What Is the Decay Constant for 131I If the Half-Life

question 63

Multiple Choice

What is the decay constant for 131I if the half-life is 8.04 d?

• A) 9.98 x 10^-7 s-1
• B) 9.31 x 10^-5 s-1
• C) 3.48 x 10^-6 s-1
• D) 4.81 x 10^-4 s-1

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Definitions:

IR

Infrared spectroscopy, a technique used to identify and study chemicals through the absorption of light in the infrared spectrum.

NMR

Nuclear Magnetic Resonance, a spectroscopic technique that exploits the magnetic properties of certain nuclei to determine the structure of compounds.

Molecular Formula

A notation representing the number and type of atoms in a molecule without depicting the bonds (e.g., H2O for water).

IR

Infrared spectroscopy, a technique used to identify and study chemicals through the absorption of infrared radiation, providing insights into molecular vibrations and structures.