(a) Interpretation: Whether the statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true or false is to be stated. Concept introduction: Solutions of substances in which the ions are the conducting species are called electrolytes. The ionization depends on the nature of the substance. Some substances are more ionized in solution and conduct more electricity. Other substances are ionized to a lesser extent and conduct less electricity. The ability of a solution to conduct electricity depends on the number of ions present in the solution.

Question

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Answer 1

Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

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Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

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Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

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Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Explanation of Solution

Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Answer 6

Chapter 9, Problem 80E

Interpretation Introduction

(a)

Interpretation:

Whether the statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true or false is to be stated.

Concept introduction:

Solutions of substances in which the ions are the conducting species are called electrolytes. The ionization depends on the nature of the substance. Some substances are more ionized in solution and conduct more electricity. Other substances are ionized to a lesser extent and conduct less electricity. The ability of a solution to conduct electricity depends on the number of ions present in the solution.

Expert Solution

Answer to Problem 80E

The statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Explanation of Solution

Strong electrolytes produce more number of ions in the solution and are good conductors of electricity. Weak electrolytes produce less number of ions in the solution and are bad conductors of electricity. Therefore, the statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Conclusion

The statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Answer 7

Chapter 9, Problem 80E

Interpretation Introduction

(a)

Interpretation:

Whether the statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true or false is to be stated.

Concept introduction:

Solutions of substances in which the ions are the conducting species are called electrolytes. The ionization depends on the nature of the substance. Some substances are more ionized in solution and conduct more electricity. Other substances are ionized to a lesser extent and conduct less electricity. The ability of a solution to conduct electricity depends on the number of ions present in the solution.

Answer 8

Expert Solution

Answer to Problem 80E

The statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

Strong electrolytes produce more number of ions in the solution and are good conductors of electricity. Weak electrolytes produce less number of ions in the solution and are bad conductors of electricity. Therefore, the statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Answer 13

Conclusion

The statement, “The solution of a weak electrolyte is a poor conductor of electricity” is true.

Answer 14

Interpretation Introduction

(b)

Interpretation:

Whether the statement, “Ions must be present if a solution conducts electricity” is true or false is to be stated.

Concept introduction:

Solutions of substances in which the ions are the conducting species are called electrolytes. The ionization depends on the nature of the substance. Some substances are more ionized in solution and conduct more electricity. Other substances are ionized to a lesser extent and conduct less electricity. The ability of a solution to conduct electricity depends on the number of ions present in the solution.

Expert Solution

Answer to Problem 80E

The statement, “Ions must be present if a solution conducts electricity” is true.

Explanation of Solution

Solid ionic compound is formed by positive and negative ions which are held in a fixed position. When this compound is dissolved in water, the ions become free to move and conduct electricity. Therefore, the statement, “Ions must be present if a solution conducts electricity” is true.

Conclusion

The statement, “Ions must be present if a solution conducts electricity” is true.

Answer 15

Interpretation Introduction

(b)

Interpretation:

Whether the statement, “Ions must be present if a solution conducts electricity” is true or false is to be stated.

Concept introduction:

Solutions of substances in which the ions are the conducting species are called electrolytes. The ionization depends on the nature of the substance. Some substances are more ionized in solution and conduct more electricity. Other substances are ionized to a lesser extent and conduct less electricity. The ability of a solution to conduct electricity depends on the number of ions present in the solution.

Answer 16

Expert Solution

Answer to Problem 80E

The statement, “Ions must be present if a solution conducts electricity” is true.

Answer 17

Expert Solution

Answer 18

Expert Solution

Answer 19

Expert Solution

Answer 20

Explanation of Solution

Solid ionic compound is formed by positive and negative ions which are held in a fixed position. When this compound is dissolved in water, the ions become free to move and conduct electricity. Therefore, the statement, “Ions must be present if a solution conducts electricity” is true.

Answer 21

Conclusion

The statement, “Ions must be present if a solution conducts electricity” is true.

Answer 22

Interpretation Introduction

(c)

Interpretation:

Whether the statement, “Ions are the major species in a solution of a soluble ionic compound” is true or false is to be stated.

Concept introduction:

Ionic compounds are made up of equal number of positive and negative ions held together at fixed positions. They have high melting points and are good conductors of electricity.

Expert Solution

Answer to Problem 80E

The statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Explanation of Solution

Solid ionic compound is formed by positive and negative ions held together at fixed positions. When an ionic compound is dissolved in water, the ions become free to move. Therefore, ions are the major species in a solution of a soluble ionic compound. Therefore, the statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Conclusion

The statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Answer 23

Interpretation Introduction

(c)

Interpretation:

Whether the statement, “Ions are the major species in a solution of a soluble ionic compound” is true or false is to be stated.

Concept introduction:

Ionic compounds are made up of equal number of positive and negative ions held together at fixed positions. They have high melting points and are good conductors of electricity.

Answer 24

Expert Solution

Answer to Problem 80E

The statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Answer 25

Expert Solution

Answer 26

Expert Solution

Answer 27

Expert Solution

Answer 28

Explanation of Solution

Solid ionic compound is formed by positive and negative ions held together at fixed positions. When an ionic compound is dissolved in water, the ions become free to move. Therefore, ions are the major species in a solution of a soluble ionic compound. Therefore, the statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Answer 29

Conclusion

The statement, “Ions are the major species in a solution of a soluble ionic compound” is true.

Answer 30

Interpretation Introduction

(d)

Interpretation:

Whether the statement, “There are no ions present in the solution of a weak acid” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Expert Solution

Answer to Problem 80E

The statement, “There are no ions present in the solution of a weak acid” is false.

Explanation of Solution

A weak acid undergoes slight ionization in solution. The major species present in a solution of weak acid is the unionized molecular species. However some ions are present as minor species. Therefore, the statement, “There are no ions present in the solution of a weak acid” is false.

Conclusion

The statement, “There are no ions present in the solution of a weak acid” is false.

Answer 31

Interpretation Introduction

(d)

Interpretation:

Whether the statement, “There are no ions present in the solution of a weak acid” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Answer 32

Expert Solution

Answer to Problem 80E

The statement, “There are no ions present in the solution of a weak acid” is false.

Answer 33

Expert Solution

Answer 34

Expert Solution

Answer 35

Expert Solution

Answer 36

Explanation of Solution

A weak acid undergoes slight ionization in solution. The major species present in a solution of weak acid is the unionized molecular species. However some ions are present as minor species. Therefore, the statement, “There are no ions present in the solution of a weak acid” is false.

Answer 37

Conclusion

The statement, “There are no ions present in the solution of a weak acid” is false.

Answer 38

Interpretation Introduction

(e)

Interpretation:

Whether the statement, “Only seven "important" acids are weak” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Expert Solution

Answer to Problem 80E

The statement, “Only seven "important" acids are weak” is false.

Explanation of Solution

Only seven acids are accepted as strong acids. They are: nitric acid, sulfuric acid, hydrochloric acid, hydrobromic acid, hydroiodic acid, chloric acid and perchloric acid. All the rest of the acids are weak. Therefore, the statement, “Only seven "important" acids are weak” is false.

Conclusion

The statement, “Only seven "important" acids are weak” is false.

Answer 39

Interpretation Introduction

(e)

Interpretation:

Whether the statement, “Only seven "important" acids are weak” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Answer 40

Expert Solution

Answer to Problem 80E

The statement, “Only seven "important" acids are weak” is false.

Answer 41

Expert Solution

Answer 42

Expert Solution

Answer 43

Expert Solution

Answer 44

Explanation of Solution

Only seven acids are accepted as strong acids. They are: nitric acid, sulfuric acid, hydrochloric acid, hydrobromic acid, hydroiodic acid, chloric acid and perchloric acid. All the rest of the acids are weak. Therefore, the statement, “Only seven "important" acids are weak” is false.

Answer 45

Conclusion

The statement, “Only seven "important" acids are weak” is false.

Answer 46

Interpretation Introduction

(f)

Interpretation:

Whether the statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Expert Solution

Answer to Problem 80E

The statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Explanation of Solution

Hydrofluoric acid is a corrosive acid, but it is not included in the list of the seven strong acids. Therefore, it is not a strong acid. Therefore, the statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Conclusion

The statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Answer 47

Interpretation Introduction

(f)

Interpretation:

Whether the statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is true or false is to be stated.

Concept introduction:

Acids are compounds which release a proton or hydrogen ion when present in a solution. Acids are classified as strong or weak on the basis of extent of their ionization.

Answer 48

Expert Solution

Answer to Problem 80E

The statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Answer 49

Expert Solution

Answer 50

Expert Solution

Answer 51

Expert Solution

Answer 52

Explanation of Solution

Hydrofluoric acid is a corrosive acid, but it is not included in the list of the seven strong acids. Therefore, it is not a strong acid. Therefore, the statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Answer 53

Conclusion

The statement, “Hydrofluoric acid, which is used to etch glass, is a strong acid” is false.

Answer 54

Interpretation Introduction

(g)

Interpretation:

Whether the statement, “Spectators are included in a net ionic equation” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow.

Expert Solution

Answer to Problem 80E

The statement, “Spectators are included in a net ionic equation” is false.

Explanation of Solution

A net ionic equation indicates the exact chemical change that occurs during a reaction. Spectator ions are the ions which do not undergo any change during the reaction. Therefore, they are not included in the net ionic equation. Therefore, the statement, “Spectators are included in a net ionic equation” is false.

Conclusion

The statement, “Spectators are included in a net ionic equation” is false.

Answer 55

Interpretation Introduction

(g)

Interpretation:

Whether the statement, “Spectators are included in a net ionic equation” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow.

Answer 56

Expert Solution

Answer to Problem 80E

The statement, “Spectators are included in a net ionic equation” is false.

Answer 57

Expert Solution

Answer 58

Expert Solution

Answer 59

Expert Solution

Answer 60

Explanation of Solution

A net ionic equation indicates the exact chemical change that occurs during a reaction. Spectator ions are the ions which do not undergo any change during the reaction. Therefore, they are not included in the net ionic equation. Therefore, the statement, “Spectators are included in a net ionic equation” is false.

Answer 61

Conclusion

The statement, “Spectators are included in a net ionic equation” is false.

Answer 62

Interpretation Introduction

(h)

Interpretation:

Whether the statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow.

Expert Solution

Answer to Problem 80E

The statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Explanation of Solution

Elements are in zero oxidation state and have no counter ions to exchange with the other reactant. In an ionic equation, the elements in zero oxidation state undergo oxidation or reduction to form respective ions. At the same time, the positive ions accept or lose electrons to undergo oxidation or reduction. Therefore, it is a single replacement redox reaction. Therefore, the statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Conclusion

The statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Answer 63

Interpretation Introduction

(h)

Interpretation:

Whether the statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow.

Answer 64

Expert Solution

Answer to Problem 80E

The statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Answer 65

Expert Solution

Answer 66

Expert Solution

Answer 67

Expert Solution

Answer 68

Explanation of Solution

Elements are in zero oxidation state and have no counter ions to exchange with the other reactant. In an ionic equation, the elements in zero oxidation state undergo oxidation or reduction to form respective ions. At the same time, the positive ions accept or lose electrons to undergo oxidation or reduction. Therefore, it is a single replacement redox reaction. Therefore, the statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Answer 69

Conclusion

The statement, “A net ionic equation for a reaction between an element and an ion is the equation for a single-replacement redox reaction” is true.

Answer 70

Interpretation Introduction

(i)

Interpretation:

Whether the statement, “A compound that is insoluble forms a precipitate when its ions are combined” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed is an insoluble compound, the reaction is termed as precipitation reaction.

Expert Solution

Answer to Problem 80E

The statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Explanation of Solution

Insoluble compounds do not ionize in water. For the formation of precipitate, the combination of ions is necessary. Therefore, only a soluble compound can form a precipitate. Therefore, the statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Conclusion

The statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Answer 71

Interpretation Introduction

(i)

Interpretation:

Whether the statement, “A compound that is insoluble forms a precipitate when its ions are combined” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed is an insoluble compound, the reaction is termed as precipitation reaction.

Answer 72

Expert Solution

Answer to Problem 80E

The statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Answer 73

Expert Solution

Answer 74

Expert Solution

Answer 75

Expert Solution

Answer 76

Explanation of Solution

Insoluble compounds do not ionize in water. For the formation of precipitate, the combination of ions is necessary. Therefore, only a soluble compound can form a precipitate. Therefore, the statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Answer 77

Conclusion

The statement, “A compound that is insoluble forms a precipitate when its ions are combined” is false.

Answer 78

Interpretation Introduction

(j)

Interpretation:

Whether the statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed is an insoluble compound, the reaction is termed as precipitation reaction. If the product formed, does not ionize, it is termed as molecule-formation reaction. Double replacement reactions are those in which exchange of cations and anions of both the reactants takes place. In it the ions appear to change partners.

Expert Solution

Answer to Problem 80E

The statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Explanation of Solution

In precipitation reaction, the cation of one of the reactant reacts with the anion of the other reactant and vice-a-versa to form an insoluble compound. In molecular formation reactions, the exchange of cations and anions between reactants takes place to form a molecular product which does not ionize. Therefore, they both are double replacement conventional equations. Therefore, the statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Conclusion

The statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Answer 79

Interpretation Introduction

(j)

Interpretation:

Whether the statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed is an insoluble compound, the reaction is termed as precipitation reaction. If the product formed, does not ionize, it is termed as molecule-formation reaction. Double replacement reactions are those in which exchange of cations and anions of both the reactants takes place. In it the ions appear to change partners.

Answer 80

Expert Solution

Answer to Problem 80E

The statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Answer 81

Expert Solution

Answer 82

Expert Solution

Answer 83

Expert Solution

Answer 84

Explanation of Solution

In precipitation reaction, the cation of one of the reactant reacts with the anion of the other reactant and vice-a-versa to form an insoluble compound. In molecular formation reactions, the exchange of cations and anions between reactants takes place to form a molecular product which does not ionize. Therefore, they both are double replacement conventional equations. Therefore, the statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Answer 85

Conclusion

The statement, “Precipitation and molecule-formation reactions are both ion-combination reactions having double-replacement conventional equations” is true.

Answer 86

Interpretation Introduction

(k)

Interpretation:

Whether the statement, “Neutralization is a special case of a molecule-formation reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Expert Solution

Answer to Problem 80E

The statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. In a neutralization reaction, the molecular compound formed is always water. Weak acid is not formed in a neutralization reaction. Therefore, neutralization is a special case of molecule-formation reaction in which product is always water. Therefore, the statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Conclusion

The statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Answer 87

Interpretation Introduction

(k)

Interpretation:

Whether the statement, “Neutralization is a special case of a molecule-formation reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Answer 88

Expert Solution

Answer to Problem 80E

The statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Answer 89

Expert Solution

Answer 90

Expert Solution

Answer 91

Expert Solution

Answer 92

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. In a neutralization reaction, the molecular compound formed is always water. Weak acid is not formed in a neutralization reaction. Therefore, neutralization is a special case of molecule-formation reaction in which product is always water. Therefore, the statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Answer 93

Conclusion

The statement, “Neutralization is a special case of a molecule-formation reaction” is true.

Answer 94

Interpretation Introduction

(l)

Interpretation:

Whether the statement, “One product of a molecule-formation reaction is a strong acid” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Expert Solution

Answer to Problem 80E

The statement, “One product of a molecule-formation reaction is a strong acid” is false.

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. So, strong acid is not formed as a product of molecule-formation reaction. Therefore, the statement, “One product of a molecule-formation reaction is a strong acid” is false.

Conclusion

The statement, “One product of a molecule-formation reaction is a strong acid” is false.

Answer 95

Interpretation Introduction

(l)

Interpretation:

Whether the statement, “One product of a molecule-formation reaction is a strong acid” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Answer 96

Expert Solution

Answer to Problem 80E

The statement, “One product of a molecule-formation reaction is a strong acid” is false.

Answer 97

Expert Solution

Answer 98

Expert Solution

Answer 99

Expert Solution

Answer 100

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. So, strong acid is not formed as a product of molecule-formation reaction. Therefore, the statement, “One product of a molecule-formation reaction is a strong acid” is false.

Answer 101

Conclusion

The statement, “One product of a molecule-formation reaction is a strong acid” is false.

Answer 102

Interpretation Introduction

(m)

Interpretation:

Whether the statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Expert Solution

Answer to Problem 80E

The statement, “One Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. The product formed in molecule formation reaction does not ionize. Ammonium hydroxide is a salt and therefore, it can undergo complete ionization. Therefore, it cannot be a possible product of molecule-formation reaction.. Therefore, the statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Conclusion

The statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Answer 103

Interpretation Introduction

(m)

Interpretation:

Whether the statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Answer 104

Expert Solution

Answer to Problem 80E

The statement, “One Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Answer 105

Expert Solution

Answer 106

Expert Solution

Answer 107

Expert Solution

Answer 108

Explanation of Solution

In molecular formation reactions, the product formed is either water or a weak acid. The product formed in molecule formation reaction does not ionize. Ammonium hydroxide is a salt and therefore, it can undergo complete ionization. Therefore, it cannot be a possible product of molecule-formation reaction.. Therefore, the statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Answer 109

Conclusion

The statement, “Ammonium hydroxide is a possible product of a molecule-formation reaction” is false.

Answer 110

Interpretation Introduction

(n)

Interpretation:

Whether the statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Expert Solution

Answer to Problem 80E

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Explanation of Solution

Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Conclusion

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Answer 111

Interpretation Introduction

(n)

Interpretation:

Whether the statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true or false is to be stated.

Concept introduction:

Chemical reactions are represented by chemical equations. In a chemical equation, the reactants are represented on the left of the arrow while the products are represented on the right of the arrow. If the product formed, does not ionize, it is termed as molecule-formation reaction.

Answer 112

Expert Solution

Answer to Problem 80E

The statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.

Answer 113

Expert Solution

Answer 114

Expert Solution

Answer 115

Expert Solution

Answer 116

Explanation of Solution

Substances are said to burn when they react with atmospheric oxygen completely to produce carbon dioxide and water. Carbon containing organic compounds reacts with the oxygen to form carbon dioxide. Therefore, statement, “Carbon is changed to carbon dioxide when a carbon-containing compound burns completely” is true.