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When air in a syringe is compressed such that there is no change in temperature,...

Chemistry
WAEC 2022

When air in a syringe is compressed such that there is no change in temperature, the

  • A. air liquefies
  • B. pressure increases
  • C. intermolecular space increases
  • D. density decreases
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Correct Answer: Option B
Explanation

Since the temperature of air remain constant.So, it is a isothermal process.
PV=K
This eq. shows that on increasing pressure, the volume gets reduced and vice-versa.
Since the syringe is slowly compressed, volume is decreasing.
Therefore, the pressure inside the syringe will increases because the molecules now hit the syringe walls more frequently.


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