1# Gases 2 3## Perfect gas equation 4 5$$PV=nRT$$ 6 7where $R =$ universal gas constant $= 8.31 \text{J} \text{K}^{-1} \text{mol}^{-1}$
# Gases
## Perfect gas equation
$$PV=nRT$$
where $R =$ universal gas constant $= 8.31 \text{J} \text{K}^{-1} \text{mol}^{-1}$