Please help me with this problems The activity of 30pg of 247Cm is nCi. Calculate the half-life of 247Cmin unit year.а. 1.55 х 1015 уbunt 22 x 1015 y17.C. 1.35 x 1015yd. 1.75 x 1015 yA radionuclide has an initial activity of 2.00 x10° dis/min, after 4.0 day itsactivity, is 9.0 x 105 dis/min. Calculate the activity in the sample after 40day.a. 73.501 dis/minb. 70.392 dis/min18.C. 68.100 dis/mind. 65. 473 dis/minThe bones of a prehistoric bison were found to have a 148C activity of2.80 dis/min carbon. Approximately by how long ago did the animal live?а. 10,652 уb. 15,966 yCalculate the binding energy per nucleon (B.E/ nucleon) in unit MeVneeded to break a single 7aLi into separated protons and neutrons. If thenucleus has a neutron is equal 1.008665 u.а. 4.931 MeVb. 5.607 Mev19.с. 14,962 уd. 14,025 y20.C. 4.425 MeVd. 3.866 MeV

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The activity of 30pg of 247Cm is nCI, Calculate the half-life of 247Cm in unit year. a. 1.55 x 1015 y bund22 x 1015 y 17. c. 1.35 x 1015y d. 1.75 x 1015 y

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.

Question

Please help me with this problems

The activity of 30pg of 247Cm is nCi. Calculate the half-life of 247Cm
in unit year.
а. 1.55 х 1015 у
bunt 22 x 1015 y
17.
C. 1.35 x 1015y
d. 1.75 x 1015 y
A radionuclide has an initial activity of 2.00 x10° dis/min, after 4.0 day its
activity, is 9.0 x 105 dis/min. Calculate the activity in the sample after 40
day.
a. 73.501 dis/min
b. 70.392 dis/min
18.
C. 68.100 dis/min
d. 65. 473 dis/min
The bones of a prehistoric bison were found to have a 148C activity of
2.80 dis/min carbon. Approximately by how long ago did the animal live?
а. 10,652 у
b. 15,966 y
Calculate the binding energy per nucleon (B.E/ nucleon) in unit MeV
needed to break a single 7aLi into separated protons and neutrons. If the
nucleus has a neutron is equal 1.008665 u.
а. 4.931 MeV
b. 5.607 Mev
19.
с. 14,962 у
d. 14,025 y
20.
C. 4.425 MeV
d. 3.866 MeV

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