| the gas constant equals 0.0821 L x atm/(mol x K) for all gases | |
| the volume of a gas must always be constant | |
| the volume of a gas is directly proportional to its temperature | |
| equal volumes of all gases at the same pressure and temperature contain an equal number of moles | |
| 1 liter of any gas contains 6.02 x 10^23 gas molecules |