申論題

2. One mole of a gas is placed in a closed system with a 0.02 m³ vessel initially at T = 300 K. The vessel is then isothermally expanded to 0.04 m³. The gas follows the equation of state:
 where a=-4.053 m⁶ Palmol² and R=8.314 J/mol K.

(1) Derive an expression relating, to measurable properties. (10%)