Study Guide with Student Solutions Manual for Seager/Slabaugh/Hansen's Chemistry for Today: General, Organic, and Biochemistry, 9th Edition
Study Guide with Student Solutions Manual for Seager/Slabaugh/Hansen's Chemistry for Today: General, Organic, and Biochemistry, 9th Edition
9th Edition
ISBN: 9781305968608
Author: Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher: Cengage Learning
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Chapter 5, Problem 5.7E

Balance the following equations:

a. Li 3 N ( s ) Li ( s ) + N 2 ( g )

b. Cu 2 O ( s ) + O 2 ( g ) CuO ( s )

c. Zn ( s ) + HNO 3 ( aq ) Zn ( NO 3 ) 2 ( aq ) + H 2 ( g )

d. K 2 SO 4 ( aq ) + BaCl 2 ( aq ) BaSO 4 ( s ) + KCl ( aq )

e. dinitrogen monoxide nitrogen + oxygen

f. dinitrogen pentoxide nitrogen dioxide + oxygen

g. P 4 O 10 ( s ) + H 2 O ( l ) H 4 P 2 O 7 ( aq )

h. CaCO 3 ( s ) + HCl ( aq ) CaCl 2 ( aq ) + H 2 O ( l ) + CO 2 ( g )

Expert Solution
Check Mark
Interpretation Introduction

(a)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is 2Li3N(s)6Li(s)+N2(g).

Explanation of Solution

The given reaction is shown below.

Li3N(s)Li(s)+N2(g)

The given reaction contains three atoms of lithium and one atom of nitrogen on the left hand side. While on the right hand side, it contains one atom of lithium and two atoms of nitrogen. Therefore, the coefficient of 2 must be placed before Li3N and 6 must be placed before Li to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

2Li3N(s)6Li(s)+N2(g)

Conclusion

The balanced equation is 2Li3N(s)6Li(s)+N2(g).

Expert Solution
Check Mark
Interpretation Introduction

(b)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is 4Cu2O(s)+2O2(g)8CuO(s).

Explanation of Solution

The given reaction is shown below.

Cu2O(s)+O2(g)CuO(s)

The given reaction contains two atoms of copper and three atoms of oxygen on the left hand side. While on the right hand side, it contains one atom of copper and one atom of oxygen. Therefore, the coefficient of 2 must be placed before O2, 4 must be placed before Cu2O and 8 must be placed before CuO to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

4Cu2O(s)+2O2(g)8CuO(s)

Conclusion

The balanced equation is 4Cu2O(s)+2O2(g)8CuO(s).

Expert Solution
Check Mark
Interpretation Introduction

(c)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is 2Zn(s)+4HNO3(aq)2Zn(NO3)2(aq)+2H2(g).

Explanation of Solution

The given reaction is shown below.

Zn(s)+HNO3(aq)Zn(NO3)2(aq)+H2(g)

The given reaction contains one atom of zinc, one atom of hydrogen, one atom of nitrogen and three atoms of oxygen on the left side. While on the right hand side, it contains one atom of zinc, two atoms of hydrogen, two atom of nitrogen and six atoms of oxygen. Therefore, the coefficient of 2 must be placed before Zn, 4 must be placed before HNO3, 2 must be placed before Zn(NO3)2 and 2 must be placed before H2 to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

2Zn(s)+4HNO3(aq)2Zn(NO3)2(aq)+2H2(g)

Conclusion

The balanced equation is 2Zn(s)+4HNO3(aq)2Zn(NO3)2(aq)+2H2(g).

Expert Solution
Check Mark
Interpretation Introduction

(d)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balance equation is K2SO4(aq)+BaCl2(aq)BaSO4(s)+2KCl(aq).

Explanation of Solution

The given reaction is shown below.

K2SO4(aq)+BaCl2(aq)BaSO4(s)+KCl(aq)

The given reaction contains two atoms of potassium, one atom of sulfur, four atoms of oxygen, one atom barium and two atoms of chlorine on the left hand side. While on the right hand side, it contains one atom of potassium, one atom of sulfur, four atoms of oxygen, one atom barium and one atom of chlorine. Therefore, the coefficient of 2 must be placed before KCl to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

K2SO4(aq)+BaCl2(aq)BaSO4(s)+2KCl(aq)

Conclusion

The balanced equation is K2SO4(aq)+BaCl2(aq)BaSO4(s)+2KCl(aq).

Expert Solution
Check Mark
Interpretation Introduction

(e)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is 2N2O(g)2N2(g)+O2(g).

Explanation of Solution

The given reaction is shown below.

dinitrogenmonoxidenitrogen+oxygen

The given reaction can be written as follows:

N2O(g)N2(g)+O2(g)

The given reaction contains two atoms of nitrogen and one atom of oxygen on the left hand side. While on the right hand side, it contains two atoms of nitrogen and two atoms of oxygen. Therefore, the coefficient of 2 must be placed before N2O and 2 must be placed before N2 to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

2N2O(g)2N2(g)+O2(g)

Conclusion

The balance equation is 2N2O(g)2N2(g)+O2(g).

Expert Solution
Check Mark
Interpretation Introduction

(f)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is 2N2O5(g)4NO2(g)+O2(g).

Explanation of Solution

The given reaction is shown below.

dinitrogenpentoxidenitrogendioxide+oxygen

The given reaction can be written as follows:

N2O5(g)NO2(g)+O2(g)

The given reaction contains two atoms of nitrogen and five atoms of oxygen on the left hand side. While on the right hand side, it contains one atom of nitrogen and four atoms of oxygen. Therefore, the coefficient of 2 must be placed before N2O5 and 4 must be placed before NO2 to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

2N2O5(g)4NO2(g)+O2(g)

Conclusion

The balanced equation is 2N2O5(g)4NO2(g)+O2(g).

Expert Solution
Check Mark
Interpretation Introduction

(g)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balance equation is P4O10(s)+4H2O(l)2H4P2O7(aq).

Explanation of Solution

The given reaction is shown below.

P4O10(s)+H2O(l)H4P2O7(aq)

The given reaction contains four atoms of phosphorus, eleven atoms of oxygen and two atoms of hydrogen on the left hand side. While on the right hand side, it contains two atoms of phosphorus, seven atoms of oxygen and four atoms of hydrogen. Therefore, the coefficient of 2 must be placed before H4P2O7 and 4 must be placed before H2O to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

P4O10(s)+4H2O(l)2H4P2O7(aq)

Conclusion

The balanced equation is P4O10(s)+4H2O(l)2H4P2O7(aq).

Expert Solution
Check Mark
Interpretation Introduction

(h)

Interpretation:

The given equation is to be balanced.

Concept introduction:

A balanced chemical equation represents an equation in which all the reactants and products are written with their stoichiometric coefficient and physical states. The number of atoms of an element on the both sides of the equation is equal.

Answer to Problem 5.7E

The balanced equation is CaCO3(s)+2HCl(aq)CaCl2(aq)+H2O(l)+CO2(g).

Explanation of Solution

The given reaction is shown below.

CaCO3(s)+HCl(aq)CaCl2(aq)+H2O(l)+CO2(g)

The given reaction contains one atom of calcium, one atom of carbon, three atoms of oxygen, one atom of hydrogen and one atom of chlorine on the left hand side. While on the right hand side, it contains one atom of calcium, one atom of carbon, three atoms of oxygen, two atom of hydrogen and two atom of chlorine. Therefore, the coefficient of 2 must be placed before HCl to get an overall balanced chemical equation. The balanced chemical reaction is shown below.

CaCO3(s)+2HCl(aq)CaCl2(aq)+H2O(l)+CO2(g)

Conclusion

The balanced equation is CaCO3(s)+2HCl(aq)CaCl2(aq)+H2O(l)+CO2(g).

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Chapter 5 Solutions

Study Guide with Student Solutions Manual for Seager/Slabaugh/Hansen's Chemistry for Today: General, Organic, and Biochemistry, 9th Edition

Ch. 5 - Find the element with the highest oxidation number...Ch. 5 - Find the element with the highest oxidation number...Ch. 5 - For each of the following equations, indicate...Ch. 5 - For each of the following equations, indicate...Ch. 5 - Assign oxidation numbers to each element in the...Ch. 5 - Assign oxidation numbers to each element in the...Ch. 5 - The tarnish of silver objects is a coating of...Ch. 5 - Prob. 5.18ECh. 5 - Prob. 5.19ECh. 5 - Classify each of the reactions represented by the...Ch. 5 - Classify each of the reactions represented by the...Ch. 5 - Prob. 5.22ECh. 5 - Prob. 5.23ECh. 5 - Prob. 5.24ECh. 5 - Prob. 5.25ECh. 5 - Prob. 5.26ECh. 5 - Prob. 5.27ECh. 5 - Consider all of the following ionic compounds to...Ch. 5 - Consider all of the following ionic compounds to...Ch. 5 - Prob. 5.30ECh. 5 - Reactions represented by the following equations...Ch. 5 - Prob. 5.32ECh. 5 - Prob. 5.33ECh. 5 - Prob. 5.34ECh. 5 - Prob. 5.35ECh. 5 - Prob. 5.36ECh. 5 - Prob. 5.37ECh. 5 - Prob. 5.38ECh. 5 - Prob. 5.39ECh. 5 - Prob. 5.40ECh. 5 - Calculate the number of grams of SO2 that must...Ch. 5 - Calculate the mass of limestone (CaCO3) that must...Ch. 5 - Calculate the number of moles of CO2 generated by...Ch. 5 - Calculate the number of grams of bromine (Br2)...Ch. 5 - Prob. 5.45ECh. 5 - Prob. 5.46ECh. 5 - Pure titanium metal is produced by reacting...Ch. 5 - An important metabolic process of the body is the...Ch. 5 - Caproic acid is oxidized in the body as follows:...Ch. 5 - A sample of 4.00g of methane (CH4) is mixed with...Ch. 5 - Nitrogen and oxygen react as follows:...Ch. 5 - Suppose you want to use acetylene (C2H2) as a...Ch. 5 - Ammonia, carbon dioxide, and water vapor react to...Ch. 5 - Prob. 5.55ECh. 5 - The actual yield of a reaction was 11.74g of...Ch. 5 - A product weighing 14.37g was isolated from a...Ch. 5 - Prob. 5.58ECh. 5 - A sample of calcium metal with a mass of 2.00g was...Ch. 5 - Upon heating, mercury (II) oxide undergoes a...Ch. 5 - Prob. 5.61ECh. 5 - Rewrite the following word equation using chemical...Ch. 5 - The element with an electron configuration of...Ch. 5 - Assuming a 100 reaction yield, it was calculated...Ch. 5 - The decomposition of a sample of a compound...Ch. 5 - Prob. 5.66ECh. 5 - Prob. 5.67ECh. 5 - Prob. 5.68ECh. 5 - Prob. 5.69ECh. 5 - Prob. 5.70ECh. 5 - Certain vegetables and fruits, such as potatoes...Ch. 5 - In an ordinary flashlight battery, an oxidation...Ch. 5 - Prob. 5.73ECh. 5 - Prob. 5.74ECh. 5 - Which of the following equations is balanced? a....Ch. 5 - Prob. 5.76ECh. 5 - Prob. 5.77ECh. 5 - What is the oxidation number of sodium in the...Ch. 5 - Prob. 5.79ECh. 5 - Prob. 5.80ECh. 5 - Prob. 5.81ECh. 5 - Prob. 5.82ECh. 5 - Prob. 5.83ECh. 5 - Which of the following species is being oxidized...Ch. 5 - Identify the oxidizing agent and the reducing...Ch. 5 - Prob. 5.86ECh. 5 - Identify the following as an oxidation, a...Ch. 5 - Prob. 5.88ECh. 5 - Prob. 5.89ECh. 5 - Prob. 5.90ECh. 5 - What is the net ionic equation of the following...Ch. 5 - Prob. 5.92ECh. 5 - Prob. 5.93ECh. 5 - The number of grams of hydroegn formed by the...Ch. 5 - In the reaction CaCl2+Na2CO3CaCO3+2NaCl, if...Ch. 5 - Prob. 5.96E
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