During an isothermal process, 5.0 J of heat are removed from an ideal gas. What is the work done by the gas in the process?

Question

Quizplus · Accepted Answer

In an isothermal process, the temperature of the gas remains constant. Therefore, the internal energy of the gas also remains constant. According to the first law of thermodynamics, ΔU = Q - W, where ΔU is the change in internal energy, Q is the heat added to or removed from the system, and W is the work done by or on the system. Since ΔU = 0 in an isothermal process, we can rearrange the equation to get W = Q. Thus, the work done by the gas is equal in magnitude but opposite in sign to the heat removed, which is -5.0 J. Therefore, the answer is B.

During an Isothermal Process, 5