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Calculate ΔS°(universe)for the Combustion of Acetylene at 298

Question 65

Multiple Choice

Calculate ΔS°(universe) for the combustion of acetylene at 298.15 K using the reaction below.(Given: ΔS°(system) = -194.6 J/K and ΔH°(system) = -2511.2 kJ) 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(g)


A) -2453.2 J/K
B) -186.2 J/K
C) +186.2 J/K
D) +1290.4 J/K
E) +8228.0 J/K

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