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ΔS(universe) > 0 can also be written as _________

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in Chemistry – Class 11 by (148k points)
ΔS(universe) > 0 can also be written as _________

(a) ΔS(system) + ΔS(surroundings) > 0

(b) ΔS(surroundings) > 0

(c) ΔS(system)

(d) ΔS(system) – ΔS(surroundings) > 0

I had been asked this question in an international level competition.

My question is from Thermodynamics in section Thermodynamics of Chemistry – Class 11

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The correct option is (a) ΔS(system) + ΔS(surroundings) > 0

For explanation I would say: ΔS(universe) > 0 can also be written as ΔS(system) + ΔS(surroundings) > 0, as the universe is nothing but the system and surroundings. The above mentioned condition is used when a reaction is at equilibrium.

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