A Pure Sample of Tritium, ³H, Was Prepared and Sealed

question 104

Multiple Choice

A pure sample of tritium, ³H, was prepared and sealed in a container for a number of years. Tritium undergoes β decay with a half-life of 12.32 years. How long has the container been sealed if analysis of the contents shows there are 5.25 mol of ³H and 6.35 mol of ³He present?

• A) 2.34 yr
• B) 3.38 yr
• C) 9.77 yr
• D) 14.1 yr
• E) 25.6 yr

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Definitions:

Agency Problem

A conflict of interest inherent in any relationship where one party is expected to act in another's best interests, such as between shareholders (principals) and company executives (agents).

Stockholders

Individuals or entities that own shares in a corporation, giving them an ownership stake.

Firm's Managers

Individuals responsible for making significant corporate decisions and managing the overall operations and resources of a business.

Capital Budgeting

The process by which a business determines and evaluates potential expenses or investments that are significant in amount.