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The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 40.4 mg of this isotope, what mass remains after 22.3 days have passed? 11.46 mg What is the binding energy in kJ/mol nucleons for copper-63? kJ/mol nucleons 63 1 1 Cu 29 H + 34 n 29 1 0 The required masses (g/mol) are: 1 1 63 H = 1.00783 ; n = 1.00867; Cu == 62.92980 1 0 29

The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 40.4 mg of this isotope, what mass remains after 22.3 days have passed? 11.46 mg What is the binding energy in kJ/mol nucleons for copper-63? kJ/mol nucleons 63 1 1 Cu 29 H + 34 n 29 1 0 The required masses (g/mol) are: 1 1 63 H = 1.00783 ; n = 1.00867; Cu == 62.92980 1 0 29

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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
Section: Chapter Questions
Problem 23PS
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The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 40.4 mg of this isotope, what mass remains after 22.3 days have passed? 11.46 mg
Transcribed Image Text:The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 40.4 mg of this isotope, what mass remains after 22.3 days have passed? 11.46 mg
What is the binding energy in kJ/mol nucleons for copper-63? kJ/mol nucleons 63 1 1 Cu 29 H + 34 n 29 1 0 The required masses (g/mol) are: 1 1 63 H = 1.00783 ; n = 1.00867; Cu == 62.92980 1 0 29
Transcribed Image Text:What is the binding energy in kJ/mol nucleons for copper-63? kJ/mol nucleons 63 1 1 Cu 29 H + 34 n 29 1 0 The required masses (g/mol) are: 1 1 63 H = 1.00783 ; n = 1.00867; Cu == 62.92980 1 0 29
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