You can use these mass defects to see whethercertain decays are energetically favorable(energetically favorable, however, does notnecessarily imply that it will happen any time soon!)For example, as an exercise, consider the negatrondecay of Re to Os.187.187Show that this decay is energetically favorable (themass of the electron is negligible)By showing that this decay is favorable, you are alsoshowing that the reverse is not favorable, that is,187Os will not positron decay toRe.187

The mass defect of a nucleus is the difference between its actual mass & its expected mass based…

You can use these mass defects to see whether certain decays are energetically favorable (energetically favorable, however, does not necessarily imply that it will happen any time soon!) For example, as an exercise, consider the negatron decay of Re to 187. 187 Os. Show that this decay is energetically favorable (the mass of the electron is negligible) By showing that this decay is favorable, you are also showing that the reverse is not favorable, that is, 187 Os will not positron decay to Re. 187

You can use these mass defects to see whether certain decays are energetically favorable (energetically favorable, however, does not necessarily imply that it will happen any time soon!) For example, as an exercise, consider the negatron decay of Re to 187. 187 Os. Show that this decay is energetically favorable (the mass of the electron is negligible) By showing that this decay is favorable, you are also showing that the reverse is not favorable, that is, 187 Os will not positron decay to Re. 187

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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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

You can use these mass defects to see whether
certain decays are energetically favorable
(energetically favorable, however, does not
necessarily imply that it will happen any time soon!)
For example, as an exercise, consider the negatron
decay of Re to Os.
187.
187
Show that this decay is energetically favorable (the
mass of the electron is negligible)
By showing that this decay is favorable, you are also
showing that the reverse is not favorable, that is,
187
Os will not positron decay to
Re.
187

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