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Which reaction has ∆S° < 0 ?Thermodynamics Chemistry Question

Question

Which reaction has ∆S° < 0 ?

A.

C(s, graphite) ® C(s, diamond)

✓ Correct
B.

N2O4(g) ® 2 NO2(g)

C.

I2(s) ® I2(g)

D.

NH4+(aq) + CH3COO–(aq) ® NH3(aq) + CH3COOH(aq)

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