K is 3.30 x 10^-2. If the original amount of lead-210 in a sample is 70.8 mg, how much lead -210 remains after 20.6 years have passed

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

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

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

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Q: The half-life of 218Po is 3.1 minutes. How much of a 146 gram sample remains after 0.40 hours? 130…

A: Since the decay reactions are first order reactions And we know that the relationship between the…

Q: Phosporus-32 is used in biochemical studies to follow the pathway taken by metabolites. Its…

A: The question is based on the concept of chemical kinetics.   All radioactive decay follow first…

Q: Cesium – 137 has a half life of 30 years. How much of a 100 mg sample is left after 120 years?

A: A numerical problem based on half-life period, which is to be accomplished.

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

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Q: What particle completes this reaction

A: Radioactive elements emit continuous radiation and undergo radioactive decay. There is harmful…

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: What is the ½-life of a radioisotope if it decays to one eighth of its radioactivity in 66.0 years?…

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

A: Given: The half-life of the radioactive decay of carbon-14 to nitrogen-14 = 5.73×103 years There is…

Q: 253Einsteinium reacts with alpha particles, 2He 4. What new element is synthesized? Show solutions.

A: Balanced nuclear equation is the equation in which the sum of subscripts as well as sum of…

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

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

A: Given information:Initial concentration = 1.6 mgFinal concentration = 0.2 mgTime = 45.0 hours

Q: How long will it take 70 grams of cobalt-60 to decay to 17.5 grams

A: Given: Initial amount=70 g Final amount=17.5 g Half life=5.3 years Formula used: t12=ln 2r A=A0ert

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: 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: How long for Ce-144 (half-life: 280 days) to decay down to 0.50% of its original amount?   2,100…

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Q: A current 1.00-g sample of carbon shows 921 disintegrations per hour. If 1.00 g of charcoal from an…

A: Given the initial activity of C-14, Ao = 921 disintegration/hour or 921 dph Current activity of the…

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: If we start with 2.000 g of strontium-90,  1.906 g  will remain after  2.00 years. (a)   What is…

A: We know that,  →Radioactivity phenomena follow first owen kineticsso, Rate=K A1 K→Rate constant By…

Q: The half-life of Plutonium-241 is 9 years. How much of an initial 190 g sample will remain after 31…

A: The half-life of Plutonium-241, t1/2 = 9 years Initial mass of Plutonium-241, No = 190 g time…

Q: half-life

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Q: Element X has a half-life of 6 hours. How much of X remains from a 64kg sample after one day?

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Q: How much phosphorus-32 remains from a 1.00 gram sample after three half-lives?

A: Given :  initial amount of sample i.e. ao = 1.00 g  To calculate :  amount of sample left after 3…

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: 2. The population of a country doubles in 50 years. HOW Imany juut habitants. 3. Radium decomposes…

A: Amount of radium is decomposing with respect to time and is proportional to amount present. Half of…

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: Corrected True/False: Indicate whether each statement is true or false by circling the word true or…

A: In a potential energy diagram ,the activated complex is at a maximum potential energy for the system…

Q: K is 3.30 x 10^-2 years ^-1. If the original amount of lead -210 in a sample is 49.4 mg, how much…

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

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Q: The radioactive isotope phosphorus-32 is often used in biochemical research. Its half-life is 14.28…

A: Given: The half-life of phosphorus-32 is 14.28 days. The mass of sample of K332PO4 is 118 mg.

Q: 5. TI-201 can be used to assess the damage to the heart muscle in a person who has suffered a heart…

A:

Q: The half-life of Radium-226 is 13 years. How much of an initial 179 g sample will remain after 36…

A: Radio active reactions are first order reactions. Decay constant (k) = 0.693 / t1/2 Where, t1/2 =…

Q: Nitrogen -13 has a half-life of 10 minutes .What amount of a 16 mg sample would remain after 30…

A: Nitrogen-13 has a half-life of 10 minutes. How much of a 16 mg sample would remain after 30 minutes.…

Q: In order for a reaction to occur, all of the following must be true except: O the reacting particles…

A: Applying concept of activation theory for chemical reaction.

Q: Cobalt-60, used in cancer therapy, decays by beta and gamma emission. The decay constant is 4.18 x…

A: Expression for half-life period of radioactive element is given as, t1/2=ln2λλ-Radio active decay…

Q: Jania.20 Chapter 3 3.100 When 1.0 9 of gasoline burns, it releases gasoline 0.749/ML SI (3.4.3.6) A)…

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Q: The isotope 9038Sr3890Sr is one of the extremely hazardous species in the residues from nuclear…

A: Radio-active decay follows first order kinetics. The expression for rate constant : Half life is…

Q: ( in Hours) will it take to disintegrate 3.17 x1017 atoms from a 12.0 mCi ( millicuri

A: One of the common unit in which the rate of disintegration is expressed is Curie.1…

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

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Q: How old in years is a bottle of a solution if the deuterium 2H content is 67% that of a new wine?…

A: The age of wine can be calculated using the formula. λ = (2.303/t) log (No/N). λ = 0.693 /T50…

Q: Dinitrogen trioxide, N2O3, is largely dissociated into NO and NO2 in the gas phase where there…

A: In equilibrium, the forward reaction rate and the backward reaction rate both must be equal.

Q: a kilogram of uranium-238 decays until about 1/8th of a kilogram remains. this process took about:…

A:

Q: A radioactive sample has a decay constant of 1.32 x 10-3 h-1. What is its half life?

A: Radioactivity is a first order kinetics. Relation for decay constant ( λ) and t1/2 relation for…

Q: . Americium-241 is a radioactive isotope used in household smoke detectors. It decays by alpha…

A: Americium- 241 is a isotopes of americium and half life is 432.3 years.

Q: left

A: carbon dating, the age can be determined by measuring the

Q: Radium decomposes at a rate proportional to its quantity present. Suppose that it is found that in…

A: Radioactive substances show disintegration by following first order kinetics.

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.