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Entropy

6. Thermodynamics and Kinetics / Entropy / Problem 1

Predict whether the ∆S° for the given reaction is expected to be less than, greater than, or equal to 0. Explain.

A

∆S° is expected to be less than 0 because the number of moles decreases from the reactant side to the product side.

B

∆S° is expected to be greater than 0 because the number of moles increases from the reactant side to the product side.

C

∆S° is expected to be equal to 0 because the number of moles does not change from the reactant side to the product side.

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