How old is this Martian Rock that is found to be containing 12.5% of a radioactive parent nucleus? The half-life of this isotope is 1 billion years old. a. 5 billion years b. 12 billion years c. 3 billion years d. 10 billion years

Q: Carbon-14 decays into Nitrogen-14 emitting β particles and has a half-life of 5,730 years. This is…

A: The Radioactive decay follows the first-order kinetics. In this, the rate of decay is proportional…

Q: Define radioactive half-life

A: Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation. A…

Q: A hypothetical radioactive isotope has a half life of 10 minutes. If you start with 100 grams of…

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Q: The half-life of Carbon-13 is 5750 years. Samples taken at an excavation site show that a…

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Q: 3. What is Nuclear Fusion?  4. What is Nuclear Fission?

A: Nuclear fission and nuclear fusion are two types of nuclear reactions.

Q: The half-life of 60 Co is 5.27 years. The activity of an 60 Co sample is 3.70x10° Bq . You may want…

A: The disintegration constant is given by  λ =0.693T where, T is the half life.

Q: 1. What is the significance of the slope from the second graph of the natural logarithm vs time? -At…

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Q: What are beneficial applications of radiation? Select two that apply. 1.Radioactive nuclides are…

A: Radiation is the electromagnetic waves that do not need any material medium to travel. Radioactive…

Q: A sample from human remains found near Stonehenge in England shows that 71.2% of the carbon-14 still…

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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: 1. The half-life of cobalt-60 is 5.3 years. If 4.0g of cobalt-60 are allowed to decay for 21.2…

A: Given Half life t12 = 5.3 years, Initial amount N0 = 4 gram 1(a)  now from formula         N =…

Q: A) How much mass is left in a piece of animal skin after 17,145 years when a newly made piece of…

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Q: A particular radioactive material was weighed exactly 1 year ago, showing a mass of 200 g. If the…

A: a) Calculate the decay constant. N(t)=Noe-λt λ=1tlnNoN Substitute the values. λ=1365 daysln200 g7.1…

Q: Question 15 The half-life of radioactive carbon C-14 is 5730 years. The radioactive carbon from an…

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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: Radioactive isotopes can be used to find the age of rocks, fossils, or other artifacts. Carbon-14…

A: Given that                      The half life of the C-14 is t12 = 5730 years and a sample of a…

Q: 1. How old is a rock if the mineral biotite from the rock has 85,000 40K atoms and 15,000 40Ar…

A: As per guidelines , only first question is solved here. 1, Given, number of 40K atoms in rocks =…

Q: Which expression correctly describes the radioactive decay of a substance whose half-life is T?…

A: To choose correct expression that describes the radioactive decay of a  substance whose half life is…

Q: 8. The half-life of certain type of carbon used for carbon-dating is 5730 years. Determine the age…

A: The time needed for a radioactive material to decay to half of its original amount is defined as the…

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: 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: I need help with 14.

A: The mean density of moon is,

Q: A particular radioactive material was weighed exactly 1 year ago, showing a mass of 200 g. If the…

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Q: A rock sample contains two radioactive elements A and B, with half lives of 8000 and 16000 years…

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Q: What is Activity? Give its SI unit?

A: Activity is a quality connected to radio activity.

Q: Uranium-lead (U-Pb) dating of geological samples is one of the oldest and most refined radiometric…

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Q: The carbon content of living trees includes a small proportion of C-14, which is a radioactive…

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Q: Carbon 14 half life if 5700 years. A newly discovered fossilized organism is estimated to have…

A: Given that               The half life of C-14 is (t12 )= 5700year               The initial amount…

Q: 1. What is meant by half-life? 2. If you have 100 grams of a radioactive isotope with a half-life of…

A: Half‐life:-      The half-life of a radio active nuclide is defined   as the time T1/2 in which…

Q: 3. The Duggs find the skeleton of a Zillow beast and wish to carbon date it. If the half life of…

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Q: , how old is a sample if two-thirds of it is now the daughter isotope? What type of decay is…

A: We know , N=N0e-λt Where, N= remaining part of the sample N0=Initial amount of the sample λ=decay…

Q: If Nitrogen-14 absorbs an alpha particle and then emits a Hydrogen-1, what is the resulting nucleus?…

A: If Nitrogen-14 absorbs an alpha particle and then emits a Hydrogen-1.

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

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Q: What is radioactive nuclide?

A: The nuclides which go through unconstrained rot are called a radioactive nuclide.

Q: can you help me answer question 2 and 3?

A: "As per guidelines, we are supposed to answer one question per session. As there are multiple we…

Q: What is carbon-14 dating?

A: The process that uses radioactive elements to estimate the age of the object containing organic…

Q: What are radioactive substances? Give some examples.

A: We know that, Radioactivity : Radioactivity is the property of some atomic nuclei which of the…

Q: How many protons and how many neutrons does each of these isotopes of radon contain? (a) Rn­-210…

A: Isotopes are the elements which contains same atomic number or number of protons but different mass…

Q: - The radioactive decay of NI scu has a half-I ife of 120years () Write the equation for the…

A: i)      ii)  Half life of a radioactive isotope is the amount of time it takes for one half of…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.