The combustion of ethene in the presence of excess oxygen yields carbon dioxide and water: ΔS°...

Question

Question

The combustion of ethene in the presence of excess oxygen yields carbon dioxide and water:

ΔS° values: C2H4(g) = 219.4J/K; O2 (g) = 205 J/K; CO2 (g) = 213.6 J/k; H2O (g) =69.91 J/K

C2H4 (g) + 3O2 (g) --> 2CO2 (g) + 2H2O (l)

This value of ΔS° for this reaction is _____ J/K mol

A. -267.4

B. -140.9

C. -347.6

D. +347.6

E. +140.9

Answer 1

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