Year: 2019
Topic: Chemical Thermodynamics
Time :
1.
Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is
(1). 5 kJ
(2). 25 J
(3). 30 J
(4). -30 J