Introduction To General, Organic, And Biochemistry
Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 8, Problem 110P

(a)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of aqueous solution of nitric acid and solid barium oxide needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(a)

Expert Solution
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Explanation of Solution

According to question, nitric acid reacts with solid barium oxide. The chemical equation can be represneted as follows:

2HNO3(aq)+BaO(s)Ba(NO3)2(aq)+H2O(l)

Since, all nitrates are soluble thus, Ba(NO3)2 will be soluble in water.

The ionic equation can be represneted as follows:

2H+(aq)+2NO3(aq)+BaO(s)Ba2+(aq)+2NO3(aq)+H2O(l)

Here, 2NO3(aq) are on both sides of the reaction arrow thus, the net ionic equation can be represneted as follows:

2H+(aq)+BaO(s)Ba2+(aq)+H2O(l)

Thus, the above equation is balanced net ionic equation.

(b)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of aqueous solution of calcium bicarbonate and hydrobromic acid needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(b)

Expert Solution
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Explanation of Solution

The reaction between calcium bicarbonate and hydrobromic acid is represneted as follows:

Ca(HCO3)2(aq)+2HBr(aq)CaBr2(s)+2H2CO3(aq)

As per the solubility rule, all common chlorides, bromides, and iodides are soluble except AgCl, Hg2Cl2, PbCl2, AgBr, Hg2Br2, PbBr2, AgI, Hg2I2, PbI2 thus, CaBr2 is insoluble in water. Also, all carbonates are insoluble except those of ammonium ion and Group 1A (the alkali metal) cations thus, hydrogen carbonate is soluble in water.

The above equation can be rewritten as follows:

Ca2+(aq)+2HCO3(aq)+2H+(aq)+2Br(aq)CaBr2(s)+2H+(aq)+2HCO3(aq)

Cancel the ions which are on both sides of the reaction arrow:

Ca2+(aq)+2Br(aq)CaBr2(s)

Therefore, the above reaction is balanced net ionic equation.

(c)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the burning of acetylene needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(c)

Expert Solution
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Explanation of Solution

The equation for burning of acetylene is represented as follows:

C2H2(g)+O2(g)CO2(g)+H2O(g)

The above reaction can be balanced as follows:

C2H2(g)+52O2(g)2CO2(g)+H2O(g)

Or,

2C2H2(g)+5O2(g)4CO2(g)+2H2O(g)

All the species are in gaseous state thus, ionic equation is not possible for the above reaction.

(d)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of aluminum sulfate and sodium hydroxide needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(d)

Expert Solution
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Explanation of Solution

The equation for the above reaction is represneted as follows:

Al2(SO4)3(aq)+NaOH(aq)Na2SO4(s)+Al(OH)3(s)

As per the solubility rule, most sulfates are soluble except CaSO4 , SrSO4 , BaSO4 , PbSO4 thus, Na2SO4 is insoluble in water.

Also, all hydroxides are insoluble except those of ammonium ion and Group 1A (the alkali metal) cations. Thus, Al(OH)3 is insoluble in water.

The ionic equation can be represented s follows:

2Al3+(aq)+3SO42(aq)+Na+(aq)OH(aq)Na2SO4(s)+Al(OH)3(s)

Thus, the above reaction is balanced net ionic equation.

(e)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of solid zinc strips and dilute sulfuric acid needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(e)

Expert Solution
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Explanation of Solution

The reaction is represneted as follows:

Zn(s)+H2SO4(aq)ZnSO4(aq)+H2(g)

According to solubility rule, most sulfates are soluble except CaSO4 , SrSO4 , BaSO4 , PbSO4 thus, Na2SO4 is insoluble in water. Thus, ZnSO4 is soluble in water. The above reaction will be:

Zn(s)+2H+(aq)+SO42(aq)Zn2+(aq)+SO42(aq)+H2(g)

The balanced net ionic equation can be represented as follows:

Zn(s)+2H+(aq)Zn2+(aq)+H2(g)

(f)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of aqueous solution of magnesium chloride and silver nitrate needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(f)

Expert Solution
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Explanation of Solution

The equation for the given reaction is represneted as follows:

MgCl2(aq)+2AgNO3(aq)Mg(NO3)2(aq)+2AgCl(s)

According to the solubility rule, all nitrates are soluble thus, magnesium nitrate is soluble. Also, all common chlorides, bromides, and iodides are soluble except AgCl, Hg2Cl2, PbCl2, AgBr, Hg2Br2, PbBr2, AgI, Hg2I2, PbI2 thus, AgCl is insoluble in water.

The above equation can be converted into ionic equation as follows:

Mg2+(aq)+2Cl(aq)+2Ag+(aq)+2NO3(aq)Mg2+(aq)+2NO3(aq)+2AgCl(s)

For the above reaction, net ionic equation will be:

2Cl(aq)+2Ag+(aq)2AgCl(s)

Thus, the above reaction is net balanced equation.

(g)

Interpretation Introduction

Interpretation: The balanced net ionic equation for the reaction of solid potassium and lithium nitrate needs to be determined.

Concept Introduction: The net ionic equation is defined as a balanced chemical equation in which reactants and products in aqueous state are represneted in ionic form. The net ionic equation does not involved the spectator ions (which are on both sides of the reaction arrow as they gets cancelled out).

(g)

Expert Solution
Check Mark

Explanation of Solution

The chemical equation for the given reaction is represneted as follows:

K(s)+LiNO3(aq)KNO3(aq)+Li(s)

According to the solubility rule, all nitrates are soluble thus, potassium nitrate will be soluble in water.

The ionic equation can be represneted as follows:

K(s)+Li+(aq)+NO3(aq)K+(aq)+NO3(aq)+Li(s)

The net ionic equation will be:

K(s)+Li+(aq)K+(aq)+Li(s)

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Chapter 8 Solutions

Introduction To General, Organic, And Biochemistry

Ch. 8.11 - Problem 8-11 What is the pH of a boric acid buffer...Ch. 8.12 - Prob. 8.12QCCh. 8 - 8-13 Define (a) an Arrhenius acid and (b) an...Ch. 8 - 8-14 Write an equation for the reaction that takes...Ch. 8 - 8-15 Write an equation for the reaction that takes...Ch. 8 - 8-16 For each of the following, tell whether the...Ch. 8 - 8-17 For each of the following, tell whether the...Ch. 8 - 8-18 Which of these acids are monoprotic, which...Ch. 8 - 8-19 Define (a) a Brønsted—Lowry acid and (b) a...Ch. 8 - 8-20 Write the formula for the conjugate base of...Ch. 8 - 8-21 Write the formula for the conjugate base of...Ch. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - 8-25 Draw the acid and base reactions for the...Ch. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - 8-28 Will carbon dioxide be evolved as a gas when...Ch. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - 8-33 Write an equation for the reaction of HCI...Ch. 8 - 8-34 When a solution of sodium hydroxide is added...Ch. 8 - 8-35 Given the following values of [H3O+),...Ch. 8 - 8-36 Given the following values of [OH-],...Ch. 8 - 8-37 What is the pH of each solution given the...Ch. 8 - 8-38 What is the pH and pOH of each solution given...Ch. 8 - 8-39 What is the pH of each solution given the...Ch. 8 - Prob. 28PCh. 8 - 8-41 What is the [OH-] and pOH of each solution?...Ch. 8 - Prob. 30PCh. 8 - 8-43 What is the molarity of a solution made by...Ch. 8 - 8-44 What is the molarity of a solution made by...Ch. 8 - 8-45 Describe how you would prepare each of the...Ch. 8 - 8-46 If 25.0 mL of an aqueous solution of H2SO4...Ch. 8 - 8-47 A sample of 27.0 mL of 0.310 M NaOH is...Ch. 8 - 8-48 A 0.300 M solution of H2SO4 was used to...Ch. 8 - 8-49 A solution of NaOH base was titrated with...Ch. 8 - 8-50 The usual concentration of HCO3- ions in...Ch. 8 - 8-51 What is the end point of a titration?Ch. 8 - Prob. 40PCh. 8 - 8-53 Write equations to show what happens when, to...Ch. 8 - 8-54 Write equations to show what happens when, to...Ch. 8 - 8-55 We commonly refer to a buffer as consisting...Ch. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - 8-58 What is the connection between buffer action...Ch. 8 - Prob. 47PCh. 8 - 8-60 How is the buffer capacity affected by the...Ch. 8 - 8-61 Can 100 of 0.1 M phosphate buffer at pH 7.2...Ch. 8 - 8-62 What is the pH of a buffer solution made by...Ch. 8 - 8-63 The pH of a solution made by dissolving 1.0...Ch. 8 - Prob. 52PCh. 8 - Prob. 53PCh. 8 - Prob. 54PCh. 8 - Prob. 55PCh. 8 - 8-66 Calculate the pH of an aqueous solution...Ch. 8 - Prob. 57PCh. 8 - 8-68 If you have 100 mL of a 0.1 M buffer made of...Ch. 8 - Prob. 59PCh. 8 - Prob. 60PCh. 8 - 8-71 Explain why you do not need to know the...Ch. 8 - Prob. 62PCh. 8 - Prob. 63PCh. 8 - Prob. 64PCh. 8 - Prob. 65PCh. 8 - 8-76 (Chemical Connections 8B) Name the most...Ch. 8 - Prob. 67PCh. 8 - Prob. 68PCh. 8 - 8-79 (Chemical Connections 8D) Another form of the...Ch. 8 - Prob. 70PCh. 8 - Prob. 71PCh. 8 - 8-82 Assume that you have a dilute solution of HCI...Ch. 8 - Prob. 73PCh. 8 - Prob. 74PCh. 8 - Prob. 75PCh. 8 - 8-86 Following are three organic acids and the...Ch. 8 - 8-87 The pKavalue of barbituric acid is 5.0. If...Ch. 8 - Prob. 78PCh. 8 - Prob. 79PCh. 8 - Prob. 80PCh. 8 - Prob. 81PCh. 8 - Prob. 82PCh. 8 - 8-93 Do a 1.0 M CH3COOH solution and a 1.0 M HCI...Ch. 8 - 8-94 Suppose you wish to make a buffer whose pH is...Ch. 8 - Prob. 85PCh. 8 - 8-96 Suppose you want to make a CH3COOH/CH3COO-...Ch. 8 - Prob. 87PCh. 8 - 8-98 When a solution prepared by dissolving 4.00 g...Ch. 8 - Prob. 89PCh. 8 - Prob. 90PCh. 8 - 8-101 Suppose you have an aqueous solution...Ch. 8 - Prob. 92PCh. 8 - 8-103 Suppose you have a phosphate buffer...Ch. 8 - Prob. 94PCh. 8 - Prob. 95PCh. 8 - Prob. 96PCh. 8 - 8-107 Following are pH ranges for several human...Ch. 8 - Prob. 98PCh. 8 - Prob. 99PCh. 8 - 8-108 What is the ratio of HPO42-/H2PO4- in a...Ch. 8 - Prob. 101PCh. 8 - 8-110 A concentrated hydrochloric acid solution...Ch. 8 - 8-111 The volume of an adult's stomach ranges from...Ch. 8 - 8-112 Consider an initial 0.040 M hypobromous acid...Ch. 8 - Prob. 105PCh. 8 - Prob. 106PCh. 8 - 8-115 When a solution prepared by dissolving 0.125...Ch. 8 - 8-116 A railroad tank car derails and spills 26...Ch. 8 - Prob. 109PCh. 8 - Prob. 110PCh. 8 - Prob. 111P
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