The order of the decomposition of hydrogen peroxide

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The order of the decomposition of hydrogen peroxide

Objectives:

To show that the decomposition of hydrogen peroxide is a first order reaction

Introduction:

Refer to the lab manual

Apparatus:

Refer to the lab manual

Chemicals:

Refer to the lab manual

Procedures:

Refer to the lab manual

Precautions:

Refer to the lab manual

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Results:

Let Vo cm3 be the potassium permanganate solution required for the oxidation of hydrogen peroxide at the beginning of the reaction to, and Vt cm3 required after time t, the concentration of hydrogen peroxide at these times are proportional to Vo and Vt respectively

bi.

bii.

biii.

c. by bii. Reaction rate at t = 8mins = 0.0004(3)(82) – 0.0362(2)(8) + 1.4988

                                 = 0.996 cm3min-1

     Reaction rate at t = 12mins = 0.0004(3)(122) – 0.0362(2)(12) + ...

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