Considering the trimolecular reaction: 2NO + O2 = 2NO2, calculate the constant rate for the formation of NO2 at 0 degrees C, knowing that after the reaction between 0.16 mols O2 and 0.04 mols NO, the initial rate is 8.19 ∙10-9 mol/l∙s. The reaction takes place in a vessel of 0.5l