PX154 - C1 - ideal gas equation of state

ideal gas law

p V = n R T

$p =$ pressure
$V =$ volume
$n =$ number of moles
$R = 8.31 J K^{- 1} m o l^{- 1}$ (gas constant)
$T =$ temperature

p V = N k_{B} T

$N =$ number of atoms/molecules
$k_{B} = 1.38 \times 10^{- 23} J K^{- 1}$ (boltzmann constant)

works well in many situations:
- high temperatures
- low pressures
- low density $(n / V)$