The Isotope, Tritium, Has a Half-Life of 12

question 42

Multiple Choice

The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. How much tritium will be left after 30 years?

• A) 0.20 kg
• B) 1.8 kg
• C) 0.18 kg
• D) 1.7 kg
• E) 4.1 kg

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Definitions:

Utilitarian Needs

Needs motivating the consumer to purchase something practical and functional.

Cycle

A sequence of events or processes that recur regularly, returning to the starting point and often leading to predictable outcomes.

Expectancy Theory

A theory that explains the behavioral process of why people choose one behavioral option over others, suggesting that individuals are motivated by an expected outcome.

Cognitive Dissonance

The psychological discomfort experienced by an individual who holds two or more contradictory beliefs, ideas, or values at the same time.