where \(P\) is the absolute pressure of a gas, \(V\) is the volume it occupies, \(N\) is the number of atoms and molecules in the gas, and \(T\) is its absolute temperature. The ideal gas law relates ...where \(P\) is the absolute pressure of a gas, \(V\) is the volume it occupies, \(N\) is the number of atoms and molecules in the gas, and \(T\) is its absolute temperature. The ideal gas law relates the pressure and volume of a gas to the number of gas molecules and the temperature of the gas. the physical law that relates the pressure and volume of a gas to the number of gas molecules or number of moles of gas and the temperature of the gas