College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 92

A quantity of an ideal gas undergoes an isothermal expansion at 20 °C and does 3.0 × 10 3 J of work on its surroundings in the process. (a) Will the entropy of the gas (1) increase, (2) remain the same, or (3) decrease Explain. (b) What is the change in the entropy of the gas