# The Ideal Gas Equation

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- Created by: Natalie Beard
- Created on: 05-01-10 13:44

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The Ideal Gas Equation

The volume occupied by a gas depends on a number of factors:

The temperature: the hotter the gas, the faster the particles are moving and the more space they

will occupy

The pressure: the higher the pressure, the more compressed the gas will be and the less space it

will occupy

The amount of gas: the more gas particles there are, the more space they will occupy

The pressure, temperature, volume and amount of gas can be related by a simple equation known as

the ideal gas equation:

PV=nRT

P is the pressure measured in pascals (Pa) V is the volume in m3

T is the absolute temperature, measured in Kelvin (K)

R is the molar gas constant and has a value of 8.31 Jmol-1K-1.

N is the number of moles of gas

Converting Units

Pa K

Kpa = x 1000 = Pa Degress = + 273 = K

Mpa = x 1000000 = Pa

V

dm(3) = /1000 = m(3)

cm(3) = /1000000 = m(3)

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