some mammoth bones found in Arizona were found by Carbon-14 dating to be 1.113 x 1014 years old. What have been the activity of the Carbon-14 in the bones in disintegrations per minute per gram? Assume the original activity was 15.3 disintegrations per minute per gram.

Q: An animal skeleton has a carbon-14 decay rate of 11.1 disintegrations per minute per gram of carbon.…

A: given: carbon-14 has a half-life = 5730 yrs  carbon-14 decay rate = 11.1 disintegrations carbon-14…

Q: A dinosaur remain has a C-14 isotope and has a half-life of 5,715 years. The activity of this is…

A:

Q: 2) What is the activity of a 1 gram sample of 1? (t12 = 3.38 x 10' seconds)

A:

Q: Uranium is radioactive and decays into lead.  This process can be used to date rocks.  A piece of…

A: This problem is based on nuclear chemistry. We know radioactive decay follows first order chemical…

Q: The carbon-14 activity of an artifact from a burial site was 9.2 min'gl. The half-life of carbon-14…

A: The C-14 decay reactions are first order reactions. Since we know that the relationship between the…

Q: A 61 −kg−kg person is accidentally exposed for 224 ss to a 17 −mCi−mCi source of beta radiation…

A: Interpretation: A 61-kg person is accidentally exposed for 224 s to a 17 −mCi source of beta…

Q: The carbon-14 activity in papyrus growing along the Nile River today is 231 decay events per…

A: Given data,Initial activity of C-14=231 decay events/KgFinal activity of C-14=140 decay…

Q: O 137 yrs O 173 yrs O 371 yrs O 317 yrs

A:

Q: One of the radioactive isotopes used in medical treatment or analysis is iron-59. The half-life of…

A: Radioactive decay obeys first order decay kinetics   At=Aoe0.693t12×twhereAt= final activityAo=…

Q: If the half-life of a parent material is 10 Ma, and about 88% (rounded) has decayed to daughter…

A:

Q: A sample of rock was found to contain 8.3 mg potassium-41 and 0.48 mg of cacium-41. Calculate the…

A: GivenHalf Life of potassium = 4.1×10^10 yrsSample of rock contains 8.3mg of potassium+ 0.48mg of…

Q: An old piece of wood has a carbon-14 content of 0.0156 times that 14 is the age of the old wood if…

A: We will use first order kinetics formula

Q: The remains of an ancient cave were unearthed. Analysis from charcoal in the cave gave 12.0…

A: Radioactive decay is the process where the unstable nuclei break down into stable ones by emitting…

Q: a wooden object from the site of an ancient temple has a carbon-14 activity of 10 counts/min…

A:

Q: 40K decays to 40Ar with a half life of 1.27x10^9 years. What is the age of a rock in which the…

A: Recall the expression of remaining amount due to radioactive disintegration Remaining amountA=A∘2nSo…

Q: A sample of gas from a basement containing radon-222 has an activity of 7 pCi/L, which is above the…

A:

Q: Gallium-67 is used in nuclear medicine. After treatment, a patient's blood shows an activity of…

A: The objective of this question is to determine the time it will take for the activity of Gallium-67…

Q: 1. A sample of a funeral shroud taken from an ancient Egyptian tomb is found to have C-14 activity…

A: Carbon-14, or C-14, is a type of carbon found in living things. When a living organism dies, the…

Q: Phosporous-32 half-life is 14.3 days. A vial containing 10ug of P-32 is accidentally spilled into a…

A:

Q: A mixed thorium decay product sample is separated into elements, yielding a 1.19mg sample of…

A: Actinium-225 is a radioactive substance with a half-life, t1/2 of 9.20 days. t1/2 = 9.20 days * 24…

Q: A wooden artifact is found in an ancient tomb. Its carbon-14   activity is measured to be 61.0% of…

A: Activity of carbon-14 = 0.61 R/Ro = 0.61 We will use the below equation for decay process- R=…

Q: radioactive material initially is observed to have an activity of 8000 decays/sec. If twelve hours…

A: Radioactive decay follow first order kinetics. For first order reaction:  Kt = ln(A0/At) K = Rate…

Q: Find the activity of a sample containing 1.51 x 10-6 g of  6027(Co) (T1/2 = 5.27 years).

A:

Q: Nickel-63

A: Given, Half life = 92.0 yr Initial moles = 1.250  Time t = ?

Q: Bromine-80 has a mass defect that is equal to -1.15x10⁻⁷ kg. Determine the binding energy per…

A: Mass defect of Bromine= - 1.15×10-7 Now, Binding energy per nucleon is given by, ∆E = ∆mc2

Q: An archeological sample was predicted to be 9,415 years old. If the C-14 measured at present in the…

A:

Q: Normal No Spacing Head 三三。 Paragraph Styles 22. A normal adult jawbone contains 200 mg of Carbon-14…

A:

Q: initial activity of C-14 is 14.2 disintegrations/min/g 2.97 disintegrations/min/g mammoth live? of…

A: Answer: Radioactive decay is a first order reaction, therefore integrated rate law for first order…

Q: Some mammoth bones found in Arizona were found by carbon-14 dating to be 1.13x104 years old. What…

A: Given: Original activity = 15.3 disintegrations per minute per gram. Age of bones = 1.13 × 104…

Q: 11047Ag → 0.je + 110 48Cd For the nuclear reaction Starting with 200. g of Ag-110 in a container,…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the…

Q: ow level waste from a biomedical laboratory consists of a mixture of 100mCi 1311 and 10mCi 1251.…

A: The main purpose of this question is to calculate the total energy released over a period of 365…

Q: initial activity of the sa

A:

Q: A sample of niobium contains 2.50 micrograms of Nb-95.  Determine the activity of the sample in…

A: Interpretation -  To determine the activity of the sample in millicuries when a sample of niobium…

Q: Some mammoth bones found in Arizona were found by carbon-14 dating to be 1.13 x 10 4 y old. What…

A: The formula for decay of radioactive material is Nt = No (1/2)t/t1/2 where, Nt = number of…

Q: What is the half-life of iron-55 if 5.93 years are required for the activity of a sample of iron-55…

A:

Q: Potassium-40 decays to argon-40 with a half-life of1.27x109 yr. What is the age of a rock in which…

A: Half-life: It is defined as the time required for a quantity to reduce half of its initial value.…

Q: How old is a rock that contains 0.065 g of uranium-238 (t₁/2 = 4.5 x 10⁹ years) and 0.023 g of…

A:

Q: A wooden artifact is burned and found to contain 21g of carbon. the 14c activity of the sample is…

A: The half-life of a reaction is the time taken for the reactant to reduce to half its initial value…

Q: a. Write the balanced nuclear equation for the alpha decay of Neodymium-144. Write the atomic…

A:

Q: A 1.800 gram sample of carbon taken from an artifact found in cave has a carbon-14 activity of 10.80…

A: Sample of carbon wt = 1.800 gmThe sample of carbon has activity =10.8 decays/min.The activity of…

Q: 238 92 U → ? +34Th Balanced equation: ОА. а-decay ов в decay OC. Fission OD. Fusion OE. Other

A:

Q: ome mammoth bones found in Arizona were found by carbon-14 dating to be 1.13 x 104 y old. What must…

A: The age of the sample follows first order kinetics. This method is known as carbon dating. First…

Q: 5. A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea…

A: