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EX-1: Calculate the half-life of X-226 if 1 g of it emits 1Ci alpha Particles per second.

EX-1: Calculate the half-life of X-226 if 1 g of it emits 1Ci alpha Particles per second.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section25.4: Rates Of Nuclear Decay
Problem 25.5CYU
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EX-1: Calculate the half-life of X-226 if 1 g of it emits 1Ci alpha Particles per second. EX-3: Co-60 decay to give Ni-60. Calculate the fraction and the percentage of the sample that remains after 15 years. The decay constant of Co-60 is 0.13 y. EX-6: A sample of radioactive l-133 gave with a Geiger counter 3150 cpm at a certain time and 3055 cpm after one hour later. Calculate the half-life of I-133.
Transcribed Image Text:EX-1: Calculate the half-life of X-226 if 1 g of it emits 1Ci alpha Particles per second. EX-3: Co-60 decay to give Ni-60. Calculate the fraction and the percentage of the sample that remains after 15 years. The decay constant of Co-60 is 0.13 y. EX-6: A sample of radioactive l-133 gave with a Geiger counter 3150 cpm at a certain time and 3055 cpm after one hour later. Calculate the half-life of I-133.
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