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Concept explainers
(a)
Interpretation:
The amount of Pu-239 decomposed in 45 minutes in the following decay reaction needs to be calculated.
Concept introduction:
Radioactive decay follows first order kinetics as per the following relation:
(b)
Interpretation:
The amount of energy released when
Concept introduction:
The energy change associated with a nuclear reaction is expressed as:
(c)
Interpretation:
The radiation dose in rem received by a man weighing 75 kg and exposed to 1 g of Pu-239 for 45 min needs to be calculated.
Concept introduction:
The biological effect of radiation on tissues is expressed in terms of ‘rems’ i.e. radiation equivalent for man
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Chapter 18 Solutions
Chemistry: Principles and Reactions
- The isotope 208Tl undergoes decay with a half-life of 3.1 min.. (a) What isotope is produced by the decay?. (b) How long will it take for 99.0% of a sample of pure 208Tl to decay?. (c) What percentage of a sample of pure 208Tl remains un-decayed after 1.0 h?arrow_forwardWhat are the two principal differences between nuclear reactions and ordinary chemical changes?arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
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