karlaLTR
  • karlaLTR
Activity of technetium-99 in 24 hours Time (h) 0 3 6 9 12 15 18 21 24 Acivity (kBq) 17.0 12.2 8.9 6.5 4.5 3.2 2.3 1.5 1.1 determine the half life of technetium-99
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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karlaLTR
  • karlaLTR
HEeres a better picture of the graph
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karlaLTR
  • karlaLTR
i will fan and medal PLEASE HELP
anonymous
  • anonymous
what music u listen to

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karlaLTR
  • karlaLTR
can you help me with this question? :p but i listen to hiphop and rap....anytime of music is what i listen to tbh
DariusX
  • DariusX
T=ln2/λ=0.693/λ when t = 0, N = No n = m/M M = 99g/mol N = n * Na Na = 6,02 * 10^23, A=λ∗N idk, how to solve it fully, but imma throw some formulas here. maybe someone will find them useful and will help you. if i knew 'm' i could solve it
karlaLTR
  • karlaLTR
its really confusing since we dont have m, theres now way of finding it!
karlaLTR
  • karlaLTR
but thank you so much!
karlaLTR
  • karlaLTR
Idk if this wil help but the formula My teacher provided was A=A0(1/2) t/h

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