In an isothermal and reversible process, 945 J of heat is removed from a system and transferred to the surroundings. The temperature is 314 K. What is the change in entropy of the system?

Question

Quizplus · Accepted Answer

In an isothermal process, the change in entropy (ΔS) is given by ΔS = -Q/T, where Q is the heat removed and T is the temperature. Here, Q = 945 J and T = 314 K, so ΔS = -945 J / 314 K = -3.01 J/K.

In an Isothermal and Reversible Process, 945 J of Heat