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Question
Write statement of second law of thermodynamics.
Law
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Solution
The second law of thermodynamics states that the total entropy of a system and its surroundings increases in a spontaneous process.
Mathematically,
ΔStotal = `Delta S_"system" + Delta S_"surroundings" gt 0`
For an equilibrium:
ΔStotal = 0
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Spontaneity - Entropy and Second Law of Thermodynamics
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