Carbon-14 Is a Radioactive Isotope Which Decays with a Half-Life

question 10

Multiple Choice

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay?

• A) 5.25 × 10^-5 yr^-1
• B) 1.21 × 10^-4 yr^-1
• C) 1.75 × 10^-4 yr^-1
• D) 3.49 × 10^-4 yr^-1
• E) 3.97 × 10³ yr^-1

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Definitions:

Piston Rings

Circular metal components fitted into the grooves on the outer diameter of a piston in an internal combustion engine, designed to seal the combustion chamber, control engine oil consumption, and support heat transfer.

Control Chart

A statistical tool used to monitor a process over time for variability and detect trends, shifts, or outliers in the process.

Process Mean

The average value of a process performance metric that indicates the central tendency of data collected over time.

Process Standard Deviation

A measure of variability within a process or procedure, capturing the extent to which repeated measures or outcomes differ from each other.