4) How many years old is a person who has lived for 1 billion seconds?

Q: Indium-116 is radioactive and has a half-life of 14.10 seconds. How much of a 9.10 mg sample would…

A:

Q: the age of fossils can be trace by using isotopes c12 and c14 called carbon dating for generations.…

A: Given statement is : The age of fossils can be trace by using isotopes c12 and c14 called carbon…

Q: Strontium-90 is radioactive and has a half life of 28.8 years. How much of a 5.20 mg sample would be…

A: Given: Half life=28.8 years Time=127 years Initial concentration=5.20mg Since it is radioactive…

Q: The discovery that uranium emitted invisible rays was made accidentally. O True O False

A: The answer is given as follows Uranium was discovered in 1789 by Martin Klaproth, a German chemist,…

Q: Evaluate the dangers and benefits of neutrons and their interactions to man and his/her needs.

A: Neutrons are the sub - atomic particles which has a netural charge ( neither positive nor negative)…

Q: A radioactive sample contains 1.55 g of an isotope with a halflife of 3.8 days. What mass of the…

A: Given details, t1/2 = 3.8 days t = 5.5 days m0 = 1.55 g To calculate the mass of the isotope. By…

Q: Which of the following forces is the reason why a nucleus ends up becoming radioactive as it gets…

A: There are two types of nuclear reaction occur in chemistry. Nuclear fusion and nuclear fission.

Q: A 1.50 x 10-6 M solution of Khal Drogo’s potion was prepared by Daenerys in 1948 to make him…

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Q: what fraction of the initial 14C atoms is still there?

A:

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. What percentage of a sample would be…

A: Given Half Life = t1/2 = 2.23 minutes  By using Formula kt1/2 = ln 2k * 2.23 minutes = 0.693k = 0.31…

Q: atomic mass of weapons-grade uranium assuming the percentages are exact?

A:

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. What percentage of a sample would be…

A: Answer:

Q: Which Greek philosopher argued that matter is continuous in 350 B.C?

A: The Greek philosopher, who argued that matter is continuous in 350 B.C has to be stated.

Q: Calculate the amount of radioactivesubstance remaining after a specifiedtime has elapsed.

A: Given information,    The amount of radioactive substance remaining after a specified time has…

Q: If 10 grams of Uranium underwent three half-lives; how much uranium would be left?

A: The time in which half of the initial amount of the reactants convert into the product known as half…

Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 g of 32P, how many grams will remain…

A: Given: The half-life of phosphorus -32 =14.0 days i.e. t1/2=14.0 days Starting amount of P=6.00 g

Q: 12) How much material is left when you start with 22.5-g and you have gone through 3.66 half-lives?

A: According to guidelines i can answer only first question. Please repost the other question…

Q: Explain the meaning of half-life.

A: Radioactivity: It is the phenomenon of decaying, in which there will be the loss of energy of an…

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: in the equation 228/90Th -------> 228/91Pa + x which particle is represented by X?

A: The term atomic number is used to describe the total number of protons which are present in the…

Q: You have 20 grams of Argon18. Its half-life is 1 minute. How long would it take to have 5 grams of…

A:

Q: The energy from solar radiation falling on Earth is 1.07 * 1016 kJ>min. (a) How much loss of mass…

A:

Q: Strontium-90 is radioactive and has a half life of 28.8 years. How much of a 9.70 mg sample would be…

A:

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. How much of a 3.00 mg sample would be…

A: We have to predict the amount of sample left

Q: Select the isotope deuterium, 2H. What is the relative mass loss of deuterium, 2H, in g/mol?

A:

Q: top a gamma particle?

A: Gamma particles are the particle contained in gamma rays. They do not have mass because they are not…

Q: When plutonium-239 undergoes nuclear fusion with one neutron, it produces tellurium-135, 3 neutrons…

A: With the production of more energy and more neutrons, Plutonium - 239 undergoes nuclear fission.…

Q: The radioactive element carbon 14 has alha life of 5750 years a scientist determined that the bones…

A: The given data is as follows: The half-life of radioactive element carbon t12= 5750 years The age of…

Q: Hydrogen-3 is radioactive and has a half life of 12.3 years. What percentage of a sample would be…

A: Half-Life =12.3 years Time =13.0 years

Q: A certain radioactive isotope has a half-life of 10 years. How long will it take a 250 gram of this…

A: Given that half life of isotope is 10 years.

Q: How old is a skeleton that has lost 40% of its carbon-l4? Use 5,73A years as the half life of…

A: NOTE : There is a typing error in the half life of C-14 It will be 5730 year

Q: Q2: a- Calculate the radius and volume also the density of Gold Nuclei (Au). b- The radioactive…

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Q: Nuclear Chemistry Writing Assignment

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Q: lodine-131, a radioactive substance that is effective in locating brain tumors, has a half-life of…

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Q: Bromine-88 is radioactive and has a half ife of 16.3 seconds. What percentage of a sample would be…

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Q: 7. What do the study findings suggest to us about our overall question, "How should we search for…

A: For life on earth depends six elements : carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur.…

Q: A patient is given a 0.05 of 6 hours. How long will it be until mg dose of e which has a holf-life…

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Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32P, how many grams will remain…

A: Given Initial amount (N०) = 8.00 g Half life (t1/2) = 14 days time (t) = 42 days

Q: half-life

A:

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. What percentage of a sample would be…

A:

Q: radioactive isotope has a half-life of 38.4 days. What percent of the original sample remains after…

A: The unstable nuclei or unstable isotope undergoes radioactive disintegration to form stable nuclei.…

Q: Define the term half-life and illustrate it with an example.

A: The rate of the reaction is referred to the change in the molar concentration in the distinct…

Q: The radar active element carbon 14 has a 1/2 life of 5750 years as scientists determined that the…

A: Consider the given information is as follows; Order of the reaction = 1      (radioactive decay)…

Q: Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 g of 32P, how many grams will remain…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…