Carbon 14 is a pure beta emitter that decays to 14N. If the exact atomic masses of the parent and daughter are 14.007687 and 14.007520 atomic mass units, respectively, calculate the kinetic energy of the most energetic beta particle.

Q: An ancient club is found that contains 130 g of pure carbon and has an activity of 7 decays per…

A: The expression for the initial activity,

Q: Cesium-137 is radioactive and has a half life of 30. years. Calculate the activity of a 1.4 mg…

A: Given value--- half life time = 30 year . mass = 1.4 mg. We have to find---  Calculate the…

Q: λ =

A: Deacy of an unstable atom is defined by the radioactive decay law. It states that the probability…

Q: Determine the energy produced from the fission reaction of Uranium-235 and a neutron, which becomes…

A: Please see the attached image for the solution.  If there are queries or if the image is not…

Q: An archeologist discovers the bones of a person who appeared to have been dead a very long time.…

A: Half-life of radioactive element: = 5.73 x 103 y Activity of radio active element: A(t) = 0.259 Bq…

Q: A sample of radioactive material is obtained from a very old rock. The activity of the rock over a…

A: Given that: The equation of the activity of a radioactivity substance is A=A0e-λt The slope of the…

Q: The isotope cobalt-60 has a nuclear mass of 59.933820 u. Calculate the mass defect of cobalt-60…

A:

Q: A radioactive series consists of two different radioactive materials. One radioactive material with…

A: Given that: Decay constant of parent nucleus = k1  Decay constant of daughter nucleus = k2  y1(0)=a…

Q: In 1991, German tourists discovered the well-preserved remains of a man, now called “Ötzi the…

A: When scientists date a sample it is essential that the isotope which is used to date the sample…

Q: Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from…

A:

Q: An archeologist discovers the bones of a person believed to have been dead for 600 years. Using…

A: Half-life of radioactive element:  = 5.73 x 103 y Activity of radio active element: A(t) = 0.259 Bq…

Q: What is the binding energy required for the element Beryllium, which has an atomic mass of 9.01 u?…

A:

Q: Determine the number of neutrons in a bromine nucleus, which has a radius of approximately 5.36 ✕…

A: Given Data: The radius of a bromine nucleus is, R=5.36×10-15 m   The equation for the Nuclear…

Q: The isotope iron-56 has a nuclear mass of 55.9349375 u. Calculate the binding energy of iron-56…

A: Binding energy refers to the energy required to break apart a nucleus into its constituent nucleons…

Q: 6. The bismuth-209 nucleus has a binding energy per nucleon of 7.6154 MeV. (1 MeV is 1.60 × 10-13…

A:

Q: You measure the beta decay activity of an unknown substance to be 5306Bq. 48 hours later, the…

A:

Q: Cobalt-60 and iodine-131 are used in treatments for some types of cancer. Cobalt-60 decays with a…

A:

Q: 18F is an unstable isotope of fluorine (Z=9) that decays by beta plus emission (β+ decay) with a…

A: The solution can be given as follows :-

Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5730 yr)…

A: No. of atoms of any sample remaining after a time t is given as: N(t)=N0e-tλ The solution of this…

Q: The fission process in a reactor is represented by the equation below: U235    + n1    = La148+ Br85…

A: Given that: U235+n1=L148a+B85r+3n1M(U235)=235.124 amuM(L148a)=147.96 amuM(B85r)=84.938…

Q: The radioactive isotope (95Nb) has a half-life of 35 days. A sample containing this isotope has an…

A: Half life , T12 = 35 days =35 x 24 = 840 hours  Initial Activity , A0 = 4.5 x 108 Bq T1 = 36 hours…

Q: Write a nuclear equation for the type of decay each of these unstable isotopes is most likely to…

A: For the elements provided, they will undergo various decay modes Alpha decay, beta (minus) decay and…

Q: Technetium-99 is an unstable isotope. Given a half-life of 8.01 hours, what is the activity (in…

A: Determine the decay constant.

Q: Plutonium-239, recovered from dismantled atomic weapons, undergoes simultaneous alpha and gamma…

A: mass of plutonium waste = 80 kg half life of plutonium = 24000 years energy of emitted photon =…

Q: In 1991, two hikers in the Alps, between Italy and Austria, discovered the remains of a…

A: Half-life time of radioactive element is Activity is The rate of radioactive decay is Find:Time for…

Q: While Uranium-235 is commonly used in nuclear power plants, the isotope U-238 is more commonly found…

A: U-238 and U-235 are both isotopes of Uranium, one with mass number 238 and another with mass number…

Q: An 10 g sample of a radioactive element takes 5432.6 years to reduce into 1 g. Calculate the…

A: Radioactive decay takes place when an unstable nucleus becomes stable. The instability arises due to…

Q: A radioactive sample of 60Co (t1/2 = 5.271 y) has a β - activity of 4.4 x 107 Bq. How many grams of…

A: Given: A radioactive sample = 60Co (t1/2 = 5.271 y) β - activity =  4.4 x 107 Bq Need to find how…

Q: In 1991, two hikers in the Alps, between Italy and Austria, discovered the remains of a…

A:

Q: What is the binding energy per nucleon of an alpha particle? The nuclear mass of an alpha particle…

A:

Q: Natural uranium ore contains about 0.720% of the fissile uranium- 235 isotope. Suppose a sample of…

A: Given data: Natural uranium ore contains about 0.720% of the fissile uranium- 235 isotope and the…

Q: The half-life of iodine-131 (131I)(131I), an isotope used in the treatment of thyroid disorders, is…

A: Write the relation between decay constant to the half life.

Q: The radioactive isotope (183-Ta) has a half life of 5.11 days. A sample containing the isotope as an…

A: Given data: Half-life t12=5.11 days Initial activity R0=4.5×108Bq

Q: A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5 730 yr)…

A: Determine the number of carbon molecules per mole. Determine the initial number of atoms of C-14.

Q: What is the half-life in days of a radioactive sample with 4.9x10¹5 atoms and an activity of 6.5×108…

A:

Q: A sample of radium Ra (atomic mass-224.020 186 u. T1/2-3.66 days) contains No - 1.07 x 1021 nuclei…

A:

Q: While Uranium-235 is commonly used in nuclear power plants, the isotope U-238 is more commonly found…

A:

Q: Determine the half-life (in s) of a radioactive sample that contains 1.10 x 105 atoms of the…

A:

Q: Two radioactive waste products from nuclear reactors are strontium Sr (712= 29.1yr) and cesium Cs…

A:

Q: A heavy nucleus X of mass number 240 and binding energy per nucleon 7.6 MeV is split into two…

A: Given: The mass number of nucleus X is MX=240. The binding energy per nucleon of nucleus X is…