Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay of k=1.6 x 10yr By contrast, phophorus-32. which is used for the analysis of metabolic pathways, has a rate constant for radioactive decay of k = 0.050 day ¹ How much of a 2.50 mg sample of americium remains after 3 half-lives? Express your answer in milligrams to two significant figures. TTL= Submit Part E Templates Symbols Undo redo es keyboard shortcuts Help nu How much of a 1.51 mg sample of phophorus remains after 3 half-lives? Express your answer in milligrams to two significant figures. Templates Symbols Undo redo Peser keyboard shortcuts help Submit Part F TTL= Request Answer How much of a 1.00 mg sample of americium remains after 4 days? Express your answer in milligrams to two significant figures. Part G Submit Request Answer Templates Symbols Undo rado Reset keyboard shortcuts Help N Previous Answers Request Answer How much of a 1.35 mg sample of phophorus remains after 4 days? Express your answer in milligrams to two significant figures. Templates Symbols Undo redo Peser keyboard shortcuts Help mg mg mg
Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay of k=1.6 x 10yr By contrast, phophorus-32. which is used for the analysis of metabolic pathways, has a rate constant for radioactive decay of k = 0.050 day ¹ How much of a 2.50 mg sample of americium remains after 3 half-lives? Express your answer in milligrams to two significant figures. TTL= Submit Part E Templates Symbols Undo redo es keyboard shortcuts Help nu How much of a 1.51 mg sample of phophorus remains after 3 half-lives? Express your answer in milligrams to two significant figures. Templates Symbols Undo redo Peser keyboard shortcuts help Submit Part F TTL= Request Answer How much of a 1.00 mg sample of americium remains after 4 days? Express your answer in milligrams to two significant figures. Part G Submit Request Answer Templates Symbols Undo rado Reset keyboard shortcuts Help N Previous Answers Request Answer How much of a 1.35 mg sample of phophorus remains after 4 days? Express your answer in milligrams to two significant figures. Templates Symbols Undo redo Peser keyboard shortcuts Help mg mg mg
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
Problem 14.95PAE
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