Question

The Vander Waals constant for a gas area = 1.32 and b = 3.12 × 10^-2. Then, determine the temperature at 5 atm pressure and volume 20 L for a 5 mol gas. Also, calculate the gas pressure when the volume is 2 L.
(R = 8.314 J mol^-1 K^-1)

Answer 1

Given,
P = 5 atm = 5 × 1.013 × 10⁵ N m^-2
µ = 5mol; V = 20 L; α = 1.32atm;
b = 3.12 × 10^-2 = 0.0312; R = 8.314 J mol^-1 K^-1; T = ?
From Vander Waals Equation