Part 1: Decay Rate graph By READING the R vs t graph shown below, determine R. & the mean life. R (×1016 decays/s) 3. 2. 1. t(s) 1 2 3 4 5 Ro decays/s mean life = Part 2: Half-life (straightforward determination) A pure sample of a newly discovered radioactive element is discovered. After 508 s, only half of the element remains. What's the half-life of the element? A pure sample of a second newly discovered radioactive element is discovered. After 196 s, only a quarter of the element remains. What's the half-life of the element? A pure sample of a third newly discovered radioactive element is discovered. After 1312 s, only 1/16 of the element remains. What's the half-life of the element? A pure sample of a fourth newly discovered radioactive element is discovered. After 231 s, only 1/128 of the element remains. What's the half-life of the element? Part 3: Half-life graph By READING the N vs t graph shown below, determine No & the half-life. N (×1012 atoms) 60 45. 30. 15. t(h) 1 2 3 4 5 6 7 8 9 10 No = half-life = atoms

Part 1: Decay Rate graph By READING the R vs t graph shown below, determine R. & the mean life. R (×1016 decays/s) 3. 2. 1. t(s) 1 2 3 4 5 Ro decays/s mean life = Part 2: Half-life (straightforward determination) A pure sample of a newly discovered radioactive element is discovered. After 508 s, only half of the element remains. What's the half-life of the element? A pure sample of a second newly discovered radioactive element is discovered. After 196 s, only a quarter of the element remains. What's the half-life of the element? A pure sample of a third newly discovered radioactive element is discovered. After 1312 s, only 1/16 of the element remains. What's the half-life of the element? A pure sample of a fourth newly discovered radioactive element is discovered. After 231 s, only 1/128 of the element remains. What's the half-life of the element? Part 3: Half-life graph By READING the N vs t graph shown below, determine No & the half-life. N (×1012 atoms) 60 45. 30. 15. t(h) 1 2 3 4 5 6 7 8 9 10 No = half-life = atoms

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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