Americium-241 is widely used in smoke detectors. Calculate the amount of Americium-241 consumed in a smoke detector (initially containing 3.80 µg of Am) that has been used for one year if the half-life is 433 years. Give the answer in µg

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 law of radioactive disintegration of a radioactive substance states that the rate of…

A: The initial amount of Sr90 that stored in a sealed container in 1962 is; t12=1987-1962=25…

Q: 120 mg sample of technium 99m is used for a diagnostic test. if a technium 99m has a half-life of…

A: Given- Initial mass = 120 mg Half life = 6.0 hrs To find- milligrams of the technetium 99M sample…

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

A:

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

A:

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: 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 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: 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: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 100 years. Suppose…

A: Radioactive decay follows first order kinetics.

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: what mass remains after 28.5 days have passed?

A:

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…

A:

Q: Sodium -24 has a half life of 15 hours how much sodium -24 will remain in an 18.0g sample after 60…

A: Nuclear chemistry.

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

A:

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

A:

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: Nuclear fusion power stations will produce radioactive waste. This waste will have a much shorter…

A: Nuclear fission is the breaking down of heavy, unstable nuclei into two or more lighter nuclei while…

Q: What is the half-life of N2O5 at 70∘C?

A: For first order reaction, t1/2 = 0.693/k where t1/2 = half life of the reaction k = rate constant…

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

A: Radioactive decays are first order reactions. Here, beta decay occurs to convert carbon-14 to…

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

A:

Q: 1. If gallium – 68 has a half-life of 68.3 minutes, how much of a 160.0 mg sample is left after 1…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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: 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: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73x 10^3 years. Suppose…

A:

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

A:

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

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 of strontium-90 is 28 years. Suppose we have a 80 mg sample. (a) Find a function that…

A: Decay reaction of radioactive element is of first order. And for first order reaction, rate of the…

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

A:

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

A: Answer:- this question is answered by using the simple concept of nuclear chemistry which involves…

Q: 3H decays to ^3He (Helium) with a half life of 12.32 years. If you start off with 1,000,000 atoms of…

A: In a first-order reaction, the reaction rate is directly proportional to the concentration of one of…

Q: The radioactive isotope Pu-238, used in pacemakers, has a half-life of 87.7 years. If 1.6 milligrams…

A:

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

A: Given: 1.  The half-life of radioactive decay of carbon-14 to nitrogen-14 2. C-14 forms N-14…

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

A:

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: Radioactive phosphorus-32 decays with a half-life of 14.0 days. A chemist obtains a fresh sample of…

A: We have to calculate the number of days chemist have to do the experiment.

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: 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 of caffeine in the human body is 6 hours. There is approximately 260 mg of caffeine in…

A:

Q: Sodium-24 has a half-life of 15.0 hours. Suppose you had a sample containing 0.010 moles of Na-24.…

A:

Q: The radioactive isotope Pu-238, used in pacemakers, has a half-life of 87.7 years. If 1.9 milligrams…

A: Given : Half - life = 87.7 years Initial Pu-238 = 1.9 mg

Q: 47.  Recently, the skeleton of King Richard III was found under a parking lot in England. If tissue…

A: Radioactive decay follows the first order kinetics. The rate equation for the first order reaction…

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.