Praxis II General Science

Category - Major Ideas

If a force is applied to a gas such that its volume is reduced by one half, which of the following would occur?
  1. The pressure would increase by a factor of four.
  2. The temperature would not change.
  3. The temperature would increase.
  4. The pressure would decrease by a factor of 2.
  5. The temperature and pressure would both increase.
Explanation
Answer: B - There is no temperature and volume relationship. Thus, if the volume is decreased by ½, the pressure would double, but there would not be any change in the temperature of the gas.
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