
Concept explainers
(a)
Interpretation:
The given equation has to be balanced.
The equation is,
(a)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Carbon is balanced. Manganese and oxygen are not balanced.
Place the coefficient 2 in front of
Each side has 2 manganese atoms, one carbon atom and five oxygen atoms.
(b)
Interpretation:
The given equation has to be balanced.
The equation is,
(b)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Carbon and oxygen are balanced. Copper is unbalanced.
Place the coefficient 2 before
The balanced equation is,
Each side has two copper atoms, one oxygen atom and one carbon atom.
(c)
Interpretation:
The given equation has to be balanced.
The equation is,
(c)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
All the atoms are unbalanced.
Place the coefficient 4 before
Place the coefficient 4 before
Place the coefficient 4 before
Place the coefficient 4 before
The balanced equation is,
(d)
Interpretation:
The given equation has to be balanced.
The equation is,
(d)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Place the coefficient 4 before
Place the coefficient 4 before
Place the coefficient 7 before
The balanced equation is,
Each side has 4 iron atoms, 4 sulfur atoms and 14 oxygen atoms.
(e)
Interpretation:
The given equation has to be balanced.
The equation is,
(e)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Place the coefficient 2 before
Place the coefficient 2 before
Place the coefficient 2 before
The balanced equation is,
Each side has 2 copper atoms, 4 nitrogen atoms and 12 oxygen atoms.
(f)
Interpretation:
The given equation has to be balanced.
The equation is,
(f)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Place the coefficient 3 before
Place the coefficient 2 before
Place the coefficient 2 before
The balanced equation is,
Each side has 3 nitrogen atoms, two hydrogen atoms and seven oxygen atoms.
(g)
Interpretation:
The given equation has to be balanced.
The equation is,
(g)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Place the coefficient 2 before
Place the coefficient 3 before
The balanced equation is,
Each side has two iron atoms and three sulfur atoms.
(h)
Interpretation:
The given equation has to be balanced.
The equation is,
(h)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Place the coefficient 4 before
Place the coefficient 4 before
Place the coefficient 4 before
Place the coefficient 5 before
The balanced equation is,
Each side has 4 carbons, 4 nitrogen atoms, 4 carbons atoms and ten oxygen atoms.
(i)
Interpretation:
The given equation has to be balanced.
The equation is,
(i)

Answer to Problem 9PE
The balanced equation is,
Explanation of Solution
The given equation is,
Boron atoms are balanced by placing the coefficient 2 before
Hydrogen atoms are balanced by placing the coefficient 2 before
Oxygen atoms are balanced by placing the coefficient 12 before
The balanced equation is,
Each side has ten boron atoms, eighteen hydrogen atoms and twenty-four oxygen atoms.
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Chapter 8 Solutions
FOUND.OF COLLEGE CHEMISTRY
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