An ideal gas is a gas with particular characteristics.
- The particles have no volume
- All collisions between particles are elastic collisions and lose no kinetic energy
- The particles neither attract each other nor repel
- They have random movement
Ideal gases are hypothetical which means that they do not exist in their true form.
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The Ideal gas law that relates the volume, pressure, temperature and number of particles in an ideal gas is:
- n = number of moles of gas
- T = temperature in Kelvin (K)
- R = 8.31 which is the universal gas constant
- V = volume in Litres (L)
- P = pressure in Pascals (Pa)