Question

Calculate the pressure exerted by 1mol of CO2 at 273k(kelvin) if the vanderwaal constant (a) =3.592dm^6 atm(atmospheric) mol^-2,assume that the volume occupied by CO2 is negligeable

Answer 1

$$p = {RT \over b} - a$$

$$p = {8.314*273 \over 42,67} - 3.592 = 49.6 atm$$