The half-life of Carbon-14 is 11 years. How much of an initial 119 g sample will remain after 44 years? O 9639.00 O 141.52 O 1.47 O 1904.00 O 7.44

Q: The half-life of Carbon-14 is 15 years. How much of an initial 183 g sample will remain after 38…

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Q: A wooden artifact from an ancient tomb contains 40 percent of the carbon-14 that is present in…

A: Given: The remaining percentage of carbon is 40%. The half-life of carbon-14 is 5730 years.

Q: A radioactive substance has a half-life of 29 years. What percent remains 80 years after being…

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Q: An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining…

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Q: An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining…

A: There is an exponential decay with rate of 28.8%.

Q: The half life of carbon-14 is 5730 years. How long will a certain amount of carbon - 14 decay by 90%…

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Q: 30% of a radioactive substance has decayed after 10years, what is its half-life? 15.9 years 16.7…

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Q: If 8 g of a radioactive substance are present initially and 4yr later only 4.0g​ remain, how much of…

A: Initially 8 gm is present. After 4 yrs, 4 hm remained. To calculate after 9 yrs.

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: The half-life of a radloactive Isotope Is the time It takes for a quantity of the isotope to be…

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Q: An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining…

A: Given that, The mass of the element is 970 grams, which decays by 27.7% per minute. To find: How…

Q: The half-life of Carbon-14 is 14 years. How much of an initial 143 g sample will remain after 43…

A: use t half formula

Q: Suppose that 10 grams of the 1 plutonium isotope Pu239 was released in the .Chernobyl nuclear…

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Q: 1. If you have 100 grams of a radioactive isotope with a half-life of 10 years: a. How much of the…

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Q: A wooden artifact from an archaeological dig contains 70 percent of the Carbon-14 that is present in…

A: Given:wooden artifact=70% of carbon-14half-life of carbon-14 =5730 yearswe know that radioactive…

Q: The half-life of Carbon-14 is 5 years. How much of an initial 154 g sample will remain after 26…

A: Given data- A = The amount present at time(t). h = The material's half life. A∘= The amount of…

Q: The half-life of a radioactive radium is 1650 * years, what percentage of the amount present now…

A: Here first we find rate of decay rate using half life formula t12=-1rln12wheret12=half lifer= decay…

Q: The half-life of Carbon-14 is 5 years. How much of an initial 132 g sample will remain after 46…

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Q: A wooden artifact from an ancient tomb contains 50 percent of the carbon-14 that is present in…

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Q: A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in…

A: Given:-Carbon contains 60% of its initial value  First we find the vale of decay rate from half time…

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

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Q: An isotope has a half-life of 98 years. How much of a 16-gram sample is left after 150 years?

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Q: The half-life of Radium-226 is 14 years. How much of an initial 143 g sample will remain after 43…

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Q: An element with mass 490 grams decays by 28.6% per minute. How much of the element is remaining…

A: There is a decay of element at the rate of 28.6% per minute. Initially the mass of element given is…

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

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

A: To calculate the amount of mass of after 6 half-lives if the initial amounts of radioactive isotopes…

Q: Complete the table shown to the right for the half-Kife of a certain radioactive substance.…

A: Consider the radioactive decay function, At=A0e-kt Where, At represents the amount of substance left…

Q: The half-life of plutonium-239 is 24,360 years. If 10 g of plutonium is released into the atmosphere…

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Q: If18 g of a radioactive substance are present initially and 4yr later only 9g​remain, how much of…

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Q: Assume a substance has a half-life of 11 years and the initial amount is 133 grams.How much remains…

A: The amount left after t years can be calculated as

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

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Q: An

A: Given,element with mass = 510 gramsdecay rate = 26.3% per minuteour aim is to find how much of the…

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: Californium-253, a radioactive isotope with applications in nuclear energy and medicine, has a…

A: Given Initial weight of californium-253 S0=50 gram Half life time λ = 18 days

Q: A certain radio isotope has a half-life of 12 years. Find the mass that remains from a 220mg sample…

A: Half life = 12 yrs 220 mg is the initial mass Therefore decay constant = ln2 / half- life

Q: An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after…

A: Given   mass = 310 gm  Rate = 8.9 %  Time = 19 min

Q: Element X decays radioactively with a half life of 8 minutes. If there are 460 grams of Element X,…

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

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Q: A wooden artifact from an ancient tomb contains 50 percent of the carbon-14 that is present in…

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Q: The half life of a radioactive isotope is 70 years. If 150 grams of the isotope is originally…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: If 16 g of a radioactive substance are present initially and 9 yr later only 8 g​ remain, how much…

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

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Q: An element with mass 430 grams decays by 27.4% per minute. How much of the element is remaining…

A: We need to find the exponential function representing the decay of the element.

Q: If 16 g of a radioactive substance are present initially and 5 yr later only 8 g​ remain, how much…

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

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Q: A sample of an isotope decayed to 77.3% of its original amount after one year. What is the half-life…

A: Radioactivity phenomena follow first kinetics: so,    Rate=kA1      k=constant by solving this…

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

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

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Q: If 12 g of a radioactive substance are present initially and a 4 yr later only 6g remain, how much…

A: Given Total radioactive substance present   After four year only 6g remain

Q: The half-life of Cobalt-60 is 14 years. How much of an initial 107 g sample will remain after 27…

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