chemistry

posted by .

a certain radioactive nuclide has a half life of 5.00 hour. Calcuate the decay rate for 1.000 mole of this nuclide

__________ decay s-1

  • chemistry -

    for any amount Ao, the amount A after t hours is

    A = Ao*2^(-t/5)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry

    A radioactive sample contains 3.25 1018 atoms of a nuclide that decays at a rate of 3.4 1013 disintegrations per 26 min. (a) What percentage of the nuclide will have decayed after 159 d?
  2. Chemistry

    A 71 mg sample of a radioactive nuclide is administered to a patient to obtain an image of her thyroid. If the nuclide has a half-life of 12 hours, how much of the nuclide remains in the patient after 4.0 days?
  3. Math - D.E.Q.

    The half-life of a radioactive isotope is the amount of time it takes for a quantity of radioactive material to decay to one-half of its original amount. i) The half-life of Carbon 14 (C-14) is 5230 years. Determine the decay-rate …
  4. Physics

    Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ?
  5. Physics ...

    Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ?
  6. chem

    Nuclide X has decay constant 1.08 h-1. It can decay in 2 branches, to nuclide Y or to nuclide Z: X --> Y, with decay constant 0.43 h-1, and X --> Z, with unknown decay constant. If there are 10 moles of nuclide X at time t = …
  7. Physic II

    The decay constant of a radioactive nuclide is 9.5x10^-3 s^-1 . At given instant, the activity of a specimen of the nuclide is 80 mCi. The time interval required for the activity to decline to 40 mCi is closest to: ?
  8. Science

    If a nuclide has a decay constant of 10^-6 s-1 what is its half life ?
  9. Chemistry

    The radioactive nuclide 18F decays by first order kinetics with a half life of 1.83 hr. How many hours will it take for 68.5% of a give quantity of 18F to decay?
  10. Calculus

    The rate of decay is proportional to the mass for radioactive material. For a certain radioactive isotope, this rate of decay is given by the differential equation dm/dt = -.022m, where m is the mass of the isotope in mg and t is the …

More Similar Questions