224. You have 83.525g of a radioactive element with a half-life of 52.01minutes. After 254.3 minutes have passed, how many grams of the radioactive element remain? Report your answer to 2 decimal places.
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224. You have 83.525g of a radioactive element with a half-life of 52.01minutes. After 254.3 minutes...
You have 86.237g of a radioactive element with a half-life of 43.91minutes. After 3.09 half-lives have passed, how many grams of the radioactive element remain? Report your answer to 2 decimal places.
You have 82.173g of a radioactive element with a half-life of 53.39minutes. After 4.05 half-lives have passed, how many grams of the radioactive element remain? Report your answer to 2 decimal places. Answer 4.96
A radioactive element decays with a half-life of 100 years. If there are 10 grams of this element today, how many grams will remain 50 years from now? - O A 10 V OBS 15 Ос. 2 D. 10/2 O E. 10 Reset Selection
Part A: Tritium is a radioactive isotope of the element hydrogen. Tritium has a half-life of 12.5 years. How many years would it take until only 3.22% of a sample remain? Answer should be in years. Part B: Radioactive Carbon-11 has a half life of only 20.3 minutes and an atomic mass number of 11 u. Calculate the activity of 3.58 g of Carbon-11. Answer should be in Bq.
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds ? 30 seconds? 40 seconds? 50 seconds? The amount left after 10 seconds is grams The half-life of the radioactive element unobtanium-43 is 10 seconds. If 176 grams of unobtanium-43 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds? The amount left...
At the beginning of an experiment, a scientist has 348 grams of radioactive goo. After 195 minutes, her sample has decayed to 43.5 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) How many grams of 800 will remain after 77 minutes? You may enter the exact value or round to 2 decimal places
At the beginning of an experiment, a scientist has 368 grams of radioactive goo. After 210 minutes, her sample has decayed to 46 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) = How many grams of goo will remain after 41 minutes? You may enter the exact value or round to 2 decimal places. Question Help: Video
The half life of Zn -71 is 1.2 minutes. If you had a 120.0 g of this material before any radioactive decay, how many grams would be left after 4.8 minutes have elapsed?
At the beginning of an experiment, a scientist has 108 grams of radioactive goo. After 240 minutes, her sample has decayed to 3.375 grams. What is the half-life of the goo in minutes? Preview How many grams of goo will remain after 99 minutes? Preview How many grams of goo will remain after 218 minutes? Preview Round your answers to the nearest tenth as needed. Get help: Video Drintendent
9. [-14 Points] DETAILS SPRECALC7 4.6.017. This exercise uses the radioactive decay model. The half-life of radium-226 is 1600 years. Suppose we have a 28-mg sample. (a) Find a function m(t) = moz-th that models the mass remaining after t years. m(t) = (b) Find a function m(t) = moet that models the mass remaining after t years. (Round your value to six decimal places.) m(L) = (c) How much of the sample will remain after 2500 years? (Round your...