Question #252168
Iodine-123 is used to study thyroid gland function. This radioactive isotope breaks down in a
first-order process with a half-life of 13.1 h. What is the rate constant for the process?
1
Expert's answer
2021-10-17T11:21:31-0400

K=ln2t12=0.69313.1=5.29×102hr1K=\frac{ln2}{t_{\frac{1}{2}}}=\frac{0.693}{13.1}=5.29×10^{-2}hr^{-1}


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