[Review Toplcs] [References) Use the References to access important values if needed for this question. Carbon-14 is used in radiocarbon dating. The half-life of carbon-14 is 5.73 × 10º years. If you begin with 50.6 milligrams of carbon-14, how many milligrams will you have left after 2.29 × 10* years have passed? mg

Q: The radioactive substance cesium-137 has a half-life of 30 years. The amount A (t) (in grams) of a…

A: Given Time = 100 years

Q: UCLEAR REACTIONS (10 PTS) 1. In an alternate universe where it is safe to consume radioactive…

A: Radioactive decay is a first order reaction. Note: According to Q&A guidelines of Bartleby, we…

Q: Please use the välues ih ne textboOK values. 120 120 A 1.00x10-6 g sample of cesium-120, "55 Cs, has…

A:

Q: The first-order decay of radon has a half-life of 3.823 days.  How many grams of radon remain after…

A: Ans

Q: The amount of ",C still present at any time in the tree may be denoted as N and No, is the initial…

A:

Q: The half-life of a decaying radioactive isotope is the time it takes for half of the original mass…

A: Here we are required to find the half life of the radio isotope

Q: The isotope nickel-63 has a half-life of 100 years. If a tested sample has five grams of nickel-63…

A:

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

A: The half life is given as 5730 years Average Decay per Second = 10

Q: Technetium-99m is a metastable nuclide used in numerouscancer diagnostic and treatment programs. It…

A: a) Given: Rate constant, k can be calculated using the given equation as follows,

Q: tled Section 46. The carbon-14 content of an ancient piece of wood was found to be one- sixteenth of…

A: we know Radioactive decay constant (K)= 0.693t1/2Given ,t1/2 = 5730 yearNow ,  K= 0.6935730…

Q: The half-life of element X is 20 days. How much of an 80 g sample remains after 80 days?

A: Given :  Half life of element = 20 days  Initial amount of sample = 80 g  To calculate :  Amount of…

Q: In living organisms, C-14 atoms disintegrate at a rate of 15.3 atoms per minute per gram of carbon.…

A:

Q: In 1954 researchers found an ancient Egyptian ship that was buried near the Pyramids approximately…

A: Given The half-life period for 14C = 5730 y = 1.8 x 1011 sec. Molar mass of 14C = 14 g/mol NA =…

Q: Carbon dating can be applied to organic materials up to 5.0 × 104 years old. What percentage of the…

A:

Q: Suppose the amount of a certain radioactive substance in a sample decays from 6.70 mg to 700. µg…

A:

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

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

A:

Q: A skull believed to belong to an ancient human being has a carbon-14 decay rate of 6.50 dis/min.g of…

A: Radioactive disintegration follows first order reaction and decay rate equation can expressed as,…

Q: Using applications of Differential Equations. The half-life of carbon 14 is 5730 years. It takes…

A: The correct option is (d) Half life of carbon-14 is is 5730 as it is clearly given in question.

Q: A certain isotope has a half-life of 2.00 days. How much of a 4.00g sample of this isotope will…

A: Since the decay reactions are first order reactions Hence we can say  1) Half life = ln(2) / K 2)…

Q: How much of a 500 g isotope sample is left after 62 hours if the lag life is 6.2 hours?

A: Given data: Time (t) = 62 hours Amount of isotope (A0) = 500 g Half life = 6.2 hours Formulas: t1/2…

Q: A radioisotope “X” has a half-life of 2.5 years. Determine (to the nearest 0.1 mg) how much of a…

A: All the radioactive reactions follow first order kinetics . The term half life is defined as the…

Q: 1. Substance Q initially weighs 56 grams. After 6 minutes, it was observed that its mass decreased…

A:

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

A:

Q: A sample initially contains 300 µg of 32Si (31.97415 amu), which decays with a half-life of 160…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Suppose the amount of a certain radioactive substance in a sample decays from 6.50 mg to 2.40 mg…

A: Radioactive decay is a first-order reaction. On applying the value for rate constant k, we find it…

Q: The half-life of carbon-14 is 5,730 years. Write the exponential decay function and find k. If the…

A: Half life:It is represented by the symbol t1/2. It was discovered by Rutherford. It is defined as…

Q: In living organisms, C-14 atoms disintegrate at a rate of 15.3 atoms per minute per gram of carbon.…

A: Answer is explained below. Given that, in living organisms C-14 atoms disintigrate at a rate of 15.3…

Q: A breeder reactor converts relatively stable uranium 238 into the isotope plu- tonium 239. After 15…

A:

Q: alues if needed for this question. grams in 1.80 seconds, what is the half-life of magnesium-20?

A: In this question we want to calculate the half life. Half life is a time where Concentration of…

Q: chemist determines that a sample of petrified wood has a decay rate of 6.00 counts/minute-gram. What…

A:

Q: A sample contains 4.00 milligrams of Fe-55. How many milligrams of Fe-55 will remain after 10.00…

A: Recall the following expression to determine remaining amount of Fe-55 after 10.00 yrs Remaining…

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

A: Radioactive decay is always a first order reaction. According to the first order radioactive decay…

Q: . A radioactive parent isotope with 600 atoms. After the decay, 450 daughter atoms were produced.…

A:

Q: A radioactive of an unknown element is an extremely hazardous species. If a 79 gram sample of the…

A: Given: Initial amount, a=79 g The final amount, a-x=37 Time =37.9 yr Rate constant=? half-life =?

Q: A 53.8-mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0…

A: radioactive nuclie undergo sponteneous decay reaction to produce stable products. The time for the…

Q: Carbon-14 dating is used to find the age of ancient objects. The half-life of Carbon-14 is 5730…

A: Given : Half life of Carbon-14 = 5730 years  And the piece of clay pot has undergone 1.5 half lives.…

Q: he​ half-life of the radioactive element unobtanium-37 is 5 seconds. If 32 grams of unobtanium-37…

A:

Q: Some watch dials are coated with a phosphor, like ZnS, and a polymer in which some of the 1 H atoms…

A: Given, The half-life of the tritium is t1/2=12.3 yr. Time t is 50 yr. The rate constant can be…

Q: very unstable francium-221 is produced. Giver f-life of francium-221 is only 5.00 minutes, if th…

A: Given,  Half life time (t1/2) = 5.00 minutes Decay constant (k) = 0.693/5.00     =  0.1386 min-1…

Q: The half life of Pa-234 is 6.75 hours. What fraction of a sample of this isotope remains after 27…

A: The half-life period of radioactive elements can be expressed as: λ=0.693t1/2

Q: Carbon dating can be applied to organic materials up to 5.0 x 10* years old. What percentage of the…

A: Half life is 5730 year . It is given that we want to measure 50000 year .  So time of half life to…

Q: 1) P-32 has a half-life of 14.3 days. How many milligrams of phosphorus-32 remain after 57.2 days if…

A: Half-life = 14.3days Initial mass = 4.0mg You will be left with half of initial mass after 14.3 days…

Q: The half-life of "Sris 28 years. How long will it take for a given sample of "Sr to be 63%…

A:

Q: 8.0mg of a radioisotope of half-life 30 minutes is used for 12 minutes. What is the amount of the…

A:

Q: It takes 6400 years for one gram of a radioactive element to decay away to only 1/16 of a gram. The…

A: Given time = 6400 years M/M० = 1/16

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.