Chemistry Practice Problems Entropy Practice Problems Solution: Predict the sign of the entropy change, ΔS°, for e...

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Solution: Predict the sign of the entropy change, ΔS°, for each of the reaction displayed.i) 2NO2 (g) → N2 (g) + 2O2 (g)ii) C5H12 (g) + 8O2 (g) → 5CO2 (g) + 6H2O (g)iii) 2NaClO3 (s) → 2NaCl (s) + 3O2 (g)iv) 2Na (s) + Cl2 (g) → 2NaCl (s)v) CH3OH (l) → CH3OH (g)

Problem

Predict the sign of the entropy change, ΔS°, for each of the reaction displayed.

i) 2NO2 (g) → N2 (g) + 2O2 (g)

ii) C5H12 (g) + 8O2 (g) → 5CO2 (g) + 6H2O (g)

iii) 2NaClO3 (s) → 2NaCl (s) + 3O2 (g)

iv) 2Na (s) + Cl2 (g) → 2NaCl (s)

v) CH3OH (l) → CH3OH (g)