Entropy Concepts

00:00 1 marks

Which statement about entropy (S) is correct?

A

The entropy of a perfect crystal at 0 K is positive.
B

Entropy increases when ice melts.
C

Entropy decreases when a gas expands into a vacuum.
D

The standard entropy of elements is zero.

Hint Hint

Hint

Recall the definition of entropy related to disorder and the Third Law of Thermodynamics.

Answer Answer
Mark Scheme Mark Scheme
Explanation Explanation
Examiner Tips Examiner Tips
Common Errors Common Errors
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Answer Answer

Complete Answer

Entropy increases when ice melts.

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

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