What happens to the pressure of a gas inside a closed container if the volume of the container is re

JAMB Chemistry 2023 44 views
Source: JAMB · 2023

What happens to the pressure of a gas inside a closed container if the volume of the container is reduced?

  1. The pressure increases ✓
  2. The pressure decreases
  3. The pressure remains the same
  4. The pressure becomes zero
Explanation

When volume decreases, pressure increases. Gas particles hit the walls more often in smaller space. More collisions mean higher pressure.

This is Boyle’s Law. Pressure and volume have an inverse relationship. Halve the volume and you double the pressure.

Remember: Squeezing a gas makes higher pressure. Think of compressing air in a bike pump.

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