What is the Radioactive decay?

Q: Radiocarbon C14 has a half-life of 5730 years. How many years will it take for 26%of a sample of C14…

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Q: Determine whether the following statement is true or false, and explain why. The half-life of a…

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Q: 100mg sample of tritium-3 decayed to 94.5mg after a year. (i) What is the half-life of tritium-3?…

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Q: Since the data obtained as a result of 5 observations of an experiment is ∑ log Xi = 6.27, what is…

A: n = 5 ∑ log Xi = 6.27 We have to find the geometric mean.

Q: Salt (NaCl) decomposes in water into sodium (Na*) and chloride (CI) ions according to the law of…

A: By law of uninhibited decay we have.      A=A0ekt t denotes the time. A0 denotes the initial amount…

Q: A grey squirrel population was introduced in a certain county of Great Britain 35 years ago.…

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Q: The decay rate for a radioactive isotope

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Q: Strontium 90 (Sr-90), a radioactive isotope of strontium, is present in the fallout resulting from…

A: The answer is found in step-2

Q: The half-life of the radioactive element tritium is 12 years. Find its decay constant.

A: We have, the half-life of the radioactive element tritium is 12 years. As we know that, The time in…

Q: Strontium 90 (Sr-90), a radioactive isotope of strontium, is present in the fallout resulting from…

A: the amount decreases by (1/2)^nLwhere n is the number of half life yearsso ,(1/2)^n = 1/32solving…

Q: If half a certain amount of radium decays in 1600 years. What percentage of the original amount will…

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Q: carbon-14? The decay​ rate, k, of​ carbon-14 is

A: The general exponential function of decaying is given as: A=A0e-kt where A is present amount Aο is…

Q: What is the exponential decay?

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Q: The decay constant for a particular radioactive element is .032 when time is measured in years. Find…

A: Given decay constant of a radioactive element λ=0.032 To find the half life of the element.

Q: A 3750-year-old wooden chest is found by archaeologists. What percentage of the original 14C would…

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Q: 2. Suppose that we initially have 500 mg of a radio-active substance as sample. After a year, the…

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Q: A grey squirrel population was introduced in a certain county of Great Britain 35 years ago.…

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Q: An initial population of 8,000 decays for two years until the population is 500. By what percentage…

A: Given-  An initial population of 8,000 decays for two years until the population is 500. To…

Q: The population of minnows in the lagoon is 5,400, but the population will decay exponentially. If…

A: The formula for the exponential decay model is, y=C1-rt Here, y is the final amount C is the initial…

Q: a function decreases by 5% each year, then the yearly decay factor is?

A: Subtract rate from 1 for decay factor

Q: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.…

A: Solution: from 8000 to 20002 full half-life needed (8000->4000->2000)

Q: 4.A radioactive substance loses 3% of its substance every 5 years. What is the half-life of this…

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Q: 4.) The half-life of strontium-90 is 28 years. Find the rate of decay. How long will it take a 50 mg…

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Q: What is the third-life of Woosterium-21? That is, find the time it takes a sample of Woosterium-21…

A: Exponential Decay Law A=A0e-kt t - time A - amount of sample after time t A0 - amount of sample at…

Q: A scientist wants to determine the halflife of a certain radioactive substance. She determines that…

A: The half life function is given by: N(t)=N0(0.5)t/t1/2 where N(t) is the final amount in milligrams…

Q: The decay constant for carbon-14 is 0.00012, with time measured in years. A piece of papyrus…

A: Decay of any radio active substance follow first kinetics and the equation of first order kinetics…

Q: How long does it take for 90% of a given quantity of the radioactive element cobalt-60 to decay,…

A: Radioactive element decay rate.

Q: According to Wikipedia, Radiocarbon dating (also referred to as carbon dating or carbon-14 dating)…

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Q: Strontium-90 has a half-life of 29 years. Beginning with a 10 mg sample, find how long it takes for…

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Q: (a) How much of the initial sample will be left in the sample after 15 years? (b) How long will it…

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Q: The decay constant for a particular radioactive element is 021 when time is measured in years. Find…

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Q: the population of a colony of mosquitoes obeys the law of uninhibited growth. if there are 1000…

A: The population of a colony of mosquitoes obeys the law of uninhibited growth. if there are 1000…

Q: An artifact is discovered at a certain site. If it has 52% of the carbon-14 it originally contained,…

A: Topic:- exponential decaying function

Q: Radon-222 decays at a continuous rate of 17.3% per day. How much will 250 mg of Radon-222 decay to…

A: Radon-222, a noble gas resulting from the decay of naturally occurring uranium-238, is the first…

Q: Find the one-hour growth rate for each type of bacteria.

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Q: What is the decay rate of the radioactive substance?

A: Decay Rate of radioactive substances - Decay rate of radioactive substances is the decrease in…

Q: fea)=4(2 grath /decay

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Q: An exponential function has a decay factor of 0.03. What is the percentage decay rate?

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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: Radium-221 has a half-life of 30 s. How long will it take for 95% of a sample to decay?

A: Given that Radium-221 has a half life of 30 seconds. We need to calculate how long will it take for…

Q: An exponential function has a decay factor of 0.02. What is the percentage decay rate? %

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: Suppose that we initially have 500 mg of a radio-active substance as sample. After a year, the…

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Q: 1. Carbon 14 is a common form of carbon which decays over time. The initial amount of carbon 14…

A: Please see the below pictures for detailed solution.

Q: If a function decreases by 7% each year, then the yearly decay factor is what?

A: If a function decreases by 7% each year, then the yearly decay factor is what

Q: The decay constant for a particular radioactive element is .028 when time is measured in years. Find…

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Q: A radiation safety officer is working with 112 grams of a radioactive substance. After 17 days, the…

A: We have to find the decay rate of the radioactive compound.

Q: what the meaning of a temporal decay rate of 0.5 day^-1

A: According to the given information, it is required to define the meaning of:

Q: 1. The radioactive isotope hydrogen-3 has a half-life of 12.3 years. a. If a sample of 80 mg of…

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Q: Suppose a particular antibiotic that is introduced to a petri dish containing 3000 newly discovered…

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Q: If the half-life of a radioactive substance is 7,300 years, then at what rate is it decaying? (Hint:…

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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.