Concept explainers
(a)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced
Answer to Problem 43QAP
Explanation of Solution
The provided reaction is:
In the given equation if we place a coefficient of 2 before KO2 and coefficient 2 to theH2 O that is on the reactant side, and coefficient 2 is added on the product side of KOH, then the atoms are balanced with two potassium, six oxygen atom and four hydrogen atoms giving the balanced equation.
(b)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The given unbalanced equation is:
We start with elements of
(c)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The given unbalanced equation is:
We start by balancingNH3. If we place a coefficient 4 before NH3, coefficient5 before O2, coefficient 4 before NO and coefficient 6 before H2 O, then we have four nitrogen atoms, twelve hydrogen atoms, and ten oxygen atoms forming the balanced equation. Thus, the balanced chemical reaction will be as follows:
(d)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The provided equation is:
The most complicated molecule is
(e)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The provided equation is:
The most complicated molecule is
(f)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The provided reaction is:
If we place a coefficient of 2 before CaO and CaC2 we get,
We place a coefficient of 5 before C. Now, we have a balanced equation.
(g)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The provided reaction is:
If we place a coefficient of 4 before SO2 and 2 before MoS2, we get:
By placing a coefficient of 2 before MoO3 and 7 before O2, we have a balanced equation.
(h)
Interpretation:
The given chemical equation is to be balanced.
Concept Introduction:
In a balanced chemical reaction, the number of similar type of elements on both sides of the reaction is equal. To balance an unbalanced equation, the coefficients that are present before the compounds are changed but the subscripts in the formulas are not changed.
Answer to Problem 43QAP
Explanation of Solution
The provided reaction is:
We see that all the atoms are balanced. Hence, we have a balanced equation.
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Chapter 6 Solutions
Introductory Chemistry: A Foundation
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