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Gay-Lussac's Law Calculator

To find the missing term of Gay-Lussac's law, input the requird values and click the calculate button using Gay-Lussac's law calculator

kPa
K
kPa

Table of Contents:

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    Formula

    Pi/Ti = Pf/Tf

    Or

    PiTf = PfTi

    Where,
    Pi = initial pressure
    Ti = initial temperature
    Pf = final pressure
    Tf= final temperature

    n other words, when temperature increases, pressure increases.
    When pressure decreases, temperature decreases.

    Gay-Lussac's law is an ideal gas law where at constant volume; the pressure of an ideal gas is directly proportional to its absolute temperature. In other words, the law states the principle that, for relatively low pressures, the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.

    Example:
    Calculate and find the temperature of the gas which has a pressure of 25 kPa.
    Initial Pressure (Pi) = 25 kPa
    Initial Temperature (Ti) = 5 K
    Final Pressure (Pf) = 15 kPa

    Solution:
    Apply Formula:
    Pi/Ti = Pf/Tf
    Final Temperature (Tf) = 3K

     

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