The half-life of silicon-32 is 710 years. If 60 grams is present now, how much will be present in 400 years? (Round your answer to three decimal places.) 43.099 O 21.655 40.603 O 16.901

Q: Radioactive radium has a half-life of approximately 1,599 years. The initial quantity is 17 grams.…

A: A(t)=A0(0.5)th A0 is the initial valueh is the half lifeA(t) is the amount after a time of t .

Q: Element X decays radioactively with a half life of 11 minutes. If there are 300 grams of Element X,…

A: Given information: The half life h =11 min, there are 300g of element X. To find: The time it will…

Q: Find the half-life of a radioactive substance that decays by 4% in 3 years. (Round your answer to…

A:

Q: The half-life of radioactive radium (226Ra) is 1599 years. What percent of a present amount of…

A: Equation governing the radioactive decay is: A = A0e-kt When t = 1,599 then A = A0 / 2 (this is by…

Q: After 5.5 days, a 100 mg sample of radon-222 decayed to 37 mg. (a) Find a formula for m(t), the mass…

A: GIVEN After 5.5 days, a 100 mg sample of radon-222 decayed to 37 mg. We need to find (a) Find a…

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A: For any radioactive substance having a half-life of t1/2, its remaining quantity after t years from…

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

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

Q: 12. The half-life of silicon-32 is /10 years. If 70 grams is present now, how much will be present…

A:

Q: An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 20% more of…

A: Using radio active decay half life equation

Q: 11) The half-life of silicon-32 is 710 years. If 30 grams is present now, how much will be present…

A: Given data : Ao=30 gmp =710 years t= 300 yearsLet "A" be the amount after 300 yearsA=?

Q: Suppose a sample of a radioactive substance weighs 30 mg. One year later, the sample weighs 27.5 mg.…

A: Since, it is given that a sample of substance weighs 30 mg. After one yearlater the sample weighs…

Q: The half life of a radioactive sample is 50 days. How much of a 800 mg sample remain after 1 year?…

A:

Q: (2) The half-life of titanium-44, a radioactive isotope, is 63 years. If a substance starts out with…

A: Here, we are going to solve question number 2 and for the remaining question post the question…

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

A: The formula for exponential decay or growth function is given by: A = A0ekt Here, A = final amount…

Q: A certain hermit wants to design a reactor using radioactive material A that will be converted into…

A:

Q: The half-life of Carbon-14 is 10 years. How much of an initial 138 g sample will remain after 49…

A: Radioactive decay.

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: The radioactive isotope of lead, Pb-209, decays at a rate proportional to the amount present at time…

A:

Q: 3. The half-life of sodium-25 is 1.0 minutes. a) Starting with 1.0 kg how much will remain after ½…

A: Half life is very significant for chemical substances, especially for nuclear substances. It informs…

Q: The half-life of the radium isotope Ra-226 is approximately 1,599 years. What percent of a given…

A: Given data: The half life is t1/2=1599 years. The time taken t=200 years.

Q: The radioactive isotope of lead, Pb-209, decays at a rate proportional the amount present at time t…

A:

Q: Q1) A radioactive isotope has a half-life of 16 days. You wish to have 30 g at the end of 30 days.…

A: Using the radio-active decay formula, it can be written that Nt=N012tt12 , where , N0 is the initial…

Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

A: answer: The amount of radioactive substance after 't'  days is given byN=N0e-λtwhere N0-initial…

Q: 10) The half-life of silicon-32 is 710 years. If 40 grams is present now, how much will be present…

A:

Q: A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years. Part A: How much…

A:

Q: If 16% of a radioactive substance decays in 14 hours, what is the half-life of the substance? Round…

A: Consider the formula for the decay of the radioactive substance. Find the value for A(t) at t = 14…

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: The radioactive isotope of lead, Pb-209, decays at a rate proportional to the amount present at time…

A:

Q: If the half-life of a radioactive substance is 6,700 years, then at what rate is it decaying? 1…

A: The decay law is given by, A(t)=A0e-kt Where, A0 is the amount at t=0. And, t1/2=ln2k

Q: The half-life of a radioactive substance is 160 years. a) Compute the decay constant k (4 decimal…

A: a)Half-Life of a radioactive substance is 160 years, Initial amount=300 g time, t=160 years,We know…

Q: The half-life of carbon-14 is 5730 years. A frozen human mummy was discovered in a glacier. It was…

A: Given: half lifr=5730 t=5200

Q: The half-life of Cobalt-60 is 8 years. How much of an initial 180 g sample will remain after 23…

A:

Q: Suppose a sample of a radioactive substance weighs 34 mg. One year later, the sample weighs 25.5 mg.…

A:

Q: Cesium-137 has a half-life of approximately 30 years. How much of a 40-gram sample would be left…

A: The exponential decay function is given by P = P0·ek·t where t = time in years P = the amount of…

Q: Carbon 14 has a half-life of 5,730 years. How fast is a lump of 80 grams decaying after 100 years?…

A:

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

A:

Q: This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years. How long…

A:

Q: 22. The half-life of radium-226 is 1620 years. a) If the current mass of a sample is 100 grams, what…

A:

Q: Suppose a sample of a radioactive substance weighs 30 mg. One year later, the sample weighs 29.5 mg.…

A:

Q: The half-life of Carbon-14 is 11 years. How much of an initial 115 g sample will remain after 42…

A:

Q: The half-life of silver-105 is approximately 41.3 days. Step 3 of 3: How much of a 2 gram sample of…

A: In this question we have to find amount remains After 6 days.

Q: suppose a sample of radioactive substance weighs 40mg. one year later, the sample weighs 25.5mg.…

A: We have to find  the half-life of given substance.

Q: The half-life of Carbon-14 is 7 years. How much of an initial 169 g sample will remain after 28…

A:

Q: Element X decays radioactively with a half life of 12 minutes. If there are 690 grams of Element X,…

A:

Q: Suppose a sample of a radioactive substance weighs 34 mg. One year later, the sample weighs 25.5 mg.…

A: We have to solve

Q: ***... This exercise uses the radioactive decay model. The half-life of strontium-90 is 28 years.…

A:

Q: The half-life of Plutonium-241 is 9 years. How much of an initial 159 g sample will remain after 38…

A:

Q: The half-life of strontium-90 is 28 years. How long will it take a 60-mg sample to decay to a mass…

A:

Q: The half-life of Cobalt-60 is 8 years. How much of an initial 180 g sample will remain after 23…

A:

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.