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Boyle’s Law

Boyle’s Law. You added 15 L of air to a balloon at sea level (1.0 atm ). If you take the balloon with you to Denver, where the air pressure is 0.85 atm , what will the new volume of the balloon be ?

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Boyle’s Law

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  1. Boyle’s Law • You added 15 L of air to a balloon at sea level (1.0 atm). If you take the balloon with you to Denver, where the air pressure is 0.85 atm, what will the new volume of the balloon be? • If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

  2. Boyle’s Law • I’ve got a car with an internal volume of 12,000 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

  3. Answers • P1V1 = P2V2 • (1.0 atm)(15 L) = (0.85 atm)(x) • x = 18 L • P1V1 = P2V2 • (1.5 atm)(5.6 L) = (x)(4.8 L) • x = 1.8 atm

  4. Answers (cont.) • P1V1 = P2V2 • (1.0 atm)(12,000 L) = (1.4 atm)(x) • x = 8600 L

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