Entropy Change in Isothermal Expansion
A gas expands isothermally against a piston. Which of the following best describes the change in entropy of the universe during this process?
A
Remains constant because the temperature is unchanged
B
Is zero because isothermal processes are reversible
C
Increases because the overall process is irreversible due to free expansion
D
Decreases because the gas is doing work on the surroundings
Question Leaderboard
Not enough data yet to show leaderboard.