Let's consider nitrogen gas obeys the Van der Waals equation of state with best fit value of the parameters $$a = 0.14Pa.m^{6} / mol^{2}$$ and $$b = 39.0 cm^{3} / mol$$ Estimate approximate diameter of the nitrogen gas molecules. Assume each molecule is a
sphere.

A

$$3.9 \times 10^{-7}$$ cm

B

$$7.8 \times 10^{-7}$$ cm

C

$$1.9 \times 10^{-8}$$ cm

D

$$4.0 \times 10^{-8}$$ cm