Calculadora da Lei de Charles
Calcule volume ou temperatura de um gás a pressão constante usando a Lei de Charles (V₁/T₁ = V₂/T₂). Ferramenta de termodinâmica.
Final Volume
20.0000 L
Final Volume vs Initial Volume
Formula
Charles's Law
At constant pressure, the volume of a gas is directly proportional to its absolute temperature.
Formula
V1 / T1 = V2 / T2
Temperature must be in Kelvin. Heating a gas causes it to expand.
Exemplo Resolvido
10 L of gas at 300 K heated to 600 K at constant pressure.
- 01V1/T1 = V2/T2
- 02V2 = V1 * T2 / T1
- 03V2 = 10 * 600 / 300
- 04V2 = 20 L
Perguntas Frequentes
Why must temperature be in Kelvin?
The Kelvin scale starts at absolute zero, where gas volume would theoretically be zero. Using Celsius would give incorrect ratios because 0°C is not zero temperature.
How do hot air balloons work?
By Charles's law, heating the air inside the balloon increases its volume (and decreases its density), creating buoyancy.
Who was Jacques Charles?
A French physicist (1746-1823) who first described the volume-temperature relationship of gases in 1787.
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