Phosporus-32 is used in biochemical studies to follow the pathway taken by metabolites. Its half-life is 14.3 days. A vial containing 10µg of P-32 is accidentally spilled into a sink.          a) how long will it take P-32 in the drain to exhibit 65% of its

Q: The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The…

A: Answer : Since radioactivity follows first order kinetics . Given : Half life = 14.3 days . Initial…

Q: The half-life of percocet in the human body is 4 hours. If someone currently has 12 mg of the drug…

A:

Q: 9. A sample of a compound is found to have a half-life of 14.65 seconds. Answer the following…

A: Given:  The half life of the compound = 14.65 seconds

Q: Phosphorus-32, a radioisotope used in the treatment of leukemia, has a half-life of 14.3 days. If 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: The half-life of a radioactive element in the first order reaction is 45 minutes .How long will it…

A:

Q: Use the References to access important values if needed for this question. The radioisotope…

A: The half period is -   t1/2 = 0.693/K Here - t1/2 = half life period of P -32 = 14.3 days K = rate…

Q: The isotope 226Ra has a half-life for the radioactive decay of 1600 years. How long will it take the…

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Q: #10

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Q: An atomic isotope radioactively decays and has a half-life of 23.7 days. How many days will it take…

A: In order to solve this question, we will follow the rule that all radioactive disintegration decays…

Q: By mass spectral analysis, a sample of strontium is known to contain 2.64x1010 atoms of Sr-90 as the…

A: Answer to all the questions is given below.

Q: What is the half-life of a sample if after 40 years 12.5g of an original 0.4kg sample is left?

A: Given that,  Initial mass of sample = 0.4 kg = 400 g  Mass of sample left after after 40 years =…

Q: Radioactive phosphorus-32 decays to form sulfur-32 by emission of a β particle. Estimating the…

A: The radioactive phosphorus-32 decays to form sulfur-32 by emission of a β particle. The half-life of…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A:

Q: The half-life of radium-226 is 1.60x103 yr. How many hours will it take for a 5.00-g sample to decay…

A: Given: Initial mass of radium = 5.00 g Final mass of radium remaining = 0.185 g And half life of…

Q: Carbon-14 measurements on the linen wrappings from the Book of Isaiah on the Dead Sea Scrolls…

A: We have to predict the age of scrolls.

Q: 8) The half-life for the (first order) radioactive decay of "C is 5730 years. An archaeological…

A: Answer: Data given- half-life for radioactive decay  of 14C is 5730 yrs. 70% of the 14C found in…

Q: Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The…

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Q: Iron-59 is a radioisotope used to study iron metabolism in the spleen. It has a half-life of 44.5…

A:

Q: The half-life of the radioactive isotope polonium-214 is 1.64x104 seconds. How long will it take for…

A:

Q: (5) Radioactive decay is measured in terms of "half-life", which is the number of years required for…

A:

Q: 5) Cesium 137 is a radioactive element that was released into the Atmosphere during the Chernobyl…

A: Half life of a radioactive material is the time taken by a radioactive material to reduce to its…

Q: ) A human bone uncovered in a burial site in Majorca, Spain by a student working for the pollentia…

A: Given, Rate constant of decay of  of C-14, K=1.2094×10-4yr-1

Q: The radioactive isotope copper-64 (64CU) is used in the form of copper(II) acetate to study Wilson's…

A: Answer: the half life of radioactive isotope c64u is used in the form of copper(II) acetate  is 12.7…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 × 10° years. Suppose…

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Q: The age of wine can be determined by measuring the trace amount of radioactive tritium. Tritium is…

A: Radioactive decay follows first order kinetics. Tritium is a radioactive isotope of hydrogen and…

Q: The half-life of the radioactive isotope magnesium-20 is 0.600 seconds. How long will it take for…

A: Half-life is the time required for a quantity to be reduced to half of its original value. The…

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

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

Q: 9. A sample of a compound is found to have a half-life of 14.65 seconds. Answer the following…

A: This question is related to chemical kinetics.  A first-order reaction is a chemical reaction in…

Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

A:

Q: what is the half-life of plutonium-239 if it takes 14 098 years for 33% of a given sample to decay

A: Radioactive decay follows the first-order kinetics. According to the first-order kinetics, the decay…

Q: 3. One of the radioactive nuclides formed in nuclear power plants is hydrogen-3, called tritium,…

A:

Q: Iodine-131 has a half-life of 8.1 days and is used as a tracer for the thyroid gland. If a patient…

A:

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

A: Sample mass of Iodine - 131 initially = 0.16 gram Half life of iodine-131 = 8 days We know that…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10° years. Suppose…

A:

Q: Strontium-90 (Sr-90), a radioactive isotope of strontium, is present in the fallout resulting from…

A: Given: Half-life = 27 year Initial amount of Sr-90 = No Final amount of Sr-90 = N = 8No

Q: Plutonium-239 (produced in breeder reactors has a half-life of 24,100 years. How long will it take…

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Q: 14.The half-life of aspirin in your blood stream is 12 hours. How long will it take for the aspirin…

A:

Q: 2) Cobalt-60 is used in radiation theraphy. It has a half-life of 5.26 years. a. Calculate the rate…

A: Half life of Co-60 (t1/2) = 5.26 years The rate constant of the decay is given by:…

Q: Use the References to access important values if needed for this question. The half-life of the…

A: Introduction: Radioactive isotopes can be defined as atoms that contains an unstable combination of…

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

A: Nuclear chemistry is a branch of chemistry which involved the study of reactions in the nucleus. The…

Q: Uranium-238 decays to form thorium-234 with a half-life of 4.5x109 years. What is the decay constant…

A:

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A: The rate constant of the radioactive decay can be calculated as follows: Rate constant (k)  =…

Q: 10 The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10" years.…

A: This is a first order reaction and hence the half life is, t1/2 = 0.693/k

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: The half life for the isotope C11 is 20.38 minutes. How long will it take for 70% of a sample to…

A:

Q: Both technetuim-99 & thallium-201are used to mage heart muscle in patients with suspected heart…

A: Radioactive decay is a first order reaction. So we would calculate the percent of both of the…

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

A:

Q: 4. The fluorine-18 isotope is radioactive (decays by positron emission). It is used in in the form…

A: Radioactive decay follows first order kinetics, so radioactive decay has rate law similar to that of…

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.