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Empirical Gas Laws: Boyle's Law

Boyle's Law states that pressure is inversely proportional to the volume of a gas sample as long as the temperature and quantity (moles) of gas remains constant.
  1. The cartoon below represents a sealed container. One wall of the container is movable (the plunger). The cross-section of the piston is uniform throughout the length of the piston, so a incremental change in the position of the plunger results in a regular change in the volume of the cylinder.
  2. Note the initial pressure (atm or torr), temperature (K), and volume (L) of the system.
  3. Use the mouse to change the position of the plunger.
  4. Examine the change in pressure as the volume of gas inside the piston is varied.
  5. Record the new pressure (atm or torr), temperature (K), and volume (L) of the system.
  6. Repeat the previous 2 steps at least 5 times to get enough points for a reasonable graphical analysis.



    Original Applet Copyright © 1998 Rensselaer Polytechnic Institute. All Rights Reserved.
    Lab notes and instructions written by Jimmy Tung, Hargrave Military Academy.