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    Exam 18: Free Energy and Thermodynamics
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    Calculate ΔS°<sub>rxn</sub> for the Following Reaction
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Calculate ΔS°rxn for the Following Reaction

Question 71

Question 71

Multiple Choice

Calculate ΔS°rxn for the following reaction.The S∘ for each species is shown below the reaction. C2H2(g) + 2 H2(g) → C2H6(g)
S°(J/mol∙K) 200.9 130.7 229.2


A) -303.3 J/K
B) -560.8 J/K
C) -159.0 J/K
D) -233.1 J/K
E) +233.1 J/K

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