
Concept explainers
(a)
Interpretation: The given unbalanced reaction is to be balanced.
Concept introduction: Unbalanced chemical equations just reveal the species that are a part of the reaction. However, it doesn’t give any information regarding their relative amounts needed to satisfy law of mass conservation. This is reason why equations must actually be balanced. Balance reactions are characterized by balanced mass along with charge on both sides.
(a)

Answer to Problem 67E
The balanced equation is shown below.
Explanation of Solution
The given unbalanced equation is shown below.
Figure 1
The given unbalanced equation using chemical formula of the species interpreted from the above figure is shown below.
In order to balance any equation, equalize the atoms of every element on reactant’s and product’s side.
The number of atoms of
Similarly, the number of atoms of
The number of atoms of
In order to obtain whole number stoichiometric coefficients, multiply all stoichiometric coefficients by
Since, the number of atoms of each element is equal on both sides, therefore the above equation is balanced.
(b)
Interpretation: The given unbalanced reaction is to be balanced.
Concept introduction: Unbalanced chemical equations just reveal the species that are a part of the reaction. However, it doesn’t give any information regarding their relative amounts needed to satisfy low of mass conservation. This is reason why equations must actually be balanced. Balance reactions are characterized by balanced mass along with charge on both sides.
(b)

Answer to Problem 67E
The balanced equation is shown below.
Explanation of Solution
The given unbalanced equation is shown below.
Figure 2
The given unbalanced equation using chemical formula of the species interpreted from the above figure is shown below.
In order to balance any equation, equalize the atoms of every element on reactant’s and product’s side.
The number of atoms of
Similarly, the number of atoms of
The number of atoms of
In order to obtain whole number stoichiometric coefficients, multiply all stoichiometric coefficients by
Since, the number of atoms of each element is equal on both sides, therefore the above equation is balanced.
(c)
Interpretation: The reaction
Concept introduction: Unbalanced chemical equations just reveal the species that are a part of the reaction. However, it doesn’t give any information regarding their relative amounts needed to satisfy low of mass conservation. This is reason why equations must actually be balanced. Balance reactions are characterized by balanced mass along with charge on both sides.
(c)

Answer to Problem 67E
The balanced equation is shown below.
Explanation of Solution
The given unbalanced equation is shown below.
In order to balance any equation, equalize the atoms of every element on reactant’s and product’s side.
The number of atoms of
Similarly, the number of atoms of
The number of atoms of
Since, the number of atoms of each element is equal on both sides, therefore the above equation is balanced.
(d)
Interpretation: The reaction
Concept introduction: Unbalanced chemical equations just reveal the species that are a part of the reaction. However, it doesn’t give any information regarding their relative amounts needed to satisfy low of mass conservation. This is reason why equations must actually be balanced. Balance reactions are characterized by balanced mass along with charge on both sides.
(d)

Answer to Problem 67E
The balanced equation is shown below.
Explanation of Solution
The given unbalanced equation is shown below.
In order to balance any equation, equalize the atoms of every element on reactant’s and product’s side.
The number of atoms of
Similarly, the number of atoms of
Since, the number of atoms of each element is equal on both sides, therefore the above equation is balanced.
(e)
Interpretation: The reaction
Concept introduction: Unbalanced chemical equations just reveal the species that are a part of the reaction. However, it doesn’t give any information regarding their relative amounts needed to satisfy low of mass conservation. This is reason why equations must actually be balanced. Balance reactions are characterized by balanced mass along with charge on both sides.
(e)

Answer to Problem 67E
The balanced equation is shown below.
Explanation of Solution
The given unbalanced equation is shown below.
In order to balance any equation, equalize the atoms of every element on reactant’s and product’s side.
The number of atoms of
Similarly, the number of atoms of
Since, the number of atoms of each element is equal on both sides, therefore the above equation is balanced.
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Chapter 3 Solutions
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