The half-life of plutonium-239 is 24,300 years. If a nuclear bomb released 8 kg of this isotope, how many years would pass before the amount is reduced to 1 kg?

Q: ENERGY ENERGY The left diagram represents fusion which produces the energy in the sun. The right…

A: In this question we have to answer what type of energy is produced by the sun and then answer the…

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A: Given data :- N0 = 135 gT = 3.t1/2  ;  t1/2 being the half life of isotope

Q: Carbon-4 is an isotope of carbon thát is formed when radiation from the sun strikes ordinary carbon…

A: Given,

Q: answer

A: Nuclear fission is a process in which a large nucleus splits into smaller nuclei and it is used to…

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: If you are told the half life of a material is 3,500 years, then how much would be remaining from a…

A: Given data: Half life (t1/2)= 3,500 years Initial quantity of the substance (N0) = 10 g Time elapsed…

Q: The half-life of carbon-14 is 5730 years. If 6.25% of the original sample remains, how old is the…

A:

Q: The half life of Thorium is 75,000 years. How much of the substance will be left after 3 half lives

A: Let initial amount of substance is m. The half life is T= 75000 years.

Q: The half-life of I-137 is 8.07 days. If 25 grams are left after 40.35 days, how many grams were in…

A:

Q: The half-life of radio-active isotopes is 140 days. How many days would it take for the activity of…

A: Given data: the half life of radio-active isotope, t1/2 = 140 days

Q: It is thought that there is at least 4*10^7 kg of uranium-235 that could be minded. The energy…

A:

Q: one-eighth of a radioactive element remains after 600 years, what is that elements half-life?

A: Let initial number of nucleus = No  remaining number of nucleus = N = No /8  Time taken t = 600…

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

A:

Q: What is the renewability of nuclear power?

A: Nuclear energy is produced from urenium which is radioactive ore.

Q: The half-life of a certain radioactive substance is 9 years. What is the yearly decor factor?

A: Given,

Q: Cobalt-60 has a half-life of approximately 5 years. If 53g of the material was stored for 20 yers,…

A: mi=m0×2nmi: initial mass=53 kgm0=remaining mass n= number of periods

Q: If carbon-14 has a half life of 5,730 years and a sample contains 50 moles originally, how much is…

A: You have posted more than one non related questions. As per our policy first question will be…

Q: Why should we switch all of our fossil fuel power plants to nuclear?

A: Nowadays our main concern is climate change so we switch from fossil fuel to nuclear because nuclear…

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: As you will learn, carbon-14 (14C) is an unstable isotope of carbon. It has the same chemical…

A:

Q: The half life of carbon-14 is approximately 6000 years. How long will it take a sample of carbon-14…

A:

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

A:

Q: The US had 264 billion barrels of oil in reserve at the end of 2019. Us annual energy consumption is…

A:

Q: A neutral Carbon-13 atom has protons, neutrons, and electrons.

A:

Q: A sample of polonium-208 has a half-life of 2.898 years. What percent of polonium-208 remains after…

A: The half-life of a radioactive substance is the time required for a quantity to reduce to half of…

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: Why is nuclear energy controversial?

A: Nuclear energy in recent times becoming more controversial. The energy outcome by the splitting of…

Q: Elemental carbon has 6 protons and 6 neutrons. This is often described as carbon-12. Carbon-13 has 6…

A: Mass Number = Number of protons + Number of neutrons For Plutonium: Mass Number = 244 Number of…

Q: A certain radioactive substance has 122,200 atoms with a half-life of 12 minutes. NOTE: This is a…

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: Suppose you have four cubic meters of copper, two cubic meters of uranium, three cubic meters of…

A:

Q: f the half-life of cesium-137 is 30 years, approximately how much time will be required to reduce a…

A:

Q: What are Alpha Particles?

A: Alpha particles are positively charged particles .

Q: Why does nuclear fusion only happen at temperatures and pressures?

A:

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

A: Reason for sunshine

Q: What is the difference between nuclear fission and nuclear fusion?  Which one is used in our nuclear…

A: Nuclear Fission: Nuclear fission is stated as the process that occurred at room temperature in which…

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: A rock sample contains a radioactive isotope that has a half-life of 10,000 years. One-fourth (25%)…

A:

Q: The half-life of a certain radioactive isotope is 30 minutes. If we start out with 100 g of the…

A: Given: Half-life (T1/2) = 30 min. = 0.5 h. Mass of the isotope (m) = 100 g. Time (t) = 2.0 h.

Q: The radioactive isotope thorium 234 has a half-life of approximately 578 hours. (a) If a sample has…

A: Expression for decay constant -  λ=0.693Half life Given value-  Half life = 578 hours  Therefore,…

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

A:

Q: the half-life of Uranium-238 is 4.46 × 109 years. If a sample of mass 10kg is thought to have formed…

A:

Q: What are the pros and cons of nuclear fusion?

A: Nuclear fusion:-  We know that Nuclear fusion is defined as when the two or more light [small ]…

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.

Q: Which statement describes one way that nuclear fusion differs from nuclear fission?…

A: In a nuclear process, when multiple lighter nuclei collides to form a single nucleus of heavier…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.