WebWhat is the half-life of this isotope? 6. It took 49.2 s for 3.000 g of a radioactive isotope to decay to 0.1875 g. What is the half-life of this isotope? 7. The half-live of americium-241 is 432 y. If 0.0002 g of americium-241 is present in a smoke detector at the date of manufacture, what mass of americium-241 is present after 100.0 y? After ... WebThe radioactive element Americium-241 has a half life of 432 years. Suppose, we start with a 20 g mass of Americium-241, how much will be left after 321 years? The half-life …
radioactivity - What is the benefit of using Am-241 in smoke …
WebAmericium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a smoke detector (initially containing 2.90 µg of Am), in micrograms, that has been used for one year if the half-life is 433 years. This problem has been solved! WebJan 10, 2024 · The most common isotopes are americium-241, with a half-life of 432.7 years, and americium-243. Americium-242 is also known, with a half-life of 141 years. In total, 19 isotopes and 8 nuclear isomers have been characterized. The isotopes variously undergo alpha, beta, and gamma decay. google play store mod apk download
Answered: calculate how much of a 10.0-g sample… bartleby
WebAmericium-241 radioisotope commonly used in smoke detectors and has a half life of 430 y Question calculate how much of a 10.0-g sample of americium-241 remains after four … WebAmericium-242 has a half-life of only 16 hours, which makes its further conversion to 243 Am extremely inefficient. ... There are two long-lived alpha-emitters; 243 Am has a half-life of 7,370 years and is the most … WebEinsteinium-247 (half-life 4.55 minutes) was produced by irradiating americium-241 with carbon or uranium-238 with nitrogen ions. The latter reaction was first realized in 1967 in Dubna, Russia, and the involved … google play store movie