
Concept explainers
(a)
Interpretation: The balanced chemical equation for the given
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(a)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to H2 thus, the balanced chemical reaction will be as follows:
(b)
Interpretation: The balanced chemical equation for the given chemical reaction of potassium nitrate and potassium metal needs to be determined.
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(b)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to KNO3, 10 to K and 6 to K2O, balanced chemical reaction will be as follows:
(c)
Interpretation: The balanced chemical equation for the given chemical reaction of aqueous sulfuric acid and aqueous sodium cyanide needs to be determined.
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(c)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to NaCN and 2 to HCN, balanced chemical reaction will be as follows:
(d)
Interpretation: The balanced chemical equation for the given chemical reaction of phosphoric acid and calcium hydroxide needs to be determined.
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(d)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to H3PO4, 3 to Ca(OH)2 and 6 to H2O, thus, the balanced chemical reaction will be as follows:
(e)
Interpretation: The balanced chemical equation for the given chemical reaction of propane and oxygen gas needs to be determined.
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(e)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 5 to O2, 3to CO2 and 4 to H2O thus, the balanced chemical equation will be:
(f)
Interpretation: The balanced chemical equation for the given chemical reaction of hydrogen sulfide and oxygen gas needs to be determined
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(f)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to H2S, 3to O2, 2 to SO2 and 2 to H2O thus, the balanced chemical equation will be:
(g)
Interpretation: The balanced chemical equation for the given chemical reaction of hydrogen and oxygen gas needs to be determined.
Concept Introduction:
The chemical reaction must be balanced such that it agrees with the law of mass conservation. A balanced chemical equation arises when the number of atoms or ions of the reactant side equals the number of atoms or ions of the product side.
(g)

Answer to Problem C13.4RE
The balanced chemical equation is:
Explanation of Solution
The unbalanced chemical reaction is as follows:
To balance the above reaction, give coefficient 2 to H2and 2 to H2O thus, the balanced chemical equation will be:
Chapter U4 Solutions
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