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) Cobalt―60 is a radioactive isotope with a half-life of 5.26 years and emits beta particles.     (i)    Write the equation to represent the decay of cobalt―60.                Ans ; 60Co → 60Ni + β−+ neutrino   (ii)  Calculate the decay constant of cobalt―60.

) Cobalt―60 is a radioactive isotope with a half-life of 5.26 years and emits beta particles.     (i)    Write the equation to represent the decay of cobalt―60.                Ans ; 60Co → 60Ni + β−+ neutrino   (ii)  Calculate the decay constant of cobalt―60.

Chemistry
Chemistry
10th Edition
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(a)

Cobalt―60 is a radioactive isotope with a half-life of 5.26 years and emits beta particles.

 

 

(i)    Write the equation to represent the decay of cobalt―60.               

Ans ; 60Co → 60Ni + β−+ neutrino

 

(ii)  Calculate the decay constant of cobalt―60.                                   

(iii) Calculate the rate of decay of a sample of cobalt―60 when it has 2.5 ×1021   atoms.  
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