An ideal gas undergoes an adiabatic process while doing 25 J of work.What is the change in the internal (thermal)energy of the gas?
A)0 J
B)25 J
C)-25 J
D)50 J
E)-50 J

Question

Quizplus · Accepted Answer

In an adiabatic process, there is no transfer of heat between the system and surroundings. Therefore, the change in internal energy of the gas is equal to the work done on the gas. Since the gas does 25 J of work, the change in internal energy is -25 J (negative because work is done by the gas). So, the correct answer is (C).

An Ideal Gas Undergoes an Adiabatic Process While Doing 25