The answer is: Charle's Law.
The law that states that the volume and absolute temperature of a fixed quantity of gas (ideal gas) are proportional under constant pressure is the Charle's Law, also known as the law of volumes.
The law describes how a gas kept under constant pressure tends to expand when the temperature increases and it's described by the following equation:
[tex]\frac{V}{T}=k[/tex]
Where,
[tex]V=Volume\\T=Temperature\\k=constant[/tex]
Also, to describe the relationship between two differents volumes at different temperatures, we have:
[tex]\frac{V_{i}}{T_{i}}=\frac{V_{f}}{T_{f}}[/tex]
Where,
[tex]V_{i}=InitialVolume\\T_{i}=InitialTemperature\\V_{f}=FinalVolume\\T_{f}=FinalTemperature[/tex]
Have a nice day!
