Radioactive C14 undergoes exponential decay with a half-life of 5730 years. What is the decay

Q: 14C is a radioactive isotope of carbon, with a half-life of 5730 y. If a mastodon tusk contains…

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Q: Carbon Dating: Carbon-14 commonly used for dating historical artifacts, is a radioactive isotope…

A: Radioactive decay follows first order kinetics.  We know that k = 0.693/t(0.5) ...(1) k = rate…

Q: What is the rate constant if 40% of 0.25 M H2O2 is spent in 50 minutes from the second degree decay?

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Q: NUCLEAR REACTIONS Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

A: Nickel 56 have atomic number 28 and have atomic 56. When nickel decay positron (beta positive) then…

Q: Copper-64 is used in the form of copper acetate to study brain tumors. It has a half-life of 12.8…

A: Since we know that radioactive decy follow first order kinetics  So to solve this problem we will…

Q: The % abundance of a radioactive isotope of element X is 0.0234%. This isotope is decaying at a rate…

A: The rate of disintegration is 15 disintegrations per sec. This implies that 15 atoms of the…

Q: What is the half-life of an isotope that is 75% decayed after 16 days?

A: Half life is a time period in which the initial amount of a substance becomes half after certain…

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

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Q: Technetium-99 has been used as a radiographic agent in bone scans (9943Tc is absorbed by bones). If…

A: Radiographic process follow first order:Total no. of hours in 2 - days = 2 x 24 hours…

Q: Carbon Dating: Carbon-14 commonly used for dating historical artifacts, is a radioactive isotope…

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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: 6. Iodine – 131 is used in the form of sodium iodide to treat cancer of the thyroid. The isotope has…

A: half - life = t1/2 = ln 2λ Given that,t1/2 = 8.04 days Ao = 25 mg t = 32.2 days

Q: Radioactivity from Chernobyl After the release ofradioactive material into the atmosphere from a…

A: Given data half life of  iodine-131 : t1/2 = 8 days safe feed : Amount of  iodine-131 left 10 % of…

Q: Strontium-90 is present in the fallout produced by nuclear weapons testing in the atmosphere. Sr-90…

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Q: Technetium-99 has been used as a radiographic agent in bone scans (9943Tc is absorbed by bones). If…

A: The half-life period is the time taken by one half of the radioactive substance to decay or…

Q: Technetium−99m is used in diagnostic imaging studies involving the brain.  What fraction  of the…

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Q: Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes…

A: The activity for the sample can be described as the amount of the radioactive particles are…

Q: The half-life of the radioactive isotope phosphorus-32 is 14.3 days. How many days does it take for…

A: The equation for 1st order decay is:

Q: Strantium 90 is a major component of the detonation of nuclear explosives, it is particularly…

A: Radioactive substances disintegrate in nature due to their instability. The disintegration process…

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

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Q: If 25.35 grams of radioactive waste reduces to 9.75 grams of radioactive waste after 1350 years,…

A: Given, time = 1350 years  Half life , t1/2 = ?

Q: Technetium−99m is used in diagnostic imaging studies involving the brain.  What fraction  of the…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

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

A:

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

A:

Q: Radioactive cobalt-56 decays with a half-life of 77.2 days. a. What is the value of k in s12 k = b.…

A: Radioactive disintegrations always happen as per first-order kinetics in which reaction rate for…

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

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Q: Another form of radiometric dating is potassium-argon dating, which tracks the ratio of Ar-40 to…

A: Any reaction following "first-order reaction", that reactions rate always relies over single…

Q: Cobalt – 60 used in cancer therapy, decays by beta and gamma emission. The decay constant is…

A: Consider the given information is as follows; Decay constant λ = 4.18×10-9/s Half-life t12 = ?

Q: Living things absorb carbon-14 (C-14) throughout their lives, and then stop absorbing C-14 when they…

A: Half life = 5730 years This follow first order kinetics so first we will Calculate rate constant

Q: Technetium -99 (Tc-99) is the most commonly used radiotracer in medicine. It is used to detect…

A: Decays reactions are first order reactions. Since we know that the relationship between the…

Q: Carbon Dating: Carbon-14 commonly used for dating historical artifacts, is a radioactive isotope…

A: Given: Amount of carbon-14 in the bone remaining, [A] = 47% of its original concentration = 0.47…

Q: The isotope 32P emits radiation and has a half-life of 14.3 days. Calculate the decay constant in…

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Q: the half-life of the antidepressant Prozac in an average man is 2 days. how long in days does it…

A: The half-life of the antidepressant Prozac in an average man is = 2 day The time required for the 95…

Q: The half-life for the first order radioactive decay of 14C is 5730 years. An archeological sample…

A: The breaking down of atomic nuclei releases the energy and matter from nuclei. This process is named…

Q: Q#3 Iodine-123, used in the treatment of thyroid, brain, and prostate cancer, has a half-life of…

A: Given :  Half life(t1/2) = 13.2 hr  Given time (t) = 26.4 hr  Mass of sample = 64 mg  t1/2=0.693K…

Q: half-life

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Q: 1311 is an isotope of iodine used for the treatment of hyperthyroidism, as it is readily absorbed…

A: Given that half life of sample is 24 days.

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

A: Given data: Radio active sodium -24 used in the studies of electrolytes within the body. Initial…

Q: Copper(II) acetate containing copper-64 is commonly used to study brain tumors. This isotope has a…

A: Radioactive decay follows the first-order kinetics. The decay constant (λ) or rate constant and…

Q: Tritium,3 1 H , an isotope of hydrogen has a half-life of 12.33 years. Its decay constant in years-1…

A: Halflife of Tritium , t1/2 = 12.33 years Decay constant , k = ?

Q: s the rate constant (in min−1) for the decomposition of fluorine-18?   min−1 (b) If a sample of…

A: Radioactive decay is first order reaction  Hence Half life = 0.693/k k-rate constant of reaction…

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

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

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Q: The bromine isotope Br-75 is used for imaging in positron emission tomography. Br-75 has a half-life…

A: Half life of Br- 75 ( t1/2 )         = 57 hour  Suppose initial amount [ A ]0 = 100 %  Remaining…

Q: Carbon-14 (C-14) is a radioactive isotope with a half-life of 5,730 years. It decays to stable…

A: C-14 is a widely used isotope of carbon and is famous in the name of carbon dating.

Q: 1. Carbon Decay In living organic material, the ratio of the number of radioactive carbon isotopes…

A: The given question is self explanatory. Formula is given in question.

Q: Technetium-99 is often used for assessing heart, liver, and lung damage because certain technetium…

A: The radioactive elements are used for assessing of damage in body.The radioactive elements decay…

Q: Strontium−90 is one of the products of the fission of uranium−235. This strontium isotope is…

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Q: 2. Tellurium-123 is a radioactive isotope occurring in natural tellurium. The decay constant is 1.7…

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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.