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Q 1/16
Score 0
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.
60
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.
Q 2/16
Score 0
A hot balloon is placed into a cold room. What will happen to the thermal energy of the balloon and the room.
60
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.
16 questions
Q.
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.
1
60 sec
Q.
A hot balloon is placed into a cold room. What will happen to the thermal energy of the balloon and the room.
2
60 sec
Q.
Which of the following places the phases of matter in order from most to least energetic?
3
60 sec
Q.
The number of collisions between molecules and the random movement of the molecules in a gas has decreased. What happened to the gas?
4
60 sec
Q.
The temperature at which the molecules of a substance have no kinetic energy. This is an example of which vocabulary term?
5
60 sec
Q.
If the temperature of a gas increases 4 times over. What happened to its kinetic energy?
6
60 sec
Q.
What is the temperature of Absolute Zero?
7
60 sec
Q.
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?
8
60 sec
Q.
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?
9
60 sec
Q.
Using the picture, during which interval is the average kinetic energy of the molecules unchanged?
10
60 sec
Q.
What is mutual thermodynamic Equilibrium?
11
60 sec
Q.
Which of the following is an example of entropy decreasing?
12
60 sec
Q.
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.
13
60 sec
Q.
How could you transfer heat from a cold region in a refrigerator to a hotter one?
