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24-03-2024
Chemistry

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Bananas are somewhat radioactive due to the presence of substantial amounts of potassium. Potassium40 decays by two different pathways: 4019K →4020Ca + β-1 (89.3%) 4019K → 4018Ar + β+ (10.7%) The half-life for potassium decay is 1.3 x 109 years. Determine the rate constants for each pathway. (Engel, #35.28)

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