Which of the processes represented by the following equations has the greatest positive entropy change?

Chemistry

WAEC 1991

A. C₆H₃_(l) → C₆H ₆ _(g)
B. H₂O _(s) → H₂O_(l)
C. CuO_(s) + H₂_(g) → Cu_(s) + H₂
D. Na₂CO₃_(s) + nH₂O_(l) →Na ₂CO₃nH₂O_(s)
E. S_(s) → S_(l)

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Correct Answer: Option A

Explanation

we have the greatest entropy when a substance changes from the liquid phase to the gaseous phase this is because the particles of gases are very loosely packed so they have the freedom to move around.

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Which of the processes represented by the following equations has the greatest positive entropy change?

Correct Answer: Option A

Explanation

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