If an element has a half life of 12 years, how many years must elapse until 87.5% of the original material has decayed? Group of answer choices 24 yrs 12 yrs 60 yrs 48 yrs 6 yrs

Q: 1. The decay of radioactive substance is given by 7 N = Noe (1), where N is the number of atoms…

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Q: The half-life of radium-226 is 1600 years. Suppose we have a 55 mg sample. Find a function that…

A: Write the expression for the radioactive decay model for the function that models the mass m(t)…

Q: ults vary with the amount of the sample. The decay constant represents a percentage of the sample…

A: Decay constant, proportionality between the size of a population of radioactive atoms and the rate…

Q: The half life for the decay of carbon-14 is 5.73*10^3 years. Suppose the activity due to the…

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Q: if you started with a parent isotope with 100% of its atoms and its half-life is 10 years. What is…

A: Given. t/T = 2 N(t) = No(1/2)t/T

Q: archaeologist sometime in the future analyzes the iron used in an old building. The iron contains…

A: half life of Ni -63  t/2 = 92 years LET x half life passed (N0 /2)X =( N0 / 128 ) = (N0 /2)7  X = 7…

Q: The half life for the decay of carbon-14 is 5.73*10^3 years. Suppose the activity due to the…

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Q: 3. Decay of a radioactive material takes place according to the data given in Table 2. Find the…

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Q: Part 2: Rubidium-Strontium dating A geologist finds an old rock and wants to determine its age using…

A: Approach to solving the question: The formula for the radioactive decay of strontium-87 (87Sr) from…

Q: The half-life of a particular element is 330 days. What is its decay constant?

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Q: A certain radioactive element has a half life of 3 hours.  How many hours would pass during 4…

A: Half life for a radioactive material is the time taken by the material to radiate to it's half…

Q: 1. The decay of radioactive substance is given by -t T N = Nᵒe (1), where N is the number of atoms…

A: You are using incorrect symbol for Tau (decay constant).

Q: A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This…

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Q: Radioactive substances follow a specific law of decay. Namely, if you have a sample of some…

A: The given problem is based on radioactive decay and half life.  The given equation is 128

Q: Carbon is one of the fundamental elements in everything that's alive on Earth. The three naturally…

A: Carbon has generally three isotopes found in nature. Isotopes are those which have the same proton…

Q: The half-life of a radioactive isotope is known to be exactly 1 h. a) What fraction of a sample…

A: Given in question - Half-life (T) = 1 hour Solution: Step1 - Here we will understand the concept…

Q: The decay of radioactive substance is given by N = Noe (1), where N is the number of atoms present…

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Q: Radon-220 has a half-life of 55.6 seconds. What are the odds that any particular Radon-220 atom will…

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Q: An ancient club is found that contains 140 g of pure carbon and has an activity of 4 decays per…

A: Given Mass of carbon in ancient club = 140 gm Carbon activity = 4 decays /sec Living trees ratio of…

Q: Supposed that a radioactive substance has decayed until only of 1/8 of it remains. How many…

A: let initial number of Nucleons= N0 remaining number of Nucleons= N =N08

Q: C has a half life of 5,730 years. How many 6C atoms would you need in order to measure an average of…

A: Here given the half life of 14C is 5730 year. There is an average decay of 10 decay per sec. We have…

Q: A radioactive substance has a half life of 15 minutes. How much of a sample of this substancewill…

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Q: Half life of a radioactive isotope is 4x108 years. If there are 10³ radioactive nudei in a sample…

A: Given : Half life of the radioactive isotope, t1/2 = 4×108 years Current number of radioactive…

Q: nuclear/ radioactive decay may be best expressed as Group of answer choices N = No e-1/λλt No = N…

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Q: Consider a small pot with a copper base. The base has a thickness of 2.0 mm and a diameter of 15 cm.…

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Q: A sample of hypothetical element X decays by positron emission and has a half-life of 79 years.  How…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.