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Hydrogen peroxide decomposes to water and oxygen according to the reaction below:2 H2O2(a q) 2 H2O (l) + O2(g)In the presence of large excesses of I- ion, the following set of data is obtained. What is the averagerate of disappearance of H2O2(a q) in M/s in the first 45.0 seconds of the reaction if 1.00 L of H2O2r e a c t s a t 2 5

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Lelia Lubowitz
Lelia LubowitzLv2
28 Sep 2019

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Related questions

In the presence of large excesses of I^-1 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 1.00L of H2O2 reacts at 25C and 1.00atm pressure?Time(s) | O2(g) Collected (mL)0.0 0.045.0 2.0090.0 4.00135.0 6.00A) 9.09 x 10^-7B) 1.64 x 10^4C) 4.33 x 10^-5D) 3.63 x 10^-6

Hydrogen peroxide decomposes according to the reaction equation

2H2O2 (aq) 2H2O(l)+O2 (g)

This reaction is first order in [H2O2] at 70°C with a rate constant of k = 0.0444 minҀ“1. If the initial concentration is [H2O2]0 = 0.25 M, then what is the value of [H2O2] 45.0 minutes after the solution is prepared?
A) 0.0043M B) 0.035M C) 0.055M D) 0.15M

You use 20. mL of a solution containing 6.0% H2O2 by mass (m/m).Assume the density of the solution is 1.0 g/mL and that all of thehydrogen peroxide decomposes according to the reaction:
2 H2O2 (aq) ? 2 H2O (l) + O2 (g)

A)How many total moles of oxygen gas can be generated through thisdecomposition?

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