Research Institute, and ship to the chemical plant. It has a half-life of 8.06 days. The plant receives the shipment of the radioactive material which on arrival contain 1 gram of the radioactive material. The plant

Q: The radioactive decay of a sample containing an unknown radioactive isotope produced 6274…

A: Given Initial disintegration = 6274 Final disintegration = 1898 Time = 15.31 days

Q: Another way to produce gold is through the neutron bombardment of platinum-196. This reaction…

A:

Q: The half-life of the radioactive isotope 137Cs is 30.17 years. How long does one have to wait until…

A: To solve this problem we have to first calculate the rate constant of the reaction using half life…

Q: Carbon-14 undergoes nuclear decay and has a half-life of 5,730 years. How many moles will be left…

A: Given :-  initial amount of sample = 50 moles  half life (t½) = 5730 years  To calculate :-  amount…

Q: Radioactive iodine-131 is used in thyroid ablation treatments and has a half-life of 8 days. How…

A: t(1/2) = 8 daysN0 = 4.50 mgN = 0.56 mgtime(t) =?

Q: Use the References to access important values if needed for this question. The radioisotope…

A: The half period is -   t1/2 = 0.693/K Here - t1/2 = half life period of P -32 = 14.3 days K = rate…

Q: 1. The radioisotope A () spontaneously decays to form the radioisotope B (O), as shown below. t = 0…

A: For first box: No of A = 16  ;    No of B = 0 For Second box: No of A = 8   ;   No of B = 8 For…

Q: 5. Carbon-11, used in medical imaging, has a half-life of 20.4 min. The carbon-11 nuclides are…

A: Answer: Relation between quantity of radioactive substance and n number of half lives is shown…

Q: Potassium 40 has a half-life of 1.28 × 10⁹ years. K-40 decays to only Ar-40 which is stable. No…

A: Answer:Here:

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: NUCLEAR REACTIONS Zinc-62 decays with a half-life of 9.186 hours. 1. Write the balanced nuclear…

A: Answer: All nuclear reactions are first order reaction therefore integrated rate law of first order…

Q: The half-life of radioactive carbon ( 14C) is 5,370 years. If a sample of organic material contains…

A: Given that, The half-life of radioactive carbon ( 14C) is as given below --- t1/2 = 5,370 years The…

Q: After 50 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a…

A: Given, Initial mass of sample= 200g Half life= 10 years t= 50 years Since we know that K(decay…

Q: A chemical was accidentally leaked into a sack of chicken feeds. It was determined that the half…

A:

Q: A radioactive substance decays at a rate proportional to the amount present. If 45 percent of a…

A: Given :   Time (t) = 20 years  Percentage of substance decays = 45 %

Q: 19. Decomposition of Sucrose Reacting with water in an acidic solution at 35°C, sucrose (C12H22011)…

A: The decomposition of biomolecules follows first-order kinetics. The rate of the reaction is referred…

Q: If a quantity decreases by a factor of 8 every 30 years, what is its half-life?

A:

Q: 8) The half-life for the (first order) radioactive decay of "C is 5730 years. An archaeological…

A: Answer: Data given- half-life for radioactive decay  of 14C is 5730 yrs. 70% of the 14C found in…

Q: 6. A rock contains 0.257 mg of lead-206 for every milligram of uranium-238. The half-life for the…

A: Given, Half-life - 4.5 × 109 yr. 1 mg U-238 contains 0.257 mg of Pb-206.

Q: PLutonium-239, one of the radioactive by-products of nuclear power, represents a serious was…

A: Chemical kinetics is the study of the reaction that how fast or slow a reaction is taking place. The…

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

A: The half-life for the radioactive decay of rubidium-87 to strontium-87 t12 = 4.88 × 1010 years There…

Q: contains 1.6 mmol of C-14, how many millimoles will be left after 2245 year millimoles using two…

A: For first order Reaction,  k = 0.6931 / ( half life )  k = 0.6931 / 5730year  k = 0.000121 year-1

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: ) A human bone uncovered in a burial site in Majorca, Spain by a student working for the pollentia…

A: Given, Rate constant of decay of  of C-14, K=1.2094×10-4yr-1

Q: A substance has gone through 3 half lives. What percentage of the sample would remain?

A: Remaining % of sample can be calculated by      =     Original sample/ 2n assume original sample =…

Q: Vhich of the following is the half-life ( in days Jof a radioisotope if it decays to 10.5% of its…

A:

Q: After 100 years, 1/32 of the original amount of a substance remains. What is the substances half…

A: The half-life of a radioactive substance is the amount of time it takes for one-half of the…

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: The rate constant for the radioactive decay of indium-131 is 0.086 1/days. The percentage of…

A: Integrated rate equation for radio active decay :  k = 2.303tlogaoa  0.086  = 2.30335log100a  1.30 =…

Q: isotope of technetium (technetium-99m), has a half-life of 6 hours. A hospital has a sample which…

A: Half life = 6 hoursInitial amount of technetium-99m = 36 mgTime = 12 hours.

Q: If 32 g of such substance, the remaining amount be after 4 half-life is --- g 8. 16 O 2

A: Radioactivity Decay is a process in which an unstable nuclei looses energy by radiation. A material…

Q: 8. A radioisotope is going to be used in an experiment. At the end of 10 days, only 5% is to be…

A:

Q: A 50.0 mg sample of an unknown radioactive substance was placed in storage and its mass measured…

A:

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

A:

Q: A certain drug has a half-life in the body of 5.5 h. What should the interval between doses be, if…

A: First of all we calculate the rate constant by using half life of the Reaction. And then by help of…

Q: In a living organism, the decay of C-14 produces 15.3 disintegrations per minute per gram of carbon.…

A: The disintegrations per minute of the sample should be: 2.7g × 15.3 disintegrations1 g × 1min =…

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.