The Radioactive Isotope Tritium Decays with a First-Order Rate Constant

question 68

Multiple Choice

The radioactive isotope tritium decays with a first-order rate constant k of 0.056 yr^-1.What fraction of the tritium initially in a sample is still present 30.years later?

• A)0.19
• B)0.60
• C)0.15
• D)2.8 × 10^-38
• E)0.81

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A production method that involves converting raw materials into finished goods through chemical, biological, or physical transformations, used in industries like chemicals, food, and pharmaceuticals.