What is the activity of a sample of C that contains 5.3x1020 nuclei? The half-life of C is 5700 years. Express your answer using two significant figures. ? ΔΝ decays/s %3D Δι

Q: A rock recovered from far underground is found to contain 0.88 mg of 238 U, 0.15 mg of 206Pb, and…

A: Given that, A rock found underground contains: amount of U238=0.88 mgamount of P206b=0.15 mgamount…

Q: You have a 5.2 mol pure sample of an unknown material. After 1.2 h, you discover that 56% has…

A: Given that                    The initial number of the moles of the sample is No = 5.2mol Since…

Q: A 44.5 g sample of carbon has an activity of 8.55 decays per second. How old is it? Please give your…

A: Given data The mass of the sample of carbon is given as m = 44.5 kg.  The number of decays is given…

Q: Madame Curie filled glass vials with pure radon, produced by her radium, for use in hospitals. Radon…

A: Let us analyse the question in step 2.

Q: Consider the nuclei Sn with an atomic number of 50 and mass number is 118 . Determine its mass…

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Q: If the parent nucleus in a ß* decay is CI, what is the daughter nucleus? 17 Help chemPad XX Greek:…

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Q: The half-life of 131I is 8.04 days. c) Convert 0.550 ?Ci to the SI unit the becquerel. (d) Find…

A: c) one curie is 3.7 x 1010Bq converting 0.05 micro curie we get, 0.05 μCi = 0.05 x 10-6 x 3.7 x…

Q: A radioactive decay series begins with 233Thinvolves the emission in turns of the following: 2 alpha…

A: Since, mass number of a alpha particle is 4 and and that of beta particle is zero. Total two alpha…

Q: %3D Given: m° Find: m 2. A fission reaction in the release of a treme how much was is the I Given:

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Q: A 0.01 cm thick gold plate is bombarded for 10 minutes with a thermal neutron beam with a flux of…

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Q: A nucleus of ²³⁶U undergoes fission and splits into two fragments ¹⁴⁰Xe and ⁹⁶Sr. Assume that all…

A: We know: The sphere must be touching when the potential energy is the maximum. The number of protons…

Q: The half life of 238 U against a-decay is 92 238 U having 92 1.5 x 10 s. What is the activity of a…

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Q: A sample of radioisotope has a decay constant of 9.978x107 s1 and prepared with an initial activity…

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Q: Help.answer.explain A nucleus of Th-231 undergoes beta decay. Write the equation that explains this.

A: A nucleus of Th-231 undergoes beta decay. To write the equation of beta decay.

Q: For a fission reaction, 1.92 x 1016 J of energy is released. What is the mass defect in kg?

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Q: Question 10 of 22 Radium (A = 226, Z=88) decays to Radon (A = 222, Z=86) with a half-life of 1600…

A: in this  question  we discuss  about decay of radioactive substances.

Q: A certain amount of a sample of 96X has an activity of 0.1084 μCi. In 24.2 days, the activity of the…

A: Given, A certain amount of a sample of 96X has an activity of 0.1084 μCi. In 24.2 days, the activity…

Q: purchased by a medical supply house. If the sample has a half-life of 14 d, how long will it keep…

A: Just replace the values .... An its done

Q: B) Calculate the average nuclear binding energy of 13AL nucleus, knowing that the mass defect of…

A: Given data: The mass defect of A1328lnucleus, ∆m=0.24136 a.m.u. 1 a.m.u=1.6605×10-27 kg. 1…

Q: Please don't provide  handwritten solution...

A: The half-life of the isotope is given in hours and minutes. We need to convert this into seconds for…

Q: The nucleus16 B(Z=5)has not been detected in nuclear reaction studies. Explain why. (Please type…

A: Nucleus of 16 B ( Z = 5 )

Q: You measure the decay rate of a radioactive sample to be 4.225 x 101 Bq. After 139 seconds, the…

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Q: Part A A sample of U (T1 = 1.59 × 10° yr) contains 6.10 x 1018 nuclei. Part B Approximately how many…

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Q: Q41. A radioactive source has a half-life of 20 days. Calculate the activity of the source after 70…

A: Radioactive elements emit radiation of different types. With time the amount of the radioactive…

Q: Uranium-235 (2U) undergoes a series of alpha and beta decays in this succession: a, 2B, 5a, 2B, and…

A: Alpha Decay Alpha particle contains two protons and two neutrons, after an alpha emission the parent…

Q: A nuclei has a half-life of 2.80 days. If 122 mCi were prepared but had a delay of 8.0 days. How…

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Q: The rate of spontaneous fi ssion in 238U is 6.7 decays per second for each kg of uranium present.…

A: Given,rate of  spontaneous fission in 238U R= 6.7 decays per second

Q: An ancient artifact is found to contain 240 g of carbon and has an activity of 479 decays/min. ▬…

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Q: The half life of 60CO is 5.7 years. Find the activity of 3.54 milligram of 60Co. Give your answer in…

A: Answer is (1.37 x 1011  )decay /second (Bq). Explanation is in next step.

Q: 74 74 33As disintegrates to 32Ge in 68% of the cases, and to 34Se otherwise. T₁ for the 2 parent…

A: Radioactive decay: The spontaneous process in which the unstable radioactive nuclei disintegrate…

Q: The half-life of 27Mg is 9.50 min. initially there were 3.70× 1012 27Mg nuclei present. How many…

A: Given: The half-life of 27Mg t1/2 = 9.50 min At t=0, the number of nuclei of 27Mg, N0 = 3.70× 1012…

Q: 3) Fill the missing and decide the type of decay in the following decays: 60 60 a) Co* → []+ 29 Co…

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Q: A piece of charcoal used for cooking is found at the remains of an ancient campsite. A 1.19 kg…

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Q: As a staff scientist at a nuclear power plant, it is your job to understand radioactive substances…

A: Here we use law of radioactive decay to find the answer

Q: Determine the nucleus density (in kg/m3) of the following four isotopes. 4He (m = 4.00260325415 u)…

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Q: What is the activity of a sample of C that contains 6.7x1020 nuclei? The half-life of C is 5700…

A: Solution:In 5700 years 6.5 × 10202 nuclei decay will take place, thus we have:5700 yrs =…

Q: 0.1 mg of pure 23ºPu (emitting Alpha particles) was found to decay with an activity of 1.38 x 107…

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Q: A wood artifact discovered in 1990 showed a 14C-activity equivalent to 43% of that found in the…

A: Given : Half life of C-14, t1/2 = 5730 years Let initial count of C-14 be N = 100 The count of C-14…

Q: 1) If the activity of a purely radioactive sample of 55Fe is measured to be 0.5 mCi. What is the…

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