Chapter 18, Problem 41P

(II) For oxygen gas, the van der Waals equation of state achieves its best fit for $a=0.14\text{N}\cdot {{\text{m}}^4/\text{mol}}^2$ and $b=3.2\times {10}^{-5}{\text{m}}^3/\text{mol}$. Determine the pressure in 1.0 mol of the gas at 0°C if its volume is 0.70 L, calculated using (a) the van der Waals equation, (b) the ideal gas law.