NEET Chemistry ยท Medium

Thermodynamics: Entropy sign MCQ

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Entropy signMediumQuestion 23067

Question

When gas expands freely into vacuum, entropy of the gas:

  1. A
    Increases
    Correct
  2. B
    Decreases
  3. C
    Stays zero
  4. D
    Becomes negative infinity

Correct answer

Increases

Explanation

The gas occupies more accessible microstates.