The carbon from the heartwood of a giant sequoia tree gives 11 counts per minute per gram carbon (), whereas the wood from the outer portion of the tree gives 15 counts per minute per gram carbon (). How old is the tree?(t1/2 = 5730 years).

Q: How the specific activity of an isotope in an object is used to determine the object’s age

A: How the specific activity of an isotope in an object is used to determine the object’s age.

Q: Probably meant in the calculation that 20*10K+20=0.6, but how did you get that to be 20=6K+12?

A:

Q: The diameter of an iridium-191 nuclide is 9.2 femtometers (9.2 x 10-15 m). Using the estimate that…

A: Detail

Q: Calculate the nuclide mass and the density of (Li) nuclide, where the nucleon mass is (1.6…

A: Given data,Mass number of Li=7Mass of nucleon=1.6×10-27KgMass of number of Fe=56

Q: What is carbon dating? Explain your answer thoroughly.    P.S. Aboid handwritten work so I can…

A: Given  we know that about the carbon dating

Q: This exercise uses the ra A wooden artifact from 5730 years. Round your yr

A: Radioactive decay is the act of emitting radiation spontaneously. It is known as nuclear decay.…

Q: A discovery revealed a parchment fragment that had about 64% as much 14C radioactivity as does plant…

A: Answer: This question is based on the radioactive decay and all the radioactive decay reactions are…

Q: A sample from a fossil is burned in order to analyze it. As it burns, it re- leases 2.6 x 10-¹2 mg…

A: To determine the age of the fossil, we can use the concept of radioactive decay and the ratio of…

Q: What isotope is commonly used to determine thyroid activity and treat diseases of the thyroid?…

A: Radioisotopes are used in various field such as industrial areas, medical field etc. Like I-131 is…

Q: Q1: - Explain how you can carbon-date the age of a sample, and why is carbon dating unable to…

A: The carbon dating method can be used to determine the age of a sample. The age of carbon-based…

Q: Indium-116 is radioactive and has a half life of 14.10 seconds. How long would it take a sample to…

A: The half life   The initial amount  = 3.80 mgThe final amount  =2.10 mgTime required (t) = ?

Q: Complete the table for neutral atoms and/or ions. atomic number nuclide symbol 119. mass number #p*…

A: we have to find the missing values in the given table

Q: Part A ient wooden club is found that contains 71 g on and has an activity of 8.8 decays per…

A: Given data set,  Mass of carbon = 71 g Activity = 8.8 decay/sec Decay constant = ln 2/T = 0.693/5730…

Q: 3.11. The carbon from the heartwood of a giant sequoia tree gives 11 counts per minute per gram…

A: The half life value of 14C is 5730 years. Now determine its rate constant value.…

Q: How much does the mass and charge of a nucleus change when each type of radiation is emitted: (a) α…

A: Radioactive substance emitted the following particles Alpha particle  Beta particle Gamma radiation…

Q: 6. Scientists find a wooden spoon and they want to use carbon dating to figure out how old it is. If…

A: All natural and artificial radio active decays follows first order kinetics In case of first order…

Q: Which one of the following is an isotope of 151Eu? a. 151 Eu3+ b. 153 Eu c. 151 Eu2+ d. 151 Gd

A:

Q: Strontium-90 is radioactive and has a half life of 28.8 years. How long would it take a sample to…

A:

Q: Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission…

A: In a balanced nuclear reaction, number of protons and number of neutrons on either side of the…

Q: The ratio of carbon-14 to carbon-12 in a piece of wood discovered in a cave is R = 1/915. Estimate…

A:

Q: Which of the following isotopes would be the best choice for use with PET?

A: Introduction: PET ( Pistron Emission Tomography ) is a nuclear medicine imaging method , frequently…

Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 131 used…

A: As per statement,   86 microcuries required per gram of thyroid gland, so for 23g of thyroid gland =…

Q: The neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. Use the…

A: Given: neutron-induced fission of U-235 produces Ba-140 and Kr-93, along with 3 neutrons. And the…

Q: An unstable nucleus that has an atomic number that is much larger than 92 decay by emitting an alpha…

A: When an unstable atomic nucleus loses energy by radiation is known as radioactive decay.  Five types…

Q: What meaning of ( carbon- 11 )?

A: isotopes  : isotopes are having same atomic number but differ in atomic mass

Q: Radium-226 is radioactive and has a half life of 1600. years. How long would it take a sample to…

A: The emission of energy in the form of the ionizing radiation is called radio decay.This radiation…

Q: The emission of radiation is the radioisotopes losing energy. O True O False

A: Radioactive isotope, also called radioisotope, radionuclide, or radioactive nuclide, any of several…

Q: The 14C content of an ancient piece of wood was found to be one-seventh of that in living trees. How…

A:

Q: Initial Amount After Half-life (years) Isotope Оuantity 1000 Years 33. 226RA 1599 10 g 94. e 5715…

A: in radioactivity is defined as unstable nuclei is decay into stable nuclei and emits electromagnetic…

Q: Why is the isotope 36CI radioactive while 35CI and 37Cl are not? Elements with an number of protons…

A: Cl Isotopes of 36Cl is radioactive while 35Cl and 37Cl is not radioactive.

Q: Assuming a constant 14C/12C ratio of 13.6 counts per minute per gram of living matter, how old is a…

A:

Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 131| used…

A:

Q: what is the use of carbon dating method?

A: Carbon has three isotopes viz. C-12 (most abundant), C-13 and C-14.Out of these C-14 is radioactive…

Q: 12. Dinosaur fossils are too old to be reliably dated using carbon-14. (See Exercise 11.) Suppose we…

A: half-life of C-14 isotope, t1/2 =  5730 years Disintigration constant, λ = ln(2)t1/2 =…

Q: 13) The activity of a radioactive sample is the number of decay events per second. The Sl unit of…

A: 13. Given information,      1 Ci = 3.70 × 1010/s1 Ci = 106uCi1 Bq = 1/s

Q: A 0.500 g sample of rock was found to have 2.45 × 10-6 mol of potassium-40 (t1/2 = 1.3 × 109 yr) and…

A:

Q: Q1: It has been planned to use Thorium fuel (Th232) in a nuclear power station instead of Uranium…

A:

Q: 4 Iodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 131I…

A: Ci is the unit of activity where 1 Ci = 3.7*1010 Bq = 3.7*1010 dps = 3.7*1010 s-1  Half-life of…

Q: Which isotope in the list below is most likely to be used for medical purposes? O 222Rn, t/2= 3.8…

A: In the given isotopes there are almost all have there uses in their respective field. But one of…

Q: 23 Mg decays to 12 23 Na. Which of the following 11 The isotope processes can produce this change?…

A:

Q: What is the nuclear symbol for the missing nuclide? ● • Type "/" to create a fraction to get a…

A: Nuclear reaction is a process in which two nuclei, or a nucleus and an external subatomic particle…

Q: 32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 50.5 g of 3ºP, how…

A: Nuclear disintegration follows first order kinetics 0.693/t1/2 = [2.303 log (A0/A)]/t Where t1/2 =…