Which of the following reactions would have a negative ΔS?
A) NH4Cl (s) → NH3 (g) + HCl (g)
B) PbCl2 (s) → Pb2+ (aq) + 2Cl- (aq)
C) 2C (s) + O2 (g) → 2CO2 (g)
D) 2SO2 (g) + O2 (g) → 2SO3 (g)
E) H2O (l) → H2O (g)
Correct Answer:
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