# Ideal Gas Law Solver

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In this Demonstration, you can solve for any of the four variables in the ideal gas law, , given the other three. In SI units the pressure is expressed in pascals (Pa), equal to . Since one standard atmosphere equals 101.325 kPa, the SI pressure units are given in kPa. Volume is in , temperature in K, and number of moles in mol. The universal gas constant J/K mol (it is divided by 1000 so comes out in kPa).

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Contributed by: S. M. Blinder (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Snapshot 1: traditional definition of standard state: 1 atm, 0°C; gives well-known molar volume, 22.4 L

Snapshot 2: an alternative new definition, with kPa = 1 bar

Snapshot 3: closer to room temperature, °C

## Permanent Citation