Physical Characteristics of Gases Quiz
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Questions and Answers

What is the most compressible state of matter?

  • Plasmas
  • Solids
  • Liquids
  • Gases (correct)
  • Which instrument is used for measuring atmospheric pressure?

  • Hygrometer
  • Manometer
  • Thermometer
  • Barometer (correct)
  • What is the SI unit of pressure?

  • Newton (N)
  • Joule (J)
  • Pascal (Pa) (correct)
  • Torque (Nm)
  • What is the standard atmospheric pressure equivalent to in torr?

    <p>760 torr</p> Signup and view all the answers

    What are the four physical properties of gases mentioned in the text?

    <p>Pressure, Volume, Temperature, Amount</p> Signup and view all the answers

    Study Notes

    • Gases take the shape and volume of their containers, making them compressible and able to mix evenly when confined.
    • Gases have much lower densities than liquids and solids.
    • Pressure is a physical property of gases, exerted on any surface they come into contact with. The unit of pressure is pascal (Pa), with 1 atm being equal to 101,325 Pa.
    • Atmospheric pressure is the force exerted by the column of air at sea level, with standard atmospheric pressure (1 atm) equal to 760 mmHg or 101,325 Pa.
    • Barometer is an instrument used to measure atmospheric pressure. Manometers are used to measure gas pressures, such as closed tube manometers and open tube manometers. For example, a reading of 800 mmHg on a manometer would correspond to a pressure of 820 mmHg (800 mmHg + atmospheric pressure).

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    Description

    Test your knowledge about the physical characteristics of gases with this quiz. Learn about the properties of gases, their compressibility, and their behavior in different containers.

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