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
Correct Answer: B. pressure increases
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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