3. How long will it take for 85% of the nickel to undergo decay?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 37QRT: Radioactive gold-198 is used in the diagnosis of liver problems. 198Au decays in a first-order...
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QUESTION 1
ONi decays by a first-order process via the emission of a beta particle. The Ni isotope has a half-life of 100. years. How long will it take for 85% of the nickel to undergo decay?
O a. 1.3 years
Ob.270 years
O. 10 years
O d.110 years
Oe. 23 years
Transcribed Image Text:QUESTION 1 ONi decays by a first-order process via the emission of a beta particle. The Ni isotope has a half-life of 100. years. How long will it take for 85% of the nickel to undergo decay? O a. 1.3 years Ob.270 years O. 10 years O d.110 years Oe. 23 years
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