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Hydrogen Peroxide Decomposes to Water and Oxygen According to the Reaction

Question 80

Multiple Choice

Hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2 H2O2(aq) → 2 H2O(l) + O2(g)
In the presence of large excesses of I- ion,the following set of data is obtained.What is the average rate of disappearance of H2O2(aq) in M/s in the first 45.0 seconds of the reaction if 1.00 L of H2O2 reacts at 25°C and 1.00 atm pressure? Hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2 H<sub>2</sub>O<sub>2</sub>(aq) → 2 H<sub>2</sub>O(l) + O<sub>2</sub>(g) In the presence of large excesses of I<sup>-</sup> ion,the following set of data is obtained.What is the average rate of disappearance of H<sub>2</sub>O<sub>2</sub>(aq) in M/s in the first 45.0 seconds of the reaction if 1.00 L of H<sub>2</sub>O<sub>2</sub> reacts at 25°C and 1.00 atm pressure? A) 9.09 × 10<sup>-7</sup> M/s B) 3.63 × 10<sup>-6</sup> M/s C) 4.33 × 10<sup>-5</sup> M/s D) 1.64 × 10<sup>-4</sup> M/s


A) 9.09 × 10-7 M/s
B) 3.63 × 10-6 M/s
C) 4.33 × 10-5 M/s
D) 1.64 × 10-4 M/s

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