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Paragraph: The measure of disorder used in thermodynamics is called entropy. The entropy of an isolated system tends to increase. Increase of entropy of

Paragraph: The measure of disorder used in thermodynamics is called entropy. The entropy of an isolated system tends to increase. Increase of entropy of universe is the driving force of spontaneous processes. Q: Which of the following is nonspontaneous under normal conditions of pressure and temperature? (A) Expansion of gas (B) Dissolution of Nacl in water (C) Mixing of gases

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