nick614
nick614 nick614
  • 09-03-2017
  • Mathematics
contestada

a 18 gram sample of a substance that's used to detect explosives has a k value of0.125

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KariSupreme
KariSupreme KariSupreme
  • 09-03-2017
T1/2 = ln 2 / k = ln 2 / 0.125 = 5.5
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