Physics for Scientists and Engineers with Modern Physics, Technology Update
Physics for Scientists and Engineers with Modern Physics, Technology Update
9th Edition
ISBN: 9781305401969
Author: SERWAY, Raymond A.; Jewett, John W.
Publisher: Cengage Learning
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Chapter 45, Problem 1OQ
To determine

The number of neutrons after reaction.

Expert Solution & Answer
Check Mark

Answer to Problem 1OQ

Option (c) 3.

Explanation of Solution

In this reaction, before and after the reaction the mass number must be conserved.

The total mass number before the reaction is the sum of the mass number of U235 plus the mass number of neutron, which is equal to 235+1=236.

The total mass number after the reaction is the sum of the mass numbers of I137 and Y96, and is equal to 137+96=233. This implies the mass number is not conserved and is lag by 3. Thus, there must be three neutrons should emit to maintain the conservation.

Conclusion:

Therefore, the number of neutron produced is 3.

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