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:

Digital Input

An input signal to a device or system that takes the form of binary (0 or 1) data, used in electronic devices for configuring or controlling operations.

Selector Switch

A control switch that allows the user to select between multiple settings or circuits.

Digital Input

An input signal or data that can take on only specific discrete values, commonly used in digital electronics.

DCM

DCM stands for Direct Current Motor, which is a type of electric motor that runs on direct current electricity, and is used in various applications requiring controlled and efficient mechanical power.