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Hydrogen-3 has a half-life of 12.35 years. What mass of hydrogen-3 will remain form a 100.0 MG initial sample after 5.0 years? A) 7 MG B) 24 MG C) 76 MG D)

Hydrogen-3 has a half-life of 12.35 years. What mass of hydrogen-3 will remain form a 100.0 MG initial sample after 5.0 years? A) 7 MG B) 24 MG C) 76 MG D) 18 MG
I haven't worked out the number, but it won't be necessary ... it's easy to pick the answer out of the choices that are given. ... The time (5 yrs) is less than the half-life (12.35 yrs), so more than half of the original sample (100mg) remains. Only one of the choices is more than 50 mg. (Can you find it ?) ...

Research, Knowledge and Information :


Chemistry 1032 Flashcards | Quizlet


... B 32) Sodium-24 has a half-life of 15 hours. ... 50.0 mg B) 25.0 mg C) 12.5 mg D) ... If the half-life of hydrogen-3 is 11.8 years, after two half-lives the ...
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COMPLETE AP CHEM TEST SEMESTER 1 Flashcards | Quizlet


Start studying COMPLETE AP CHEM TEST SEMESTER ... K has a rate constant of 0.76 s⁻¹. If the initial ... 14 has a half life of 5720 years and this is a ...
Read More At : quizlet.com...

Actinide - Wikipedia


... (76.4) 0.043 (0.02) 0.100 (1.5 × 10 −3) ... have a longer half-life (3.48 × 10 5 years) ... 3.8 × 10 − 12: 7.7: Monazite: Brazil: 0.24: 2.1 ...
Read More At : en.wikipedia.org...

ZA - Louisiana Tech University Institute for Micromanufacturing


initial amount of an isotope actually does remain after ten half-lives? A. 0.100 B ... A. 47.3 mg B. 3.1 mg C. 3.24 mg D. 0 ... D. curie E. half-life 62. T F The mass ...
Read More At : www.chem.latech.edu...

Half Lives Plexus-NSD - Integrated Environmental Management ...


Half Lives. The half-life of a radioactive element is the time that it takes for one half ... Hydrogen. H-3 – 12.35 years; Indium. ... 3.28E4 years; Pa-233 – 27.0 ...
Read More At : www.iem-inc.com...

Hydrogen isotope biogeochemistry - Wikipedia


... Water standard is used which has an isotope ratio of 155.76 ±0.1 ... because of tritium's short half-life of 12.3 years. ... large sample size (several 10 2 mg).
Read More At : en.wikipedia.org...

Answers to SelectedTextbook Questions - Cengage


2 Chemistry, First Canadian Edition 1.17 An organic compound consists of molecules made from carbon, hydrogen and oxygen atoms.
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Nuclear Chemistry - lardbucket


It has a half-life of 12.3 y. After 12.3 y, ... If the half-life of curium is 24.0 s, ... how much time does it take for 99.0% of a sample of hydrogen-3 to decay?
Read More At : 2012books.lardbucket.org...

Chemistry 134 Problem Set Introduction - ctlsfasu


Chemistry 134 Problem Set Introduction ... 3 (b) KH (c) PdH 0.7 ... how many kilograms of hydrogen gas form as a by-product?
Read More At : www.faculty.sfasu.edu...

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