It Takes 42

question 42

Multiple Choice

It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 M to 0.32 M at 25°C.How long will it take for the reaction to be 90% complete?

• A)13.0 min
• B)86.0 min
• C)137 min
• D)222 min
• E)284 min

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Definitions:

Monopoly Power

The ability of a company or entity to control or dominate an industry or sector, often to the point where competition is significantly reduced or eliminated.

Federal Antitrust Laws

Laws enacted by the federal government of the United States to eliminate or prevent anti-competitive practices, ensure fair competition, and protect consumers from monopolies and cartels.

International Commerce

The exchange of goods and services between countries around the world.

Horizontal Price-fixing

An illegal agreement between competitors to set prices at a certain level, rather than allowing them to be determined by market forces.