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Core - Chemistry

    Chapter 5

    Gases

    5.1 : Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer02:57

    5.1 : Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer

    Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small, any ...

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