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Calculate ?S°rxn for the Following Reaction

Question 101

Multiple Choice

Calculate ?S°rxn for the following reaction.The S° for each species is shown below the reaction.
C2H2(g) + H2(g) ? C2H4(g)
S°(J/mol?K) 200.9 130.7 219.3


A) +112.3 J/K
B) +550.9 J/K
C) -112.3 J/K
D) +337.1 J/K
E) -550.9 J/K

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