http://www.ck12.org Chapter 14. The Properties of Gases
Lesson Review Questions
- Why do you suppose the pressure of atmospheric gases increases with proximity to earth? Why aren’t the
gases evenly distributed throughout the entire reaches of the atmosphere? Study the PhET simulation for
further illustration here: http://phet.colorado.edu/en/simulation/states-of-matter. - Draw a diagram showing how particles exert pressure on the wall of a container.
- If you were to double the pressure of the bicycle tire from 46 psi to 92 psi, what would be the new pressure in
atm? - The average atmospheric pressure in Denver is 0.830 atm. Express this pressure in mm Hg.
- Convert a pressure of 570. torr to atmospheres.
- Convert 8.5 psi to torr.
Further Reading/Supplemental Links
- Weeks, M. E. (1934). Daniel Rutherford and the discovery of nitrogen. Journal of Chemical Education, 11(2),
101. doi: 10.1021/ed011p101 - Properties of gases: http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch4/properties2.html
- Review of air pressure: http://kids.earth.nasa.gov/archive/air_pressure/
Points to Consider
- In this lesson we studied gas pressure and how it is measured. How do you think pressure is affected by
changes in temperature, amount of gas, and volume?