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Which Reaction Produces a Decrease in the Entropy of the System

Question 35

Multiple Choice

Which reaction produces a decrease in the entropy of the system?

A) CaCO₃ (s) → CaO (s) + CO₂ (g)
B) 2C (s) + O₂ (g) → 2CO (g)
C) CO₂ (s) → CO₂ (g)
D) 2H₂ (g) + O₂ (g) → 2H₂O (l)
E) H₂O (l) → H₂O (g)

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