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Doctors Medicines MCQs Q&A

  1. Positive
  2. Negative
  3. Zero
  4. May be positive or negative
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1 Answers

Answer: Option 3

Since, the gibbs free energy for vaporization of a pure substance is $$dG=VdP-SdT$$    since during phase change the temperature and pressure remains constant the gibbs free energy remains constant.

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