Chemistry: Boyle’s Law (Gas Laws) with 2 examples
For a gas, pressure and volume are inversely proportional. If you keep everything else constant, then as the pressure on a gas goes up, its volume goes down. As the volume a gas occupies goes up, its pressure goes down.
Robert Boyle stated the inverse relationship between pressure and volume as a Gas Law. Boyle’s Law says that for a given amount of gas, at fixed temperature, pressure and volume are inversely proportional. P ∝ 1/V. You can write this mathematically as P = k/V
We include two example problems worked in full.
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You can click on the links below to jump to sections in the lesson:
0:07 Definition of Boyle’s Law
1:47 Using Boyle’s Law to compare two situations (before and after)
2:12 Example 1
3:18 Example 2
4:12 Other gas laws
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Related videos about gases:
Charles’s Law
Gay-Lussac’s Law
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We recommend the following books:
Brown and LeMay Chemistry: The Central Science
13th edition:
14th edition:
McGraw/Hill Chemistry by Chang & Goldsby
Uncle Tungsten: Memories of a Chemical Boyhood by Oliver Sacks
Napoleon’s Buttons: How 17 Molecules Changed History
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Written and Produced by Kimberly Hatch Harrison
About our instructor:
Kimberly Hatch Harrison received degrees in Biology and English Literature from Caltech before working in pharmaceuticals research, developing drugs for autoimmune disorders. She then continued her studies in Molecular Biology (focusing on Immunology and Neurobiology) at Princeton University, where she began teaching as a graduate student. Her success in teaching convinced her to leave the glamorous world of biology research and turn to teaching full-time. Kimberly taught AP Biology and Chemistry at an exclusive prep school for eight years. She is now the head writer and producer of Socratica Studios.
