KMT & Pressure

What is kinetic energy?

• stored energy
• energy of motion
• energy of kinetics

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112.43.c.10

112.43.c.10.A

What does the kinetic theory state?

• All particles of matter are in constant motion.
• All particles of matter are frozen.
• All particles of matter are in constant temperature

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112.43.c.10

The motion of gas particles can be best described as a

• Organized Walk
• Organized Run
• Random Walk
• Random Run

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112.43.c.10

Do particles lose energy during a collision?

• Yes, the collisons are not elastic.
• No, the collisions are elastic.

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112.43.c.10

What causes gas pressure?

• particle collisions
• particle size
• particle temperature

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112.43.c.10

Which of the following statements is NOT a characteristic of matter in the gasesous state?

• The pressure of a gas is independent of its temperature.
• Gases fill their containers completely.
• Gases exert pressure.
• Gases have mass.
• Gases are compressible.

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112.43.c.10

Which of the following is NOT a way to increase the pressure of a sample of gas particles?

• Increase temperature
• Decrease volume
• Increase amount of gas
• Decrease temperature

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112.43.c.10

As you move up a mountain, what happens to atmospheric pressure?

• Pressure decreases
• Pressure increases
• Pressure doubles
• Pressure halves

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112.43.c.10

What is significant about the temperature absolute zero?

• This is the temperature at which particles move the fastest.
• This is the temperature at which particles move in pairs.
• This is the temperature at which particles stop moving (no kinetic energy).
• This is the temperature at which particles stop moving (no potential energy).

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112.43.c.10

How can you raise the average kinetic energy of the water molecules in a glass of water?

• Cool the glass of water down
• Heat up the glass of water
• Leave it alone

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112.43.c.10