume if the temperature changes to 800K and the pressure remains constant?
  25. A gas has a volume of 38L, a temperature of 273K and a pressure of 101 kPa.  The pressure is increased to 303 kPa and the temperature to 373K.  The number of moles remains constant.  What is the new volume?
  26. What two variables are constant in Boyles Law?
  27. What two variables are constant in Charles Law?
  28. What two variables are constant in Gay Lussacs Law?
  29. What variable is constant in all four gas laws?
  30. According to Gay Lussacs Law what kind of relationship exists between temperature and pressure?
  31. Use the Kinetic Theory to explain Gay Lussacs Law.
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