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    Chemistry The Central Science Study Set 3
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    Exam 21: Nuclear Chemistry
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    The Half- Life for the Beta Decay of Potassium- 40
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The Half- Life for the Beta Decay of Potassium- 40

Question 78

Question 78

Essay

The half- life for the beta decay of potassium- 40 is 1.3 × 109 years. What is the rate constant for this decay?

Correct Answer:

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t1/2 = 0.693/k
1.3 × 109 y...

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