How would an increase in reactant concentration affect the Gibbs free energy and equilibrium of a reaction?

• A. Increase Gibbs free energy and shift equilibrium towards products.
• B. Increase Gibbs free energy and shift equilibrium towards reactants.
• C. Have no effect on Gibbs free energy or equilibrium.
• D. Decrease Gibbs free energy and shift equilibrium towards reactants.

Answer: (A)