The radioisotope 15O (t1/2 = 122 s) is used to measure respiratory function. Patients inhale the gas,...
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The radioisotope 15O (t1/2 = 122s) is used to measure respiratory function. Patients inhale thegas, which is made by irradiating nitrogen gas with deuterons(2H). Consider a cubical cell measuring 1.24 cm on eachedge, which holds nitrogen gas at a pressure of 2.25 atm and atemperature of 293 K. One face of the cube is uniformly irradiatedwith a deuteron beam having a current of 2.05 A. At the chosendeuteron energy, the reaction cross section is 0.21 b. (a)At what rate is 15O produced in the cell? (b)After an irradiation lasting for 60.0 s, what is the activity of15O in the cell?
The radioisotope 15O (t1/2 = 122s) is used to measure respiratory function. Patients inhale thegas, which is made by irradiating nitrogen gas with deuterons(2H). Consider a cubical cell measuring 1.24 cm on eachedge, which holds nitrogen gas at a pressure of 2.25 atm and atemperature of 293 K. One face of the cube is uniformly irradiatedwith a deuteron beam having a current of 2.05 A. At the chosendeuteron energy, the reaction cross section is 0.21 b. (a)At what rate is 15O produced in the cell? (b)After an irradiation lasting for 60.0 s, what is the activity of15O in the cell?
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