Boyle's Law and Gas Properties Quiz
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Questions and Answers

In the context of gas laws, Boyle's Law states that the volume of a given mass of gas held at constant temperature is ____________ proportional to its pressure.

  • Exponentially
  • Directly
  • Inversely (correct)
  • Irrelevant
  • If a compressed gas cylinder has an initial volume of 85 L at an unknown pressure, and then the volume is increased to 120 L at 125 kPa, what is the initial pressure according to Boyle's Law?

  • 100 kPa
  • 200 kPa
  • 75 kPa
  • 176.47 kPa (correct)
  • According to Charles' Law, if a sample of hydrogen gas initially at 85°C and 7.2 L is cooled until its final volume is 4.1 L, what is the final temperature of the hydrogen gas?

  • -92°C
  • -110°C
  • -77°C (correct)
  • -64°C
  • Under Charles' Law, a gas tank holds 240 L of gas at 60°C. What volume would this same gas occupy at STP?

    <p>480 L</p> Signup and view all the answers

    Which gas law directly relates the Kelvin temperature and the volume of a gas when there is no change in pressure?

    <p>Charles' Law</p> Signup and view all the answers

    If a sample gas has a volume of 210 L at 1.7 atm, what will the gas volume be at a pressure of 750 mmHg according to the gas laws?

    <p>297 L</p> Signup and view all the answers

    Study Notes

    Gas Laws: Volume and Pressure

    • Boyle's Law states that the volume of a given mass of gas held at constant temperature is inversely proportional to its pressure.
    • The mathematical representation of Boyle's Law is P1V1 = P2V2.

    Problems and Solutions: Boyle's Law

    • A compressed gas cylinder has a volume of 85 L at an unknown pressure, and the volume is increased to 120L at 125 kPa. The initial pressure can be calculated using Boyle's Law.
    • A gas tank holds 2785 L of propane at 830mm Hg, and the volume of the propane at standard pressure can be calculated.
    • A sample gas has a volume of 210 L at 1.7 atm, and the volume can be calculated at different pressures (750 mmHg, 2.1 atm, 150 kPa) using Boyle's Law.

    Gas Laws: Volume and Temperature

    • Charles' Law states that the Kelvin temperature and the volume of the gas are directly related when there is no change in pressure.
    • The mathematical representation of Charles' Law is V1/V2 = T1/T2.

    Problems and Solutions: Charles' Law

    • A sample of hydrogen gas initially at 85°C and 7.2 L is cooled until its final volume is 4.1 L, and the temperature of the H2 can be calculated.
    • A sample of gas is collected at 60°C and has a volume of 240 cm^3. The volume of this sample of gas at STP can be calculated using Charles' Law.

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    Description

    Test your knowledge on Boyle's Law and gas properties, including the relationships between pressure and volume. This quiz covers the fundamentals of Boyle's Law and its application to solving problems related to changes in gas volume and pressure.

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