The Decomposition of Hydrogen Peroxide Is a First-Order Process with a Rate

question 20

Multiple Choice

The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 × 10⁻³ min⁻¹. How long will it take for the concentration of H₂O₂ to drop from 0.0200 M to 0.0120 M?

• A)< 1 min
• B)7.55 min
• C)481 min
• D)4550 min
• E)31,400 min

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Definitions:

Hangovers

The unpleasant physiological and psychological effects following the heavy consumption of alcohol, including headache, dehydration, and nausea.

Water-soluble

A characteristic of a substance that allows it to dissolve in water.

Butanal

An organic compound belonging to the aldehyde group, with the chemical formula C4H8O, characterized by a four-carbon straight chain and a terminal aldehyde group.

Pentanal

An organic compound, also known as amyl aldehyde, with the formula C5H10O, characterized by its aldehyde group and used in flavoring and perfume formulations.