A Certain First-Order Reaction a → B Is 25% Complete

question 70

Multiple Choice

A certain first-order reaction A → B is 25% complete in 42 min at 25°C. What is its rate constant?

• A) 6.8 × 10^-3 min^-1
• B) 8.3 × 10^-3 min^-1
• C) 3.3 × 10^-2 min^-1
• D) -3.3 × 10^-2 min^-1
• E) 11 min^-1

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Definitions:

Strict Housekeeping

Refers to maintaining a highly organized and clean living or working environment through rigorous practices.

Living Organism

Any individual form of life, such as a plant, animal, bacterium, protist, or fungus, that is capable of growing and reproducing.

Vector

A living organism, such as an insect, that carries microorganisms from an infected person to another person.

Microorganisms

Tiny life forms such as bacteria, viruses, fungi, and protozoa that exist in virtually all environments on the planet.