Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
how many years will have to pass before only 3% of radioactive isotope is left if there is a half ye
1 answer
well, if the half-life is n years, you want t where
(1/2)^(t/n) = 0.03
You can
ask a new question
or
answer this question
.
Similar Questions
the longest lived radioactive isotope yet discovered is the beta-emitter tellurium-130.it has been determinded that it would
Top answer:
<sub>52</sub><sup>130</sup>Te ==> <sub>-1</sub><sup>o</sup>e + X The subscripts must add up and the
Read more.
A radioactive isotope has a half life of 25 years. There was 100 mg of the isotope in 2005.
(a) Find an expression for the amount
Top answer:
Ok, let's start with A(t) = P e^(ct) when t = 0, A(0) = 100 , assuming a time of zero <---> 2005 100
Read more.
A radioactive isotope has a half life of 25 years. There was 100 mg of the isotope in 2005.
(a) Find an expression for the amount
Top answer:
i finished c) can some one help me with d?
Read more.
A radioactive isotope has a half life of 25 years. There was 100 mg of the isotope in 2005.
(a) Find an expression for the amount
Top answer:
You are modelling amount = P e^(kt), where P is the original amount so when t = 0 , P = 100 when t =
Read more.
A radioactive isotope has a half life of 25 years. There was 100 mg of the isotope in 2005.
(a) Find an expression for the amount
Top answer:
Your derivative is almost correct. 100 should appear only once, as it is a common factor of both
Read more.
The number of grams of a radioactive isotope present after t years is
. What does 1,500 represent if ? A. the number of grams of
Top answer:
B. the number of grams of the radioactive isotope present after 2 years
Read more.
Complete the table for the radioactive isotope. (Round your answer to two decimal places.)
Isotope: 239Pu Half-life (years):
Top answer:
Oh, radioactive isotopes, they're always decaying and causing trouble! But don't worry, I'll help
Read more.
The exponential formula for the half-life of a radioactive isotope is
y=y0ekt, where y is the amount of the isotope remaining
Top answer:
divide by e^(kt) ... y / [e^(kt)] = y0
Read more.
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
Top answer:
Solve this for k: 3 = 10 e^(-kt) where t = 17 years ln (3/10) = -17k k = 0.0798 y^-1
Read more.
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
Top answer:
To find the decay constant of the isotope, we can use the formula for exponential decay: N(t) = N₀
Read more.
Related Questions
Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 69 grams, how much will
Element X is a radioactive isotope such that every 86 years, its mass decreases by half. Given that the initial mass of a sample
The rate of decay is proportional to the mass for radioactive material. For a certain radioactive isotope, this rate of decay is
Which radioactive sample would contain the greatest remaining mass of the radioactive isotope after 10 years?
A. 2.0 grams of 198
a certain radioactive isotope has a half life of approx 1,300 years .
How many years to the nearest year would be required for a
Technetium-99m is a radioactive isotope commonly used in medicine as a radioactive tracer. A radioactive tracer is an isotope
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.
A 10 kg quantity of a radioactive isotope decays to 3 kg after 17 years. Find the decay constant of the isotope.