the year 2005, a picture supposedly painted by a famous artist some time after 1555 but before 1605 contains 95.8 percent of its carbon-

Q: What is nuclear medicine? Select one: a. Using unsealed radioactive isotopes in the patient's body…

A: Nuclear medicine is a specialized area of radiology that uses very small amounts of radioactive…

Q: 1. UPinuim is a radioactive material found in 1999 weighing 52.5g. What will be its weight in 2049?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Atree falls in a forest. How many years must pass before the carbon-14 mass in the tree’s carbon…

A: Suppose the carbon-14 mass in tree = n0  After few years the carbon-14 mass = n = 3.125100n0…

Q: Through nuclear fusion reaction, the Sun and stars produce energy. True or false?

A:

Q: Half-life is the period of time it takes for the amount of a radioactive substance to decrease by…

A: The time dilation equation is, τ=τ01-v2c2 Here, the total life is τ0,

Q: For questions 69-70, consider the following: Uranium (45°U) decays to lead (20 Pb) with a half-life…

A: Given data The half-life is given as t1/2 = 700 million years = 700 x 106 years The number of a lead…

Q: A sample from a meteorite that landed on Earth has been analyzed, and the result shows that out of…

A: N=N0e-λt→1 T12=ln2λ ⇒λ=ln2T12=0.6931.3×109=0.533×10-9years-1

Q: 24.) Consider cobalt-60 with a half-life of 5.25 years. How many years will it take for its activity…

A:

Q: A particular isotope has a​ half-life of 1700 years. If you start with 1 kilogram of this​ isotope,…

A:

Q: A sample of carbon-14 has been decaying for 22 920 years and is now 35,0 grams. (The half-life of…

A: Decay constant and half life are related as,  k=0.693t12

Q: The mass of 1H is 1.007825 u and the mass of 1n is 1.008665 u. The mass of 12C is 12.000000 u, of…

A: Given Mass of 1H = 1.007825 u Mass of 12C = 12.000000 u Mass of 13N = 13.005739 u Mass of 14N =…

Q: A sample of F-18 has an initial decay rate of 1.5 x 10/s. How long will it take for the decay rate…

A: Initial decay rate, A=2.5×103/s Final decay rate, A0=1.5×103m/s Half-life of F-18 = 1.83 hour

Q: The half-life of plutonium-239 is 24,300 years. If a nuclear bomb released 8 kg of this isotope, how…

A: The half-life of plutonium-239 is 24,300 years. If a nuclear bomb released 8 kg of this isotope, how…

Q: .    The half-life of Uranium-237 is 5.83 x 10^5 seconds. If you have a sample with 5.89 x 10^24…

A:

Q: Bananas contain 3.58 mg of potassium per gram. 0.0117% of natural potassium is the radioactive…

A: Most of the nuclei present in nature are unstable. That's why nuclear decay occurs. The Nucleus…

Q: What is "half-life"? Select one: a. The time needed for half of the radioactive atoms in a sample to…

A: Half-life is the duration of time needed for decay of the half of the radioactive atoms in a given…

Q: Source A has a half-life of 10 million years, and source B has a half-life of 5 million years. After…

A: Given information :- half life of source A = 10 million years half life of source B = 5 million…

Q: A radioactive isotope has a​ half-life of about 17 ​years, which means that if it starts with 1 kg…

A:

Q: The radioactive potassium-40 isotope decays to argon-40. A 2.97 x 10^9 year old sample of moon rock…

A: Since the potassium will remain 18% of the original value in 2.97x 109 year.                Now from…

Q: How is nuclear fusion different from the process of standard radio-active decay?

A: Radioactive decay: When the unstable heavy nucleus loses energy and form a stable nucleus. This…

Q: found in it is 92 percent of that in living tissue. Carbon-14 has a half life of 5730 years ?

A: We know :                      The age of the fossil is 690 years.

Q: What fraction of the 40K that was on Earth when it formed 4.5 X 109 years ago is left today?

A: Given data: Total time for formation of earth is, t=4.5×109 years. T

Q: The half-life of carbon 14 is 5730 years [ Hint: Use the formula N(t)= N0e^k1 Answer in…

A: Given, N(t1/2)=N02 t1/2 of Carbon 14=5730 years

Q: How does the electric force between a helium nucleus and a lithium nucleus placed a certain distance…

A:

Q: ACROSS 1- light nuclei fuse together to form to a heavier nucleus 2- subatomic particle with a…

A: Electrons and Protons are type of subatomic particle with a negative and positive charge…

Q: A piece of carbon-14 that originally had a mass of 2 kg is later found to have a mass of 1.75 kg…

A: Given: The initial mass of the sample is 2 kg. The final mass of the sample is 1.75 kg.

Q: A wooden boat discovered just south of the Great Pyramid in Egypt had a carbon-14 contains of…

A:

Q: Which of the following radiation sources are among "background radiation" to a population? (i)…

A:

Q: A fossil contains 4.06 grams of carbon 14. Refer to the formulaA(t) = C 0.999879twhich gives the…

A: According to the given equation, the amount of C-14 in the sample at t time is given in the…

Q: Based on stellar nucleosynthesis, which heavy element is formed from silicon fusion?

A: based on stellar nucleosynthesis, the helium burns to produce havier elements then continues for 1…

Q: Skeletal remains had lost 79% of the C-14 they originally contained.  Determine the approximate age…

A: The expression for the amount left after time t is,

Q: What kind of nuclear power is responsible for sunshine?

A: Reason for sunshine

Q: A certain radioactive isotope decays to one sixteenth of its original amount in 4.0 hours. What is…

A:

Q: Carbon-14 is radioactive while Carbon-12 is stable.  In your body, the ratio of C-14 to C-12 is for…

A: Half-life is the time taken for a radioactive material to reduce into half of its initial value.…

Q: The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree…

A:

Q: If a tree dies and the trunk remains undisturbed for 1.500 × 10⁴ years, what percentage of the…

A:

Q: Suppose that a gram of antimatter came into contact with a 10 grams of matter, the amount of mass to…

A: When antimatter and matter comes in contact with each other the annihilate each other. 1 gram of…

Q: One of the fossilized remains of the Taong Tabon you found contains 153 grams of Carbon-14 at time t…

A:

Q: The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree…

A: Given: half life  t1/2=5600 yearslet initial amount = Aofinal amount = 68% of Ao=0.68 Ao

Q: a cyclotron facility, 106 atoms of F-18 were created. The half-life of F-18 is 110 minutes. After…

A:

Q: iven that the half-life of carbon-14 is 5,730 years. Consider a sample of fossilized wood that when…

A: Law of radioactive decay is N=N0e-λt where N is the amount left after passage of time t…

Q: The initial amount of carbon-14 is 100 g and the amount of carbon-14 dropped to 1 g after decay…

A: Given, Initial mass (mo) =100g Final mass (m) = 1g half life (t1/2) =5730 years

Q: How many Hydrogen atoms have to be transformed by following nuclear reaction to produce an energy of…

A:

Q: How long is a microcentury in minutes? Note that 1 century is 100 years and 1 year is 365.25 days.

A:

Q: Carbon-14 is a radioactive element with a half-life of about 5730 years. Carbon-14 is said to decay…

A: The formula for the decay constant is: Substitute the known values and solve.