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For a reversible process, the change in entropy of the system is equal to the he

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Question: For a reversible process, the change in entropy of the system is equal to the heat absorbed divided by the temperature. What is the formula?

Options:

  1. ΔS = Q/T
  2. ΔS = T/Q
  3. ΔS = Q*T
  4. ΔS = Q + T

Correct Answer: ΔS = Q/T

Solution: 

The change in entropy (ΔS) for a reversible process is given by ΔS = Q/T, where Q is the heat absorbed and T is the temperature.

For a reversible process, the change in entropy of the system is equal to the he

Practice Questions

Q1
For a reversible process, the change in entropy of the system is equal to the heat absorbed divided by the temperature. What is the formula?
  1. ΔS = Q/T
  2. ΔS = T/Q
  3. ΔS = Q*T
  4. ΔS = Q + T

Questions & Step-by-Step Solutions

For a reversible process, the change in entropy of the system is equal to the heat absorbed divided by the temperature. What is the formula?
  • Step 1: Understand that entropy (ΔS) is a measure of disorder or randomness in a system.
  • Step 2: Recognize that for a reversible process, the change in entropy can be calculated using heat and temperature.
  • Step 3: Identify the variables: ΔS is the change in entropy, Q is the heat absorbed by the system, and T is the temperature of the system.
  • Step 4: Write down the formula that relates these variables: ΔS = Q/T.
  • Step 5: Remember that this formula applies specifically to reversible processes.
  • Entropy Change in Reversible Processes – The relationship between heat transfer and temperature in determining the change in entropy for reversible processes.
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