Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:Precise measurements give the following masses:
nuclide mass
²H
2.0141 u
il
He 4.0026 u
3.0161 u
particle
In
- ie
0
e
Now consider the following nuclear reaction:
H + H → He + n
Is energy released or absorbed by this reaction?
1.0086649 u
4
5.4858 × 10 u
5.4858× 10-4 u
mass
If you said energy was released or absorbed, calculate
how much energy is released or absorbed.
Give your answer in both kJ/mol and MeV. Round each
of your answers to 3 significant digits.
Note: take particular care to keep enough digits in any
intermediate calculation, and use enough digits in any
scientific constants you need, since the data with which
you are working are very precise.
released
absorbed
neither released
nor absorbed
I need more
information to
decide.
kJ/mol
Mev
x10
X
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