For a reversible process, the change in entropy is given by which of the followi

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Question: For a reversible process, the change in entropy is given by which of the following?

Options:

Correct Answer: ΔS = Q/T

Solution:

For a reversible process, the change in entropy is given by ΔS = Q/T, where Q is the heat exchanged and T is the temperature.

For a reversible process, the change in entropy is given by which of the following?

For a reversible process, the change in entropy is given by which of the following?

Step 1: Understand that entropy (ΔS) is a measure of disorder or randomness in a system.
Step 2: Recognize that for a reversible process, we can calculate the change in entropy using a specific formula.
Step 3: The formula for change in entropy is ΔS = Q/T.
Step 4: In this formula, Q represents the amount of heat exchanged during the process.
Step 5: T represents the absolute temperature at which the heat exchange occurs.
Step 6: Make sure that the temperature (T) is in Kelvin for the calculation to be correct.

Entropy – A measure of the disorder or randomness in a system, which increases in reversible processes.
Reversible Process – A process that can be reversed without leaving any change in the system and surroundings.
Heat Exchange – The transfer of thermal energy (Q) between a system and its surroundings.
Temperature – A measure of the average kinetic energy of the particles in a system, denoted as T.