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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 ...

    35.8K views
    5.2 : Gas Laws: Boyle's, Gay-Lussac, Charles', Avogadro's, and Ideal Gas Law03:19

    5.2 : Gas Laws: Boyle's, Gay-Lussac, Charles', Avogadro's, and Ideal Gas Law

    Through experiments, scientists established the mathematical relationships between pairs of variables, such as pressure and temperature, pressure and ...

    65.8K views
    5.3 : Applications of the Ideal Gas Law: Molar Mass, Density, and Volume03:43

    5.3 : Applications of the Ideal Gas Law: Molar Mass, Density, and Volume

    The volume occupied by one mole of a substance is its molar volume. The ideal gas law, PV = nRT,  suggests that the volume of a given quantity of gas ...

    56.3K views
    5.4 : Mixtures of Gases: Dalton's Law of Partial Pressures and Mole Fractions03:03

    5.4 : Mixtures of Gases: Dalton's Law of Partial Pressures and Mole Fractions

    Unless individual gases chemically react with each other, the individual gases in a mixture of gases do not affect each other’s pressure. Each gas ...

    39.0K views
    5.5 : Chemical Stoichiometry and Gases: Using Ideal Gas Law to Determine Moles03:12

    5.5 : Chemical Stoichiometry and Gases: Using Ideal Gas Law to Determine Moles

    Chemical stoichiometry describes the quantitative relationships between reactants and products in chemical reactions. In addition to measuring quantities ...

    24.5K views
    5.6 : Basic Postulates of Kinetic Molecular Theory: Particle Size, Energy, and Collision02:43

    5.6 : Basic Postulates of Kinetic Molecular Theory: Particle Size, Energy, and Collision

    The ideal-gas equation, which is empirical, describes the behavior of gases by establishing relationships between their macroscopic properties. For ...

    33.7K views
    5.7 : Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules02:34

    5.7 : Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules

    The test of the kinetic molecular theory (KMT) and its postulates is its ability to explain and describe the behavior of a gas. The various gas laws ...

    32.4K views
    5.8 : Kinetic Molecular Theory: Molecular Velocities, Temperature, and Kinetic Energy03:07

    5.8 : Kinetic Molecular Theory: Molecular Velocities, Temperature, and Kinetic Energy

    The kinetic molecular theory qualitatively explains the behaviors described by the various gas laws. The postulates of this theory may be applied in a ...

    27.3K views
    5.9 : Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

    5.9 : Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

    Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many ...

    28.5K views
    5.10 : Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation04:01

    5.10 : Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation

    Thus far, the ideal gas law, PV = nRT, has been applied to a variety of different types of problems, ranging from reaction stoichiometry and empirical and ...

    34.4K views
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