Let's consider nitrogen gas obeys the Van der Waals equation of state with best fit value of the parameters a = 0.14 Pa. m6/mol2 and b = 39.0 cm3/mol. Estimate approximate diameter of the nitrogen gas molecules. Assume each molecule is a sphere.
1
3 .9 × 10-7 cm
2
7.8 × 10-7 cm
3
1.9 × 10-8 cm
4
4.0 × 10-8 cm