The synthetic radioisotope technetium-99, which decaysby beta emission, is the most widely used isotope in nuclearmedicine. The following data were collected on a sampleof 99Tc:Using these data, make an appropriate graph and curve fitto determine the half-life. Disintegrationsper MinuteTime (h)1801302.51045.0777.55910.04612.52417.5

It is given that the reaction is radioactive decay of technetium-99. As it is known all the…

Answered: Disintegrations per Minute Time (h) 180…

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Disintegrations per Minute Time (h) 180 130 2.5 104 5.0 77 7.5 59 10.0 46 12.5 24 17.5

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter20: Kinetics

Section: Chapter Questions

Problem 20.24E

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.

Question

The synthetic radioisotope technetium-99, which decays
by beta emission, is the most widely used isotope in nuclear
medicine. The following data were collected on a sample
of ⁹⁹Tc:

Using these data, make an appropriate graph and curve fit
to determine the half-life.

Disintegrations
per Minute
Time (h)
180
130
2.5
104
5.0
77
7.5
59
10.0
46
12.5
24
17.5

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