The Gas LawsThree relationships between pressure, volume and temperature.10th GradeThe behaviour of a gas is described by howpressure, volume and temperature tradeagainst each other.COMBINED LAWP₁V₁/T₁ = P₂V₂/T₂Boyle's law: pressure and volume are inversely proportional at fixed temperature.Charles's law: volume and temperature are directly proportional at fixed pressure.Gay-Lussac's law: pressure and temperature are directly proportional at fixed volume.Temperature must always be in kelvin: K = °C + 273.The combined gas law contains all three.LOOK FOR ITSqueeze a sealed syringe and the pressure rises as the volume falls —Boyle's law.Using celsius makes ratios meaningless, because 0°C is not zeroheat. Kelvin starts at absolute zero.The Gas Lawswww.littleactivity.com

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Science · 10th Grade

The Gas Laws

Three relationships between pressure, volume and temperature.

How to use it

Temperature must be in kelvin. That single step fixes most wrong answers.

Free · print-ready PDF · US Letter and A4

Grade
10th Grade
Ages
15–16
Subject
Science
Pages
1

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