The mathematical expression of Charles’s Law is

JAMB Chemistry 2023 73 views

The mathematical expression of Charles’s Law is

  1. PV = nRT
  2. P1V1 = P2V2
  3. V1/T1 = V2/T2 ✓
  4. V1/n1 = V2/n2

Explanation

Charles’s Law states that gas volume and temperature are directly proportional when pressure stays constant. If temperature increases, volume increases by the same ratio.

The equation V₁/T₁ = V₂/T₂ shows this relationship mathematically. The ratio of volume to temperature remains constant as conditions change.

This law explains why hot air balloons rise and why car tires look flat in cold weather. Temperature changes cause predictable volume changes in gases.

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