Use the graph of binding energy to estimate the total energy released if a nucleus with mass number 240 fissions into two nuclei with mass number 120.
The plot binding energy per nucleon verses mass number is given as the figure 42.6 in the text book. In this plot, the corresponding binding energy per nucleon for mass number 240 approximately is 7.8 MeV. The corresponding binding energy per nucleon for mass number 120 approximately is 8.5 MeV
Therefore, the amount of energy released in the nuclear reaction involves when a nucleus of mass number 240 decays into two nucleus of each has mass number 120 approximately is 168 MeV
The rate at which a radioactive tracer is lost from a patient’s body is the rate at which the isotope decays plus the rate at which the element is excreted from the body. Medical experiments have shown that stable isotopes of a particular element are excreted with a 6.0 day half-life. A radioactive isotope of the same element has a half-life of 9.0 days. What is the effective half-life of the isotope, in days, in a patient’s body?
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