At the beginning of an experiment, a scientist has 164 grams of radioactive goo. After 135 minutes, her sample has decayed to 20.5 grams. What is the half-life of the goo in minutes? Find a formula for G(t), the amount of goo remaining at time t. G(t) = %3! How many grams of goo will remain after 41 minutes?

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A: Half-life of radioactive element: = 5.73 x 103 y Activity of radio active element: A(t) = 0.259 Bq…

Q: The decay behavior of a radioactive substance obeys first order kinetics: ln(N/No) = –kt, where N is…

A: first order kinetics,lnNN0=-ktwhere N is amount of radioactive nucle at timehalf life=20 min=1200…

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Q: radioactive

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Q: An archeologist discovers the bones of a person believed to have been dead for 600 years. Using…

A: Half-life of radioactive element:  = 5.73 x 103 y Activity of radio active element: A(t) = 0.259 Bq…

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A: Activity is, R=-∆N∆t

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Q: You measure the beta decay activity of an unknown substance to be 5306Bq. 48 hours later, the…

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Q: A sample contains 1,174 present one year earliera Give your answer to 3 sig

A: Given data, A = 1174. A0=?. Half life T12=33 days. Time t = 365 days.

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Q: Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from…

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Q: A sample contains radioactive atoms of two types, A and B. Initially there are five times as many A…

A: To solve for the half-life of type B atoms, we start by defining the initial quantities and using…

Q: The fission process in a reactor is represented by the equation below: U235    + n1    = La148+ Br85…

A: Given that: U235+n1=L148a+B85r+3n1M(U235)=235.124 amuM(L148a)=147.96 amuM(B85r)=84.938…

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Q: At the beginning of an experiment, a scientist has 336 grams of radioactive goo. After 60 minutes,…

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A: Yate's Algorithm: Note: X=factorial effect X and total SSX=sum of squares due to X=X232…

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A: We use the formula of rate of decay to get the required values.

Q: 10) Which vectors in graph below are equal? to too

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Q: a substance has a half life of 1000 years, and an initial mass of 100 grams, how much of the…

A: half-life of substance= 1000 Years No= Initial mass= 100 grams

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Q: What is the half-life in days of a radioactive sample with 4.9x10¹5 atoms and an activity of 6.5×108…

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Q: Sihle, an archaeologist from UWC finds an ancient wooden axe handle at an excavation site at…

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Q: The half life for the decay of carbon-14 is 5.73*10^3 years. Suppose the activity due to the…

A: Half life of the carbon-14 Activity of the fresh wood Activity of the decayed wood

Q: What is the half-life in days of a radioactive sample with 3.0x1015 atoms and an activity of 6.2x108…

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Q: For the radioactive isotope strontium-90, k is 2.47 x 10-2 years -1. If the original amount of…

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Q: The reaction shown below has a Q value of 4.362 MeV. H + Be - B + n Determine the atomic mass (in u)…

A: Given data :   Atomic mass of Hydrogen (MH-2) = 2.0141 u   Atomic mass of Berillium (MBe-9) = 9.0122…