What is the relationship between ΔG and the equilibrium constant (K)?

Practice Questions

Q1
What is the relationship between ΔG and the equilibrium constant (K)?
  1. ΔG = -RT ln(K)
  2. ΔG = RT ln(K)
  3. ΔG = KRT
  4. ΔG = K - RT

Questions & Step-by-Step Solutions

What is the relationship between ΔG and the equilibrium constant (K)?
  • Step 1: Understand that ΔG represents the change in free energy of a reaction.
  • Step 2: Know that K is the equilibrium constant, which tells us the ratio of products to reactants at equilibrium.
  • Step 3: Learn the formula that connects ΔG and K: ΔG = -RT ln(K).
  • Step 4: Identify R as the gas constant, which is a specific value used in calculations.
  • Step 5: Recognize that T is the temperature measured in Kelvin.
  • Step 6: Realize that if K is greater than 1, ΔG is negative, indicating the reaction favors products.
  • Step 7: Conversely, if K is less than 1, ΔG is positive, indicating the reaction favors reactants.
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