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Thermodynamics quiz

Quiz by sean

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16 questions
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  • Q1
    The temperature of a gas is increasing in a sealed container. Which answer choice best explains what is happening to the molecules in the container.
    The container has more molecules in it.
    The average kinetic energy has decreased
    The average speed of the molecules has increased
    The potential energy of the molecules has decreased.
    60s
  • Q2
    A hot balloon is placed into a cold room. What will happen to the thermal energy of the balloon and the room.
    The balloon will increase in thermal energy, and the room will decrease in thermal energy.
    The balloon will decrease in thermal energy, and the room will increase in thermal energy.
    The balloon and the room will not change their thermal temperatures.
    The balloon and the room will both increase in their thermal temperature.
    60s
  • Q3
    Which of the following places the phases of matter in order from most to least energetic?
    Question Image
    Gas, Liquid, Solid, Plasma.
    Plasma, gas, liquid, solid
    Solid , gas, Liquid, Plasma
    Plasma, liquid, solid, gas
    60s
  • Q4
    The number of collisions between molecules and the random movement of the molecules in a gas has decreased. What happened to the gas?
    The temperature of the gas decreased.
    The entropy of the gas changed
    The temperature of the gas increased.
    The thermal energy of the gas increased.
    60s
  • Q5
    The temperature at which the molecules of a substance have no kinetic energy. This is an example of which vocabulary term?
    Equilibrium
    Thermal Energy
    Absolute Zero
    Kinetic Energy
    60s
  • Q6
    If the temperature of a gas increases 4 times over. What happened to its kinetic energy?
    The kinetic energy decreases by 4 times.
    The kinetic energy decreases by 2 times.
    The kinetic energy increases by 4 times.
    The kinetic energy increases by 2 times.
    60s
  • Q7
    What is the temperature of Absolute Zero?
    0 Celsius
    0 Kelvin
    -273 Kelvin
    273 Celsius
    60s
  • Q8
    As the temperature of a confined gas rises the kinetic energy of that gas increases and the speed of the molecules increase. This is an example of which theory of thermodynamics?
    The third law of thermodynamics
    The second law of thermodynamics
    Kinetic Molecular Theory
    The first law of thermodynamics
    60s
  • Q9
    The air pressure in a basketball is lower when it is placed in outside in cold weather. The lower air pressure is most likely due to which of the following?
    The molecules escaping the basketball.
    A decrease in the speed of the molecules in the basketball.
    An increase in molecular potential energy.
    The basketball getting bigger.
    60s
  • Q10
    Using the picture, during which interval is the average kinetic energy of the molecules unchanged?
    Question Image
    D-E
    A-B
    C-D
    E-F
    60s
  • Q11
    What is mutual thermodynamic Equilibrium?
    Heat tends to flow from regions with lower temperature to ones with higher temperature.
    Heat tends to flow from regions with higher temperature to ones with lower temperatures.
    Heat tends to stay in one place and not move around.
    60s
  • Q12
    Which of the following is an example of entropy decreasing?
    A room getting more messy over time as it is not cleaned.
    Shards of glass from a broken bottle being dropped onto the floor and reforming as the unbroken glass.
    A glass bottle falling to the floor and breaking into shards.
    Rocks being eroded into sand.
    60s
  • Q13
    The temperature of a refrigerant increases as it passes through the metal coils in the interior of a refrigerator because the air inside the refrigerator transfers heat to the coils. This is an example of what kind of heat transfer.
    Radiation
    Conduction
    Convection
    60s
  • Q14
    How could you transfer heat from a cold region in a refrigerator to a hotter one?
    Add a motor do work.
    Open the door.
    Add a fan.
    60s
  • Q15
    How could we decrease the entropy of water?
    Boil it.
    Freeze it.
    Heat it up.
    Turn it into a gas.
    60s

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