⚗️Charles's Law Calculator (V₁/T₁=V₂/T₂)
Temperatures must be in Kelvin (K = °C + 273.15)
Charles's Law states that at constant pressure, the volume of an ideal gas is directly proportional to its absolute temperature (in Kelvin). V₁/T₁ = V₂/T₂. Heating a gas at constant pressure makes it expand.
- 1Always convert temperatures to Kelvin: K = °C + 273.15
- 2Record V1 and T1; identify desired T2
- 3V2 = V1 × T2 / T1
- 4Pressure must remain constant
V1=5L at T1=300K · heated to T2=450K=V2 = 7.5L5×450/300=7.5L
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Fun Fact
Jacques Charles discovered this law in 1787 while experimenting with hot-air balloons — a direct practical application. Hot air is less dense because it expands, generating lift.
References
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