Question

For a gas Van der Waal constant, $b=0.04281Lmol{e}^{-1}.$ Calculate its critical volume.

Answer 1

• The pressure required to liquefy the gas at critical temperature is called critical pressure and the volume occupied by 1 mole of gas under these conditions is called the critical volume.
  
• We know,

$V_c=3b$

$⟹V_c=3\times 0.04281=0.12843L$