
(a)
Interpretation:
The balanced chemical equation needs to be determined when sodium iodide reacts with phosphoric acid.
Concept Introduction :
An exchange of positive ions between the two aqueous solutions AB + CD which results in CB + AD is the general form of the double replacement reaction.
(a)

Answer to Problem 59A
The balanced chemical equation is
Explanation of Solution
Step 1:
When sodium iodide
Here
Step 2:
As the equation is unbalanced, since there are 3 H on the left side and 1 H on the right side, so, coefficient 3 is put in front of HI and the balanced equation will be:
(b)
Interpretation:
The balanced chemical equation needs to be determined when potassium oxide reacts with water.
Concept Introduction :
A reaction in which a single product is formed when multiple reactants are combined is called a combination reaction.
(b)

Answer to Problem 59A
The balanced chemical equation is
Explanation of Solution
When potassium oxide reacts with water then the equation is
This is an unbalanced equation since there are 2 K on the left and 1 K on the right, so, the coefficients are adjusted so that there are the same number of reactants and products on both sides to form a single compound.
A coefficient of 2 is put in front of KOH to make a balance equation.
Hence, the balanced chemical equation is
(c)
Interpretation:
The balanced chemical equation needs to be determined when sulfuric acid is heated, and it produces water, oxygen, and sulfur dioxide.
Concept Introduction :
A
(c)

Answer to Problem 59A
The balanced chemical equation is
Explanation of Solution
When sulfuric acid is heated, it produces water, oxygen, and sulfur dioxide, then the equation is
Hence, the balanced chemical equation is
(d)
Interpretation:
The balanced chemical equation needs to be determined when aluminum reacts with sulfuric acid.
Concept Introduction :
A chemical reaction where two or more products are given by one reactant is called a decomposition reaction and the general form of such reaction is
(d)

Answer to Problem 59A
The balanced chemical equation is
Explanation of Solution
When aluminum reacts with sulfuric acid, then the equation is
Hence, the balanced chemical equation is
(e)
Interpretation:
The balanced chemical equation needs to be determined when pentane
Concept Introduction :
A chemical reaction where two or more products are given by one reactant is called a decomposition reaction and the general form of such reaction is
(e)

Answer to Problem 59A
The balanced chemical equation is
Explanation of Solution
When pentane reacts with oxygen, then the equation is
Hence, the balanced chemical equation is
Chapter 11 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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