The half life of bromine-74 is 25 min. How much of a 4.0 mg sample is still active after 75min

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

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Q: A sample of sodium-24 chloride contains 0.050 mg of Na-34. After 20.7 h, 0.019 mg of Na-34 is left.…

A: Any radioactive decay is a first order reaction. For the decay reaction, the decay constant K is…

Q: Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in…

A: Given ,

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Cesium – 137 has a half life of 30 years. How much of a 100 mg sample is left after 120 years?

A: A numerical problem based on half-life period, which is to be accomplished.

Q: If the amount of radioactive sodium-24, used for studies of electrolytes within the body, in a…

A: Given information:Initial concentration = 1.6 mgFinal concentration = 0.2 mgTime = 45.0 hours

Q: The half-life of Pxygen-15 is 2 minutes. What fraction of the sample will remain after 10 minutes…

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Q: Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-life…

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Q: The half-life for gallium-67, a radioisotope, is 78.25 hours. How much of a 56.7 sample of…

A: Given datas ;  t1/2 = 78.25 hrs. [A]0 = 56.7 mg  [A]t = ?  t = 359 hrs.  t/t1/2   = 359 hrs / 78.25…

Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Intial amount of deuterium = 100  Final amount of deuterium = 67  Half-life of deuterium = 1 century…

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Iodine-131 is a radionuclide that is frequently used in nuclear medicine. Among other things, it is…

A: We have to predict the amount of iodine left

Q: Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0…

A: The half-life of any radioactive element is the time in which it has been consumed half of its…

Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET).…

A: The half-life (t1/2) of Nitrogen-13 is provided as 10 minutes.

Q: Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-life…

A:

Q: Iodine-131 is used in the treatment of thyroid disease. What is the half-life of iodine-131 if a…

A: Weight of sample initially = 160mg Weight of sample finally = 5mg Time elapsed = 40 days We have to…

Q: The half-life of bromine-74 is 25 min.  How much of a 4.0 mg sample is still active after 75 min.

A: The integrated rate law expression for the first-order kinetics is: k = 1tlnAoAAo = initial…

Q: Element X has a half-life of 6 hours. How much of X remains from a 64kg sample after one day?

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Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

Q: The half-life of radioactive chromium-51 is 28 days. If a sample of chromium-51 has a mass of 12.0…

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Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: Radioactive decay follow first order kinectics    Half life = 100 years

Q: he​ half-life of the radioactive element unobtanium-37 is 5 seconds. If 32 grams of unobtanium-37…

A:

Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET).…

A:

Q: Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in…

A: The loss of elementary particles from an unstable nucleus results in the transformation of the…

Q: The half-life of 131I is 8.04 days.  Assuming you start with a 1.53 mg sample of 131I, how many mg…

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Q: Phosphorus-32 is used in biochemical studies to follow the pathway taken by metabolites. Its…

A: a) The rate constant can be calculated from half-life time, K=0.6932t1/2 K=0.693214.3 days=0.0485…

Q: The natural radioisotope, radium-226 (226Rn), undergoes a radioactive decay where it emits an alpha…

A: All radioactive decay follows first order kinetics. So the amount after 5 days can be calculated…

Q: The radioisotope sodium-24 is used to determine the levels of electrolytes in the body. A 16microg…

A: The term half life can be defined as the time taken by a given quantity to reduce to half of the…

Q: A 120-mgmg sample of technetium-99 mm is used for a diagnostic test. If technetium-99 mm has a…

A: Solution -

Q: 49. The half life of C0-60 is 5.2 years. How many mg of a 1000 mg sample will remain after 9.50…

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Q: The half-life of bromine-74 is 25 minutes.  How much of a 40 cpm sample is still active after 75…

A: Since bromine-74 is a radioactive element  hence it will have decay reaction  And since the decay…

Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

A:

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.