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Hydrogen Peroxide (H2O2)decomposes According to the Following Equation

Question 45

Multiple Choice

Hydrogen peroxide (H2O2) decomposes according to the following equation. H2O2(l) → H2O(l) + ½O2(g) .
What is KP for this reaction at 25°C? (ΔH° = -98.2 kJ/mol,ΔS° = 70.1 J/K • mol,R = 8.314 J/K• mol)


A) 1.3 × 10-21
B) 20.9
C) 3.46 × 1017
D) 7.4 × 1020
E) 8.6 × 104

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