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Technetium-99m (99m is mass number 99 but "meta-stable") is used in hospitals for radiation therapies. Unfortunately, the useful form has a half-life of 6 hours which limits the ability to transport it to remote locations. Radio-chemists developed a solution, the "Molybdenum Cow" or moly cow, which is a laboratory apparatus that can be used to make samples of Technicium-99 in hospital radiation labs. Every 1/2 hour or so you can wash a solution through the cow to produce a certain amount of isotope, then you have to wait for the reaction to generate more. Balance the Nuclear equation to determine what particle is emitted when the cow is making Technicium-99 milk. 99 Z Mo → 99m Z Z (a) Balance the equation and determine what the emitted particle is (replace the red items as needed). Z Tc + Z A Another isotope you deal with every day is potassium-40 which is a beta emitter. Natural potassium on earth has this isotope so biology can deal with it and you certainly cannot live without potassium. One effect of low potassium is muscle cramps and eating bananas is a great way to get potassium. You probably shouldn't eat 10 bananas at one time (other physiological effects would come about) but if you did, you would end up with 230 radioactive emissions a second from that potassium! A A A El→ El+ Particle Z Particle (b) Write a balanced nuclear equation for the beta emission by potassium-40. (Replace the Red items)

Technetium-99m (99m is mass number 99 but "meta-stable") is used in hospitals for radiation therapies. Unfortunately, the useful form has a half-life of 6 hours which limits the ability to transport it to remote locations. Radio-chemists developed a solution, the "Molybdenum Cow" or moly cow, which is a laboratory apparatus that can be used to make samples of Technicium-99 in hospital radiation labs. Every 1/2 hour or so you can wash a solution through the cow to produce a certain amount of isotope, then you have to wait for the reaction to generate more. Balance the Nuclear equation to determine what particle is emitted when the cow is making Technicium-99 milk. 99 Z Mo → 99m Z Z (a) Balance the equation and determine what the emitted particle is (replace the red items as needed). Z Tc + Z A Another isotope you deal with every day is potassium-40 which is a beta emitter. Natural potassium on earth has this isotope so biology can deal with it and you certainly cannot live without potassium. One effect of low potassium is muscle cramps and eating bananas is a great way to get potassium. You probably shouldn't eat 10 bananas at one time (other physiological effects would come about) but if you did, you would end up with 230 radioactive emissions a second from that potassium! A A A El→ El+ Particle Z Particle (b) Write a balanced nuclear equation for the beta emission by potassium-40. (Replace the Red items)

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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Technetium-99m (99m is mass number 99 but "meta-stable") is used in hospitals for radiation therapies. Unfortunately, the useful form has a half-life of 6 hours which limits the ability to transport it to remote locations. Radio-chemists developed a solution, the "Molybdenum Cow" or moly cow, which is a laboratory apparatus that can be used to make samples of Technicium-99 in hospital radiation labs. Every 1/2 hour or so you can wash a solution through the cow to produce a certain amount of isotope, then you have to wait for the reaction to generate more. Balance the Nuclear equation to determine what particle is emitted when the cow is making Technicium-99 milk. 99 Z Mo → 99m Z TC + A Z Particle (a) Balance the equation and determine what the emitted particle is (replace the red items as needed). A A A El→ El+ Particle Z Z Z Another isotope you deal with every day is potassium-40 which is a beta emitter. Natural potassium on earth has this isotope so biology can deal with it and you certainly cannot live without potassium. One effect of low potassium is muscle cramps and eating bananas is a great way to get potassium. You probably shouldn't eat 10 bananas at one time (other physiological effects would come about) but if you did, you would end up with 230 radioactive emissions a second from that potassium! (b) Write a balanced nuclear equation for the beta emission by potassium-40. (Replace the Red items)
Transcribed Image Text:Technetium-99m (99m is mass number 99 but "meta-stable") is used in hospitals for radiation therapies. Unfortunately, the useful form has a half-life of 6 hours which limits the ability to transport it to remote locations. Radio-chemists developed a solution, the "Molybdenum Cow" or moly cow, which is a laboratory apparatus that can be used to make samples of Technicium-99 in hospital radiation labs. Every 1/2 hour or so you can wash a solution through the cow to produce a certain amount of isotope, then you have to wait for the reaction to generate more. Balance the Nuclear equation to determine what particle is emitted when the cow is making Technicium-99 milk. 99 Z Mo → 99m Z TC + A Z Particle (a) Balance the equation and determine what the emitted particle is (replace the red items as needed). A A A El→ El+ Particle Z Z Z Another isotope you deal with every day is potassium-40 which is a beta emitter. Natural potassium on earth has this isotope so biology can deal with it and you certainly cannot live without potassium. One effect of low potassium is muscle cramps and eating bananas is a great way to get potassium. You probably shouldn't eat 10 bananas at one time (other physiological effects would come about) but if you did, you would end up with 230 radioactive emissions a second from that potassium! (b) Write a balanced nuclear equation for the beta emission by potassium-40. (Replace the Red items)
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