Question
In: Physics
If naturally occurring 40K is responsible for a dose equivalent of 0.16 mSv/y of background radiation,...
If naturally occurring 40K is responsible for a dose
equivalent of 0.16 mSv/y of background radiation, calculate the
mass of 40K that must be inside the 59 kg body of a
woman to produce this dose. Assume that each 40K decay
emits a 1.30 MeV β, and that 40% of this energy is
absorbed inside the body. The half life of 40K is 1.25 ×
109 years.
_______ g
Solutions
genius_generous answered 2 weeks agoRelated Solutions
Naturally occurring 40K is listed as responsible for 34 mrem/y of background radiation. Calculate the mass...
Naturally occurring 40K is listed as responsible for
34 mrem/y of background radiation. Calculate the mass of
40K in grams that must be inside the 47 kg body of a
woman to produce this dose. Each 40K decay emits a 1.32
MeV β, and 57% of the energy is absorbed inside the
body.
Naturally occurring 40K is listed as responsible for 27 mrem/y of background radiation. Calculate the mass...
Naturally occurring 40K is listed as responsible for
27 mrem/y of background radiation. Calculate the mass of
40K in grams that must be inside the 59 kg body of a
woman to produce this dose. Each 40K decay emits a 1.32
MeV β, and 55% of the energy is absorbed inside the
body.
(a) The radioisotope 40K constitutes 0.0117% of naturally occurring potassium and has a half life of...
(a) The radioisotope 40K constitutes 0.0117% of naturally
occurring potassium and has a half life of 1.28´109 years.
Calculate the activity of a 1.00 kg sample of potassium chloride
(KCl). You may assume that 40K is the only radioisotope present in
the sample. A mole of potassium chloride has a mass of 74.55 g
Hint: You will need to calculate the number of 40K atoms in the
sample.Type or paste question here
(b) The plutonium batteries in Voyager 1 had...
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