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In a reversible process, the change in Gibbs free energy (ΔG) is:

Practice Questions

Q1
In a reversible process, the change in Gibbs free energy (ΔG) is:
  1. Always positive
  2. Always negative
  3. Zero at equilibrium
  4. None of the above

Questions & Step-by-Step Solutions

In a reversible process, the change in Gibbs free energy (ΔG) is:
  • Step 1: Understand what Gibbs free energy (ΔG) is. It is a measure of the energy available to do work in a system.
  • Step 2: Know that a reversible process is one that can go forward and backward without losing energy.
  • Step 3: Recognize that equilibrium is the state where the forward and reverse processes occur at the same rate.
  • Step 4: At equilibrium, there is no net change in the system, meaning the system is stable.
  • Step 5: Since there is no change in the system at equilibrium, the change in Gibbs free energy (ΔG) is zero.
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