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