An isotope has a half-life of 108 years. How much of a 16-gram sample is left after 250 years? ..... The remaining mass is g. (Type an integer or a decimal. Round to the nearest tenth as needed.)

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

A: We know that the half - life of a substance is given by : t1/2 = 0.693/k where, k is the decay…

Q: A wooden artifact from an ancient tomb contains 30 percent of the carbon-14 that is present in…

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Q: Complete the table shown to the right for the half-life of a certain Half-Life Decay Rate, k…

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Q: The half-life of silicon-32 is 710 years. If 60 grams is present now, how much will be present in…

A: Since we have the radioactive decay formula:                         A=A0.2-th      where  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: The half life of a radioactive sample is 50 days. How much of a 800 mg sample remain after 1 year?…

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Q: A hundred years passed, and my brother and I discovered the new avatar, an air bender named Aang.…

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Q: The oldest known frozen human mummy, discov-ered in the Schnalstal glacier of the Italian Alps in…

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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: A chemical substance has a half-life of 5 hours.how much of a 82-gram sample remains after 12 hours?…

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Q: (a) How many bison will there be in 20 years? Round to the nearest whole number and include the…

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Q: The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced…

A: Given: half life of palladium-100 is 4 days  After 20 days a sample of palladium-100 was reduced to…

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: 4. A certain earthquake in 1989 had a magnitude of 5 on the Richter scale. How many joules were…

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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: For the solution follow the next step.

Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 140…

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Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 710…

A: Formula for decay A(t)= Aoekt Given Ao=80

Q: The half-life of radium is 1690 years. If 30 grams are present now, how much will be present in 570…

A: We have to finds the remaining amount

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: If 14 g of a radioactive substance are present initially and 9 yr later only 7 g remain, how much of…

A: Initial mass M0=14g , after t=9 yr the remaining mass M=7g We have t=1λlnM0M Therefore λ=1tlnM0M or,…

Q: If the population of a certain county was 100,000 in 1998 and 110,463 in 2008, and if the formula y…

A: We have given information that   The population is given by y=P0eht in 1998 population is 100,000…

Q: A sample of a newly discovered element, West Virginium, has a half-life of 295 years. How long will…

A: We have to find out t

Q: Complete the table for the radioactive isotope. Isotope 226Ra, Half Life (In years) 1599, Initial…

A: Given: isotope R226a half-life 1599 amount after the 1000 year 1.5g amount after 10000…

Q: A sample of sheepskin parchment discovered by archaeologists had a C14-to-C12 ratio equal to 40% of…

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Q: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 360…

A: Given query is to find the amount remaining after 360 years.

Q: If 14 g of a radioactive substance are present initially and 4 yr later only 7 g remain, how much of…

A: Since the amount dropped to 1/2 of the initial amount over a period of 4 years, you can assume the…

Q: In a certain culture of bacteria, the number of bacteria increased sixfold in 10h. How long did it…

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Q: What is the rate compounded semi-annually that results in P625 accumulating to P1100 in 42 months?*…

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Q: A new car is purchased for $33,000 and over time its value depreciates by one half every 4 years.…

A: Ao=Initial value of the car At= Value of the car after "t" years Given: Cost of the new car…

Q: The frozen remains of a young Incan womanwere discovered by archeologist Johan Reinhard on Mt.…

A: The standard exponential decaying model is given as y(t)=y0e-kt. To find the value of…

Q: A vehicle purchased for $29800 depreciates at a constant rate of 4%. Determine the approximate…

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Q: If 12g of a radioactive substance are present initially and 9yr later only 6g​ remain, how much of…

A: As half the amount of the radioactive substance left after 9 years, thus it is clear that half-life…

Q: If the half-life of a radioactive substance is 6,800 years, then at what rate is it decaying? (Hint:…

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

A: Given query is to find the amount after 4 half life.

Q: A small metal bar, whose initial temperature was 15° C, is dropped into a large container of bowling…

A: We know that, the standard form of Newton's law of cooling: T-T∞=T0-T∞e-kt Where; T∞ is the ambient…

Q: A chemical substance has a half-life of 5 hours.How much of a 107-gram sample remains after 12…

A: In this question we have to find sample remain after 12 hour. Formula used N=N0*(1/2)^t/t1/2

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

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Q: (in million peso) for e shown in the table be

A: Let us define the independent  (X) and dependent (Y) first. Let , X be year and it is treated as…

Q: Complete the table for the radioactive isotope. Isotope 226Ra, Half Life (In years) 1599, Initial…

A: Consider the given: Half-lifefor1'storderreaction=0.693k1599=0.693kk=0.6931599k=4.334×10-4

Q: An unknown radioactive element decays into non-radioactive substances. In 700 days the radioactivity…

A: An unknown radioactive element decays into non radioactive substances. In 700 days, the…

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: The half-life of radium is 1690 years. If 50 grams are present now, how much will be present in 580…

A: Since it is given that half-life of radium is 1690 years.Our aim is to calculate that how much…

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: The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 240…

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Q: A vehicle for $27,500 depreciates at a constant rate of 9%. Determine the approximate value of the…

A: A vehicle for $27,500 depreciates at a constant rate of 9%. We have to find the approximate value of…

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 radium is 1690 years. If 90 grams are present now, how much will be present in 370…

A: