What is the entropy change for a reversible process?

What is the entropy change for a reversible process?

Step 1: Understand what entropy is. Entropy is a measure of disorder or randomness in a system.
Step 2: Know that a reversible process is a process that can be reversed without any change in the system or surroundings.
Step 3: Recognize that during a reversible process, the system can return to its original state without any net change in the universe.
Step 4: Identify that if the process is isothermal (occurs at constant temperature), the entropy change can be zero.
Step 5: Conclude that for a reversible process, the total change in entropy can be zero if the conditions are right (like being isothermal).

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