Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73 x 10° years. How many milligrams of a 81.5 milligram sample of carbon-14 will be lost by radioactive decay during 1.15 x 10 years? mg Retry Entire Group 9 more group attempts remaining Submit Answer

Q: Use the graph below to answer the following questions. 100% 75% Amount of carbon- 14 50%+ 25%+…

A: Solution - The given graph shows radioactive decay of C-14 .  1) Half life of carbon -14 is 5730…

Q: An 16 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A: In what year will only 0.625 gm of strontium 90 remain?

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A:

Q: 10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of…

A: Given the half-life of the first-order decay, t1/2 = 6.5*105 yr For the first-order reaction, rate…

Q: . Barium – 122 has a half-life of 2 minutes. Suppose you obtain a sample weighing 10.0 g and it…

A:

Q: 152Eu is a radioisotope with a half-life of approximately 14 years.  A student works with a sealed…

A: The number of the neutron in an element is equal to the difference between mass number and atomic…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Following information given in the question - Half life period of Iodine-131 , t1/2 = 8.04 days…

Q: An 39 g sample of an isotope of Strontium-90 was formed in 1960 explosion of an atomic bomb at…

A:

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

A:

Q: Use the table on the right to answer the following questions. 11. How long is a half-life for…

A: Note : As per our guidelines , we are supposed to answer only subparts of first question (11 to 14)…

Q: How long will it take for 19.9% of a dose if I-131 to decay? Express answer in days as three…

A:

Q: The half-life of radium-226 is 1600 years. How long will it take for 10.0 mg of radium-226 to decay…

A:

Q: The radioactive isotope 247Bk decays by a series of a-particle and B--particle productions, taking…

A: A radioactive isotope, also known as a radioisotope, radionuclide, or radioactive nuclide.It is one…

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

A:

Q: The Br-82 nucleus has a half-life of about 1.0 × 103 minutes. If you wanted 3.6 g of Br-82 and the…

A: Unstable nuclei can emit radiations and attain stability by transforming into another nuclei. This…

Q: life of 1.27 × 109 yr. The age of a mineral sample that has a mass ratio of 40Ar to 40K of 0.330 is…

A: The answer is given as follows

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A:

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

A:

Q: Charcoal samples from Stonehenge in England were burned in the presence of oxygen with the resulting…

A:

Q: One of the radioactive isotopes used in medical treatment or analysis is chromium-51. half-life of…

A: Radioactive decay follows first-order kinetics. The half-life of the first-order reaction does not…

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

A: This problem is based on nuclear chemistry. This is a first order reaction. We have to use the…

Q: 11) The decay curve shown below approximates the decay of carbon-14. What is the approximate…

A: Half life of any reaction is defined as the time required for the reactant to reduce to 50% of its…

Q: 90 The half-life of "Sr is 28 years. How long will it take for a given sample of "Sr to be 83%…

A: 1) half life = 28 years  Decomposed = 83 %  2) half life = 39.4 days

Q: The carbon-11 isotope has a half-life of 20.3 minutes. How long (in hours) will it take for 99.9999%…

A: Here we have to determine time required for 99.9999% of a carbon-11 sample to disappear.Given half…

Q: The radioactive isotope I decays by electron capture. If the mass of a sample of iodine-123 decays…

A: Interpretation -  To determine the half life of iodine-123 when mass of sample of iodine-123 decay…

Q: 1.What is the half-life of 99Tc if a 500.0 g sample decays to 62.5 g in 639,000 years 2)How much of…

A: Given,Mass 500 g,Therefore, the first half-life is 250.0g.Second half-life is 125.0g.Third half-life…

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A:

Q: Which radioactive isotope would take the least Radioactive isotope Half-life of time to become…

A: Radioactive disintegration of unstable nuclei is for attaining stability. Lower the half life, least…

Q: Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. How…

A: A numerical problem based on nuclear reactions that is to be accomplished.

Q: (Q114) A meteorite recovered from a meteor landing site in the Australian outback contains 0.438 g…

A: we have to calculate the age of meteorite

Q: Imagine you collected a volcanic rock while on vacation to Hawaii and you want to know how old it…

A: GIVEN: Amount of parent nuclei (U-234) = 4 micrograms Amount of daughter nuclei (Th- 230) = 124…

Q: Part A Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 3²P, how many grams will…

A: Part A. Half-life (t1/2) represents the amount of time at which the concentration of the radioactive…

Q: The radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is…

A:

Q: At the beginning of an experiment, a sclentist has 164 grams of radioactive goo. After 255 minutes,…

A: Given:Initial amount of goo, G∘= 164 gFinal amount of goo, G =5.125gtime, t =255m

Q: barium -131 is a radioisotope used to study bone formation. a patient ingested barium -133. how much…

A:

Q: Carbon-10 is an unstable isotope with an atomic mass of 10.016853 u. It undergoes beta-plus decay…

A: The total binding energy of an atom is the sum of energy that is emitted as the atom is created by…

Q: KC IM IN R Question 4 of 11, Step 2 of 3 4/15 Correct The half-life of radium-222 is approximately…

A: Answer: substance remain after 17 second: 2.932 g

Q: How much of a 0.230 g radioactive sample with a half-life of 8 hours would remain after a period of…

A:

Q: Cesium-137 is part of the nuclear waste produced by uranium-235 fission. The half-life of cesium-137…

A: A numerical problem based on nuclear reactions that is to be accomplished.

Q: Carbon-14 is used for archaeological carbon dating. Its half-life is 5,730 years. How many grams of…

A:

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

A:

Q: Interconverting amount of radiðãctive děcay and half life Tin-129 is radioactive and has a half life…

A:

Q: Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73 x 10³ years. How many…

A:

Q: 5. A tree falls in a forest. How many years must pass before the carbon-14 mass in the tree's carbon…

A: Suppose Initial amount = Ao Amount at time, t = 3.125% Ao  Half-life, t1/2 = 5570 years

Q: Iodine-131 is an important radioisotope of iodine that has a radioactive decay half-life and is…

A: Radioactive decay follows first order rate law, we can mathematically expressed it as At = Ao…

Q: Iodine-131 has a half-life of 8 days. How much of a 1000 mg sample would be left after 24 days?…

A:

Q: 0 Question 9 180pb has a half-life of 25.5 s. If a sample of this isotope is initially 750.0 g, what…

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.