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erin512 Group Title

The radioactive substance krypton-91 has a very short half-life of about 10 seconds. What is the decay constant for this substance?

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  1. Kainui Group Title
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    \[\frac{ \ln2 }{ t _{1/2} }=k\] I can derive this for you if you'd like.

    • one year ago
  2. Krishnadas Group Title
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    half life= 0.693/decay constant

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