MCAT General Chemistry Question 104: Answer and Explanation

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Question: 104

14. Which of the following phase changes is associated with the largest decrease in entropy?

  • A. Fusion
  • B. Solidification
  • C. Deposition
  • D. Sublimation

Correct Answer: C

Explanation:

Gases have the highest entropy, and solids have the lowest. Therefore, a phase change from a gas to a solid—deposition—would have the largest decrease in entropy of any phase change process.

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