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If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long...
If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long will it take for 0.48 g of bismuth-209 to decay to 0.31 g? 6.8 years 25.1 years 1.8 years 2.7 years 14.3 years
show all steps please If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long will it take for 0.48 g of bismuth-209 to decay to 0.27 g?
Question 3 3 pts If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long will it take for 0.48 g of bismuth-209 to decay to 0.31 g? 0 2.7 years 25.1 years O 6.8 years 14.3 years O 1.8 years
A certain radioactive nuclide has a half life of 50.7 years. How long does it take for 87.5% of a sample of this substance to decay? years Submit Hide Hints Hint 1 Hint 4 Hint 3 Hint 2 What percentage of the original sample has decayed after two half lives have elapsed?
A certain radioactive nuclide has a half life of 44.3 years. How long does it take for 87.5% of a sample of this substance to decay? years
A certain radioactive nuclide has a half life of 74.8 years. How long does it take for 87.5% of a sample of this substance to decay? ___years?
The half-life for the radioactive decay of C−14 is 5730 years. A) How long will it take for 30% of the C−14 atoms in a sample of C−14 to decay? B) If a sample of C−14 initially contains 1.9 mmol of C−14, how many millimoles will be left after 2280 years?
The half-life for the radioactive decay of C-14 is 5730 years. How long will it take for 25% of the C-14 atoms in a sample of C-14 to decay. If a sample of C-14 initially contains 1.5 mmol of C-14, how many mmols will be left after 2255 years.
How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 200e^-0.131t, where t is the time in years? Roud to the nearest hundredth year.
a)For a first order decay of [A], if 188 mg remains of an initial sample of 1.3737 g after 516 min, what is the half life (in minutes)? b)The decay of carbon-14 is first order with a half life is 5576 years. How much of 1.4376 g sample would remain after 9190 years? c)The decay of cesium-135 is first order with a half life is 3.0 million years. How long (in years) would it take for a 0.9798 g sample...