# Gay-Lussac's Law (of temperature/pressure) Calculator

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The Gay-Lussac's Law calculator computes the initial and final pressure and temperature of an ideal gas based on Gay-Lussac's formula (T1•P2=T2•P1).  The calculator automatically handles numerous temperature and pressure units.  All of these calculations presume the volume and mass of the ideal gas remains static throughout.  Gay-Lussac formula is:

T1•P2=T2•P1

where:

## The Math / Science

This calculator accesses the following equations from its four buttons:

Gay-Lussac Law (final temperature) - equation computing final temperature of an ideal gas given knowledge of the initial temperature/pressure state of the gas before a pressure change

Gay-Lussac Law (initial temperature) - equation computing initial temperature of an ideal gas given knowledge of the final temperature/pressure state of the gas after a pressure change

Gay-Lussac Law (final pressure) - equation computing resultant pressure of an ideal gas given knowledge of the initial temperature/pressure state of the gas before a temperature change

Gay-Lussac Law (initial pressure) - equation computing initial pressure of an ideal gas given knowledge of the final temperature/pressure state of the gas after a temperature change

Related Gas Law Calculators:

## REFERENCE

[1] Temperature Pressure law
Source: Wikipedia / Evan Mason
URL: https://en.wikipedia.org/wiki/Gay-Lussac%27s_law#mediaviewer/File:Temperature_Pressure_law.svg