A gas is compressed in a cylinder by a movable piston to a volume one-half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be___________________?
(A) 300 Nm
(B) 300,000 Nm
(C) 30 Nm
(D) 3000 Nm
(E) 30,000 Nm

