A First-Order Reaction Has a Rate Constant of 0

question 62

Multiple Choice

A first-order reaction has a rate constant of 0.00300 s^-1 .The time required for 60% reaction is

• A) 153 s.
• B) 73.9 s.
• C) 170 s.
• D) 133 s.
• E) 305 s.

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Definitions:

Fats

Organic compounds made of fatty acids and glycerol, serving as a major energy storage form in organisms.

Waxes

A diverse class of organic compounds that are malleable at room temperature, typically derived from plants and animals or synthesized industrially.

Oils

Organic compounds that are liquid at room temperature and are hydrophobic, not mixing with water but mixing with other oils and organic solvents.

Carbohydrate

Organic compounds made up of carbon, hydrogen, and oxygen that serve as a major source of energy in the diet of animals, including sugars, starch, and cellulose.