Multiple choice

At absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero. Which law is this?

  1. Nernst heat theorem

  2. Maxwell's relations

  3. Third law of thermodynamics

  4. Second law of thermodynamics

  5. Clayperon-Claussius equation
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C Correct answer
Explanation

The third law of thermodynamics is sometimes stated as the entropy of a perfect crystal at absolute zero is exactly equal to zero.

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