Kinetic Molecular Theory

16 Questions | Total Attempts: 887

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Kinetic Molecular Theory

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Questions and Answers
  • 1. 
    Each of the containers is shown at the same temperature. In which container is the average speed of the particles the fastest?
    • A. 

      Hydrogen

    • B. 

      Nitrogen

    • C. 

      Oxygen

    • D. 

      Chlorine

  • 2. 
    The stoppers are removed from each container, which are in the same room at the same temperature. Which gas diffuses through the room the most slowly. 
    • A. 

      All at the same rate

    • B. 

      Nitrogen

    • C. 

      Hydrogen

    • D. 

      Chlorine

  • 3. 
    As the sealed, inflexible container is heated, the gas molecules inside..
    • A. 

      Increase in volume

    • B. 

      Begin to move faster

    • C. 

      Condense to a liquide

    • D. 

      Become less dense

  • 4. 
    The stopper is removed from the container of chlorine, at which temperature will the gas diffuse the fastest. 
    • A. 

      290 K

    • B. 

      273 K

    • C. 

      245 K

    • D. 

      310 K

  • 5. 
    Which postulate of KMT explains why the volume (or pressure)  of a gas increases when you increase the temperature?
    • A. 

      1‐ All particles are infinitely small and the size of a particle is negligible compared to the container that it holds.

    • B. 

      2‐ The particles of gas are in constant motion and move in straight lines.

    • C. 

      3- The particles of gas do not exert any force of attraction or repulsion on each other. There is no energy loss during a collision.

    • D. 

      4‐ The mean kinetic energy of the particles is directly proportional to their absolute temperature.

  • 6. 
    In a real gas particles have complete inelastic collisions meaning no energy is lost. 
    • A. 

      True

    • B. 

      False

  • 7. 
    Gases found in the environment are most likely to exhibit properties similar to that of ideal gases under conditions of:
    • A. 

      High temperatures and high pressures

    • B. 

      Low temperatures and low pressures

    • C. 

      High temperatures and low pressures

    • D. 

      Low temperatures and high pressures

  • 8. 
    Which postulate of KMT explains why gases are so easily compressed? 
    • A. 

      1‐ All particles are infinitely small and the size of a particle is negligible compared to the container that it holds.

    • B. 

      2- The particles of gas are in constant motion and move in straight lines.

    • C. 

      3- The particles of gas do not exert any force of attraction or repulsion on each other. There is no energy loss during a collision.

    • D. 

      4- The mean kinetic energy of the particles is directly proportional to their absolute temperature.

  • 9. 
    According to the kinetic theory of gases, an ideal gas has all of the following characteristics but 1. Which one?
    • A. 

      Particles whose size is nil or negligible

    • B. 

      Particles that mutually attract one another

    • C. 

      Particles that move randomly but in straight lines

    • D. 

      Particles that are very far away from each other

  • 10. 
    Which postulate of the KMT explains why gases do not have a fixed volume.
    • A. 

      All particles are infinitely small and the size of a particle is negligible compared to the container that it holds.

    • B. 

      The particles of gas are in constant motion and move in straight lines.

    • C. 

      The particles of gas do not exert any force of attraction or repulsion on each other. There is no energy loss during a collision.

    • D. 

      The mean kinetic energy of the particles is directly proportional to their absolute temperature.

  • 11. 
    Which postulate of the KMT explains why the smell of skunk spray can seep into a house even when the windows are closed.
    • A. 

      1‐ All particles are infinitely small and the size of a particle is negligible compared to the container that it holds.

    • B. 

      2‐ The particles of gas are in constant motion and move in straight lines.

    • C. 

      3‐ The particles of gas do not exert any force of attraction or repulsion on each other. There is no energy loss during a collision.

    • D. 

      4‐ The mean kinetic energy of the particles is directly proportional to their absolute temperature.

  • 12. 
    Which postulate of KMT explains why the scent of fresh coffee in the morning fills up every room in the house?
    • A. 

      1-All particles are infinitely small and the size of a particle is negligible compared to the container that it holds.

    • B. 

      2‐ The particles of gas are in constant motion and move in straight lines.

    • C. 

      3‐ The particles of gas do not exert any force of attraction or repulsion on each other. There is no energy loss during a collision.

    • D. 

      4‐ The mean kinetic energy of the particles is directly proportional to their absolute temperature.

  • 13. 
    Which state of matter exhibits only vibrational movement?
    • A. 

      Liquid

    • B. 

      Solid

    • C. 

      Gas

    • D. 

      Plasma

  • 14. 
    Particules will experience large velocities at ...
    • A. 

      Low temperature

    • B. 

      Intermediate temperature

    • C. 

      High temperature

    • D. 

      Option 4

  • 15. 
    Which colour curve represents the lowest temperature
    • A. 

      Blue

    • B. 

      Purple

    • C. 

      Red

    • D. 

      Black

  • 16. 
    What is the kinetic energy of a 35 g of oxygen traveling at a velocity of 650 m/s?
    • A. 

      7,393,750 J

    • B. 

      7,393,750 KJ

    • C. 

      7393.75 J

    • D. 

      7393.75 KJ

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