Practice Quiz

CLEP Chemistry Practice Test

Category - Chemistry

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Three identical balloons each contain one mole of gas. One balloon contains oxygen, one contains nitrogen, and one contains argon. Which of the following changes in volume will happen if the balloons are placed in a warmer room?
  1. The balloon with argon will decrease most in volume because argon is a noble gas.
  2. All of the balloons will decrease in volume equally because the temperature increased.
  3. The balloon with oxygen will increase most in volume because oxygen has the largest molecules.
  4. All of the balloons will increase in volume equally because they have equal numbers of molecules.
Explanation
Answer: D - All of the balloons will increase in volume equally because they have equal numbers of molecules.
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