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Boyle

Definition

Boyle's Law states that the pressure of a given mass of gas is inversely proportional to its volume, provided the temperature remains constant. Mathematically, it is represented as $P \propto \frac{1}{V}$ or $PV = k$ where $k$ is a constant.

5 Must Know Facts For Your Next Test

  1. Boyle's Law applies only when the temperature and amount of gas are kept constant.
  2. The law can be derived from the kinetic theory of gases, which assumes that gas molecules move randomly and collisions are elastic.
  3. Graphically, Boyle's Law can be represented as a hyperbolic curve when plotting pressure vs. volume.
  4. Boyle's Law helps explain behaviors in various real-life applications such as scuba diving and syringe operations.
  5. The product of pressure and volume for a given mass of gas at constant temperature remains constant ($P_1V_1 = P_2V_2$).

Review Questions

  • What happens to the pressure of a gas if its volume is halved while keeping the temperature constant?
  • How does Boyle's Law relate to the kinetic theory of gases?
  • What type of graph represents Boyle's Law?

Related terms

Charles's Law: Charles's Law states that the volume of an ideal gas is directly proportional to its absolute temperature at constant pressure.

Ideal Gas Law: $PV = nRT$, combining Boyle's, Charles', and Avogadro's laws to describe the state of an ideal gas.

Kinetic Theory of Gases: A theory explaining the macroscopic properties of gases by considering their molecular composition and motion.



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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.