3.07 Unit Test Gas Laws

Question: Which statement best describes air pressure at high altitudes?

Answer: Air pressure decreases as altitude increases.

Question: What happens to pressure if volume decreases in a gas?

Answer: Pressure Increases.

Question: What happens to pressure if temperature increases?

Answer: Pressure Increases.

Question: Which statement best describes the gas in a scuba tank?

Answer: The gas is compressed.

Question: What will happen if a balloon is placed in a freezer?

Answer: It will deflate because volume is directly proportional to temperature.

Question: What happens when a gas is compressed?

Answer: Density is increased.

Question: What was changed when the temperature was changed in the “Gas Laws” lab?

Answer: volume and pressure

Question: Which statement about the volume and pressure of a gas is the most accurate?

Answer: Volume of a gas is inversely proportional to pressure of that gas in any container

Question: What is the temperature of a gas in which the atoms are moving very, very slowly?

Answer: cold

Question: Which object measures atmospheric pressure?

Answer: a barometer

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