How can I calculate gas pressure?

1 Answer
Humaam H.
May 28, 2015

The calculation depends on whether you wish to calculate the pressure using an ideal model or a real life model. For simplicity, we will assume ideal conditions.

The ideal gas equation is as follows:

PV=nRT

Where:

P = pressure
V = volume
n = moles
R = constant
T = temperature in kelvin

To calculate pressure, simply rearrange the formula algebraically and use the appropriate values:

P = (nRT)/V

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