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    Chemistry Study Set 2
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    Exam 17: Entropy Free Energy and Equilibrium
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    Hydrogen Peroxide (H<sub>2</sub>O<sub>2</sub>)decomposes According to the Equation H<sub>2</sub>O<sub>2</sub>(l)\(\rarr\) H<sub>2</sub>O(l)+ <Sup>1</sup>/<sub>2</sub>O<sub>2</sub>(g)\(\Delta\)
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Hydrogen Peroxide (H2O2)decomposes According to the Equation H2O2(l) →\rarr→ H2O(l)+ 1/2O2(g) Δ\DeltaΔ

Question 107

Question 107

Multiple Choice

Hydrogen peroxide (H2O2) decomposes according to the equation H2O2(l) →\rarr→ H2O(l) + 1/2O2(g) .
Calculate Kp for this reaction at 25°C.( Δ\DeltaΔ H° = -98.2 kJ/mol, Δ\DeltaΔ S° = 70.1 J/K·mol)


A) 1.3 × 10-21
B) 20.9
C) 3.46 × 1017
D) 7.5 × 1020
E) 8.6 × 104

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