A nuclide has a decay rate of 2.00 ×10^10 s^-1 . After 25.0 days, its decay rate is 6.25 ×10^8 s

Name: Problem 89, Chapter 25: General Chemistry: Principles and Modern Applications
Uploaded: 2020-07-30T20:36:15-08:00
Duration: 2 min 20 s
Channel: Bin Chen
Description: A nuclide has a decay rate of 2.00 ×10^10 s^-1 . After 25.0 days, its decay rate is 6.25 ×10^8 s^-1. What is the nuclide's half-life? (a) 25.0 d; (b) 12.5 d; (c) 50.0 d; (d) 5.00 d ; (e) none of these.

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Bin Chen · Accepted Answer

step 1 Okay, so in this question, they tell us that the initial decay rate is 2 .0 times 10 to the 10 p

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