What is the Gibbs Free Energy change (ΔG) at equilibrium?

Practice Questions

Q1
What is the Gibbs Free Energy change (ΔG) at equilibrium?
  1. ΔG < 0
  2. ΔG = 0
  3. ΔG > 0
  4. ΔG = ΔH - TΔS

Questions & Step-by-Step Solutions

What is the Gibbs Free Energy change (ΔG) at equilibrium?
Correct Answer: 0
  • 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 system reaches equilibrium when the forward and reverse reactions occur at the same rate.
  • Step 3: At equilibrium, there is no net change in the concentrations of reactants and products.
  • Step 4: When a system is at equilibrium, it is in a state of minimum energy.
  • Step 5: Since the system is at minimum energy at equilibrium, the change in Gibbs Free Energy (ΔG) is zero.
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