o 2}H + 2 }n → He o ŞLi + n+He + {T 41 p + 3D +He 1, 4. 1, o D + {T → He + o 37 1, He + T → He + 20 3p 3-

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter19: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 8RQ
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Question

Which of the following reactions is NOT correct?

### Nuclear Fusion Reactions

The image presents a series of nuclear fusion reactions. Each reaction shows how various nuclei combine to form different products. The equations can be described as follows:

1. \(\phantom{}^{2}_{1}\text{H} + \phantom{}^{2}_{0}\text{n} \rightarrow \phantom{}^{4}_{2}\text{He}\)
   
   In this reaction, two deuterium nuclei (\(\phantom{}^{2}_{1}\text{H}\)) and two neutrons (\(\phantom{}^{2}_{0}\text{n}\)) fuse to form a helium-4 nucleus (\(\phantom{}^{4}_{2}\text{He}\)).
   
2. \(\phantom{}^{6}_{3}\text{Li} + \phantom{}^{1}_{0}\text{n} \rightarrow \phantom{}^{4}_{2}\text{He} + \phantom{}^{3}_{1}\text{T}\)
   
   Here, a lithium-6 nucleus (\(\phantom{}^{6}_{3}\text{Li}\)) and a neutron (\(\phantom{}^{1}_{0}\text{n}\)) combine to produce a helium-4 nucleus (\(\phantom{}^{4}_{2}\text{He}\)) and a tritium nucleus (\(\phantom{}^{3}_{1}\text{T}\)).
   
3. \(\phantom{}^{1}_{1}\text{p} + \phantom{}^{2}_{1}\text{D} \rightarrow \phantom{}^{3}_{2}\text{He}\)
   
   In this reaction, a proton (\(\phantom{}^{1}_{1}\text{p}\)) and a deuterium nucleus (\(\phantom{}^{2}_{1}\text{D}\)) fuse to form a helium-3 nucleus (\(\phantom{}^{3}_{2}\text{He}\)).
   
4. \(\phantom{}^{2}_{1}\text{D} + \phantom{}^{3}_{1}\text{T} \rightarrow \phantom{}^{4}_{2}\text{He} + \phantom{}^{1}_{0}\text{n}\)
   
   This reaction involves a deuterium nucleus (\(\phantom{}^{2}_{1}\text{D}\)) and a tr
Transcribed Image Text:### Nuclear Fusion Reactions The image presents a series of nuclear fusion reactions. Each reaction shows how various nuclei combine to form different products. The equations can be described as follows: 1. \(\phantom{}^{2}_{1}\text{H} + \phantom{}^{2}_{0}\text{n} \rightarrow \phantom{}^{4}_{2}\text{He}\) In this reaction, two deuterium nuclei (\(\phantom{}^{2}_{1}\text{H}\)) and two neutrons (\(\phantom{}^{2}_{0}\text{n}\)) fuse to form a helium-4 nucleus (\(\phantom{}^{4}_{2}\text{He}\)). 2. \(\phantom{}^{6}_{3}\text{Li} + \phantom{}^{1}_{0}\text{n} \rightarrow \phantom{}^{4}_{2}\text{He} + \phantom{}^{3}_{1}\text{T}\) Here, a lithium-6 nucleus (\(\phantom{}^{6}_{3}\text{Li}\)) and a neutron (\(\phantom{}^{1}_{0}\text{n}\)) combine to produce a helium-4 nucleus (\(\phantom{}^{4}_{2}\text{He}\)) and a tritium nucleus (\(\phantom{}^{3}_{1}\text{T}\)). 3. \(\phantom{}^{1}_{1}\text{p} + \phantom{}^{2}_{1}\text{D} \rightarrow \phantom{}^{3}_{2}\text{He}\) In this reaction, a proton (\(\phantom{}^{1}_{1}\text{p}\)) and a deuterium nucleus (\(\phantom{}^{2}_{1}\text{D}\)) fuse to form a helium-3 nucleus (\(\phantom{}^{3}_{2}\text{He}\)). 4. \(\phantom{}^{2}_{1}\text{D} + \phantom{}^{3}_{1}\text{T} \rightarrow \phantom{}^{4}_{2}\text{He} + \phantom{}^{1}_{0}\text{n}\) This reaction involves a deuterium nucleus (\(\phantom{}^{2}_{1}\text{D}\)) and a tr
Expert Solution
Step 1

Since in any reaction,

1) total mass number of the reactants = total mass number of the products 

2) total Atomic number of reactants = total atomic number of products

This is because both atomic and mass number represents the subatomic particle and in any reaction, subatomic particles neither can be created nor destroyed 

Step 2

Mass number is represented by the top left number and atomic number by bottom left number written around the species 

A) Chemistry homework question answer, step 2, image 1

Here we have total mass number of product = 4

And mass number of reactant = 2 X 1 + 2 X 1 = 4                 ( because we have 2 H and 2 n so multiplying by 2 with mass numbers)

And total atomic number of product = 2 

And atomic number of reactant = 2 X 1 + 2 X 0 = 2

hence the condition is satisfied. => this is correct reaction 

Step 3

B) Chemistry homework question answer, step 3, image 1

Here we have total mass number of product = 4 + 3 = 7

And mass number of reactant = 6 +  1 = 7                 

And total atomic number of product = 3 + 0 = 3

And atomic number of reactant = 2+1 = 3

hence the condition is satisfied. => this is correct reaction 

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