MCAT General Chemistry Question 96: Answer and Explanation
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Question: 96
6. At standard temperature and pressure, a chemical process is at equilibrium. What is the free energy of reaction (ΔG) for this process?
- A. ΔG > 0
- B. ΔG < 0
- C. ΔG = 0
- D. There is not enough information to determine the free energy of the reaction.
Correct Answer: C
Explanation:
Standard temperature and pressure indicates 0°C and 1 atm. Gibbs free energy is temperature dependent, but if a reaction is at equilibrium, ΔG = 0.