The Kinetic Molecular Theory Of Gases

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| By Ydmondragon
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The Kinetic Molecular Theory Of Gases - Quiz

This quiz is meant to check your understanding of material covered in lecture and in the reading. There may be more than 1 correct answer for each question. Mark as many as correctly answer the question.


Questions and Answers
  • 1. 

    The Kinetic Theory of Matter states that;

    • A.

      All matter is composed of atoms

    • B.

      Atoms are in constant motion

    • C.

      The motion of the particles can explain their physical states

    • D.

      Matter cannot be created or destroyed

    Correct Answer(s)
    A. All matter is composed of atoms
    B. Atoms are in constant motion
    C. The motion of the particles can explain their physical states
    Explanation
    The correct answer states the main principles of the Kinetic Theory of Matter. According to this theory, all matter is made up of atoms, which are constantly in motion. The motion of these particles can explain the physical states of matter such as solid, liquid, and gas. Additionally, the theory also states that matter cannot be created or destroyed.

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  • 2. 

    Gases differ from solids in that;

    • A.

      They can be compressed

    • B.

      They have collisions with close neighbors

    • C.

      They have a definite volume

    • D.

      They have a higher amount of kinetic energy

    Correct Answer(s)
    A. They can be compressed
    D. They have a higher amount of kinetic energy
    Explanation
    Gases can be compressed because the particles in a gas are spread out and have more space between them compared to particles in a solid. This means that the gas can be compressed, or squeezed into a smaller volume, by applying pressure. Gases also have a higher amount of kinetic energy compared to solids. The particles in a gas move more rapidly and randomly, resulting in higher kinetic energy. This is in contrast to solids, where the particles are tightly packed and have less freedom of movement.

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  • 3. 

    Gases are similar to liquids in that;

    • A.

      They have a definite volume

    • B.

      They take the shape of their container

    • C.

      They are both considered fluids

    • D.

      They cannot be compressed

    Correct Answer(s)
    B. They take the shape of their container
    C. They are both considered fluids
    Explanation
    Gases and liquids are similar in that they both take the shape of their container. This means that they do not have a fixed shape and can adapt to the shape of the container they are in. Additionally, both gases and liquids are considered fluids because they can flow and have the ability to move and change shape. However, it is not correct to say that gases and liquids have a definite volume, as liquids have a definite volume while gases do not. It is also not correct to say that gases and liquids cannot be compressed, as gases can be compressed while liquids cannot.

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  • 4. 

    How do gas molecules move?:

    • A.

      In an orderly fashion

    • B.

      Constantly and randomly

    • C.

      In straight-line paths

    • D.

      In a circular motion

    Correct Answer(s)
    B. Constantly and randomly
    C. In straight-line paths
    Explanation
    Gas molecules move constantly and randomly in straight-line paths. This is because gas molecules are in constant motion, colliding with each other and the walls of their container. They move in straight lines until they collide with another molecule or the container, at which point they change direction. This random motion and collision behavior is what gives gases their unique properties, such as their ability to fill the entire volume of a container and to mix easily with other gases.

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  • 5. 

    Watch this 5 minute video clip and answer the following questions: Diffusion continues until :

    • A.

      All the kinetic energy is used up

    • B.

      There is an equal distribution of particles

    • C.

      The gas particles reach the opposite side of the container

    Correct Answer
    B. There is an equal distribution of particles
    Explanation
    Diffusion is the process by which particles move from an area of high concentration to an area of low concentration until there is an equal distribution of particles. This occurs because the particles are constantly in motion due to their kinetic energy. Therefore, the correct answer is "There is an equal distribution of particles."

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  • 6. 

    In a vacuum;

    • A.

      Gases diffuse slowly

    • B.

      Gases diffuse quickly

    • C.

      There is no air for the gas to collide with

    Correct Answer(s)
    B. Gases diffuse quickly
    C. There is no air for the gas to collide with
    Explanation
    In a vacuum, there is no air present to impede the movement of gas particles. Without any obstacles or collisions with other gas particles, the gas particles are able to move freely and quickly, resulting in faster diffusion.

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  • 7. 

    The rate of diffusion is influenced by:

    • A.

      THe size of the molecules in that larger diffuse more quickly

    • B.

      The size in that smaller diffuse more quickly

    • C.

      The color in that darker diffuse more slowly

    Correct Answer
    B. The size in that smaller diffuse more quickly
    Explanation
    The correct answer is that smaller molecules diffuse more quickly. This is because smaller molecules have a smaller mass and size, allowing them to move more easily and quickly through a medium. Larger molecules, on the other hand, have a larger mass and size, which makes it more difficult for them to move and diffuse at the same rate as smaller molecules. Therefore, the size of the molecules directly influences the rate of diffusion, with smaller molecules diffusing more quickly.

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  • 8. 

    The rate of HCl vs NH4 is

    • A.

      Faster

    • B.

      Slower

    • C.

      The same

    Correct Answer
    B. Slower
    Explanation
    The given answer suggests that the rate of reaction between HCl and NH4 is slower compared to something else. However, without any further context or information provided in the question, it is not possible to determine the exact reason for this slower rate. It could be due to factors such as the concentration of reactants, temperature, presence of a catalyst, or any other relevant variables. Therefore, a specific explanation cannot be provided with the given information.

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  • 9. 

    The rate of diffusion is affected b temperature in that;

    • A.

      The lower the temperature the slower the rate

    • B.

      The higher the temperature the slower the rate

    • C.

      The higher the temperature the faster the rate

    Correct Answer(s)
    A. The lower the temperature the slower the rate
    C. The higher the temperature the faster the rate
    Explanation
    The correct answer states that the rate of diffusion is slower at lower temperatures and faster at higher temperatures. This is because temperature affects the kinetic energy of molecules. At lower temperatures, molecules have lower kinetic energy, which means they move slower and have less energy to overcome the forces holding them together. As a result, diffusion occurs at a slower rate. On the other hand, at higher temperatures, molecules have higher kinetic energy, allowing them to move faster and overcome the forces more easily, resulting in a faster rate of diffusion.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • May 21, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 10, 2011
    Quiz Created by
    Ydmondragon
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