Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 4, Problem 4.29P

4-29 Balance these net ionic equations.

(a) Ag+(aq) + Br-(aqChapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  1AgBr(s)

(b) Cd2(aq) + S2-(aq) Chapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  2CdS(s)

(c) Sc3(aq) + SO42-aq) Chapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  3Sc2(SO4)3(s)

(d) Sn2(aq) + Fe2(aqChapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  4Sn(s) + Fe3(aq)

(e) K(s) + H2OChapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  5Chapter 4, Problem 4.29P, 4-29 Balance these net ionic equations. (a) Ag+(aq) + Br-(aqAgBr(s) (b) Cd2(aq) + S2-(aq) CdS(s) (c) , example  6K+(aq) + OH-(aq) + H2(g)

Expert Solution
Check Mark
Interpretation Introduction

(a)

Interpretation:

The balanced net ionic equation for the given reaction should be identified.

Concept Introduction:

For a chemical reaction, when the number of atom of each element in the reactant side are equal to the number of atoms of each elements in the product side then such reactions are said to be a balanced chemical equation.

Answer to Problem 4.29P

The balanced chemical equation is.

Ag+(aq) + Br-(aq)   AgBr (s).

Explanation of Solution

The given reaction is:

Ag+(aq) + Br-(aq)   AgBr (s)

1 mol of Silver ion on reacting with 1 mol of bromide produces 1 mol silver bromide.

Ag+(aq) + Br-(aq)   AgBr (s)

Now, the reaction is balanced with 1 number of Ag on reactant side and on product side.

The reaction is balanced with 1 number of Br on reactant side and on product side.

Expert Solution
Check Mark
Interpretation Introduction

(b)

Interpretation:

The balanced net ionic equation for the given reaction should be identified.

Concept Introduction:

For a chemical reaction, when the number of atom of each element in the reactant side are equal to the number of atoms of each elements in the product side then such reactions are said to be a balanced chemical equation.

Answer to Problem 4.29P

The balanced chemical equation is.

Cd2+(aq) + S2-(aq)  CdS (s).

Explanation of Solution

The given reaction is:

Cd2+(aq) + S2-(aq)  CdS (s)

1 mol cadmium ion on reacting with 1` mol sulfide produces 1 mol cadmium sulfide.

Cd2+(aq) + S2-(aq)  CdS (s)

Now, the reaction is balanced with 1 number of Cd on reactant side and on product side.

The reaction is balanced with 1 number of s on reactant side and on product side.

Expert Solution
Check Mark
Interpretation Introduction

(c)

Interpretation:

The balanced net ionic equation for the given reaction should be identified.

Concept Introduction:

For a chemical reaction, when the number of atom of each element in the reactant side are equal to the number of atoms of each elements in the product side then such reactions are said to be a balanced chemical equation.

Answer to Problem 4.29P

The balanced chemical equation is.

2 Sc3+(aq) + 3 SO42-(aq) Sc2(SO4)3(s).

Explanation of Solution

The given reaction is:

Sc3+(aq) + SO42-(aq) Sc2(SO4)3(s)

As, only 4 mol O are present in reactant side while 12 mol in product side and thus 3 to be multiplied with SO42-.

Now, 2 mol Sc present in product side while 1 in reactant side and thus 2 to be multiplied with Sc3 +.

2 mol scandium ion on reacting with 3` mol sulfate produces 1 mol scandium sulfate.

2 Sc3+(aq) + 3 SO42-(aq) Sc2(SO4)3(s)

Now, the reaction is balanced with 2 number of Sc on reactant side and on product side.

The reaction is balanced with 3 number of s on reactant side and on product side.

The reaction is balanced with 12 number of oxygen on reactant side and on product side.

Expert Solution
Check Mark
Interpretation Introduction

(d)

Interpretation:

The balanced net ionic equation for the given reaction should be identified.

Concept Introduction:

For a chemical reaction, when the number of atom of each element in the reactant side are equal to the number of atoms of each elements in the product side then such reactions are said to be a balanced chemical equation.

Answer to Problem 4.29P

The balanced chemical equation is.

Sn2+(aq) + 2 Fe2+(aq)   Sn (s) + 2 Fe3+(aq).

Explanation of Solution

The given reaction is:

Sn2+(aq) + Fe2+(aq)   Sn (s) + Fe3+(aq)

Half reaction at anode,

Fe2+(aq)   Fe3+(aq)

A single electron is added to product to balance the charge.

2 *[Fe2+(aq)   Fe3+(aq) + e-]  -------(1)

Half reaction at cathode,

Two electron is added to reactant to balance the charge.

Sn2+(aq) + 2 e-  Sn (s)    -------(2)

Adding equation 1 and 2 for balanced reaction.

Sn2+(aq) + 2 Fe2+(aq)   Sn (s) + 2 Fe3+(aq)

2 mol tin ion on reacting with 2` mol iron(ii) ion produces 1 mol tin with 2 mol iron (iii).

Expert Solution
Check Mark
Interpretation Introduction

(e)

Interpretation:

The balanced net ionic equation for the given reaction should be identified.

Concept Introduction:

For a chemical reaction, when the number of atom of each element in the reactant side are equal to the number of atoms of each elements in the product side then such reactions are said to be a balanced chemical equation.

Answer to Problem 4.29P

The balanced chemical equation is.

2 K(s) + H2(l) H  2 K+(aq) + OH-(aq) + H2(g).

Explanation of Solution

The given reaction is:

K(s) + H2(l)   K+(aq) + OH-(aq) + H2(g)

Half reaction at anode,

K(s)   K+(aq)

A single electron is added to product to balance the charge.

2 *[ K(s)   K+(aq) + e-]  -------(1)

Half reaction at cathode,

H2(l)    OH-(aq) + H2(g)

Two electron is added to reactant along with proton to balance the charge and number of hydrogen.

H2(l) + H++ e-  OH-(aq) + H+(aq) H2(g)  

2(H2(l) + H++ e-  OH-(aq) + H+(aq) +H2(g))  -------(2)

Adding equation 1 and 2 for balanced reaction.

2 K(s) + 2H2(l)   2 K+(aq) + 2OH-(aq) + 2H2(g)

2 mol potassium ion on reacting with 1` mol water produces 2 mol potassium ion with 1 mol hydrogen.

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Chapter 4 Solutions

Introduction to General, Organic and Biochemistry

Ch. 4.6 - Prob. 4.11PCh. 4.7 - Prob. 4.12PCh. 4.7 - Prob. 4.13PCh. 4.7 - Problem 4-14 Ethanol is produced industrially by...Ch. 4.7 - Prob. 4.15PCh. 4.7 - Prob. 4.16PCh. 4 - 4-17 Balance each equation.Ch. 4 - 4-18 Balance each equation.Ch. 4 - Prob. 4.19PCh. 4 - 4-20 Calcium oxide is prepared by heating...Ch. 4 - 4-21 The brilliant white light in some firework...Ch. 4 - Prob. 4.22PCh. 4 - 4-23 When solid carbon burns in a limited supply...Ch. 4 - Prob. 4.24PCh. 4 - 4-25 In the chemical test for arsenic, the gas...Ch. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - 4-28 Answer true or false. (a) A net ionic...Ch. 4 - 4-29 Balance these net ionic equations. (a)...Ch. 4 - 4-30 In the equation (a) Identify the spectator...Ch. 4 - 4-31 Predict whether a precipitate will form when...Ch. 4 - 4-32 When a solution of ammonium chloride is added...Ch. 4 - 4-33 When a solution of hydrochloric acid, HCl, is...Ch. 4 - Prob. 4.34PCh. 4 - Prob. 4.35PCh. 4 - 4-36 Using the solubility generalizations given in...Ch. 4 - 4-37 Answer true or false. (a) When a substance is...Ch. 4 - Prob. 4.38PCh. 4 - Prob. 4.39PCh. 4 - Prob. 4.40PCh. 4 - Prob. 4.41PCh. 4 - 4-42 Calculate the formula weight of: (a) KCl (b)...Ch. 4 - 4-43 Calculate the molecular weight of: (a)...Ch. 4 - 4-44 Answer true or false. (a) The mole is a...Ch. 4 - 4-45 Calculate the number of moles in: (a) 32 g of...Ch. 4 - 4-46 Calculate the number of grams in: (a) 1.77...Ch. 4 - 4-47 Calculate the number of moles of: (a) O atoms...Ch. 4 - 4-48 Calculate the number of moles of: (a) S2-...Ch. 4 - 4-49 Calculate the number of: (a) nitrogen atoms...Ch. 4 - 4-50 How many molecules are in each of the...Ch. 4 - 4-51 What is the mass in grams of each number of...Ch. 4 - 4-52 The molecular weight of hemoglobin is about...Ch. 4 - 4-53 A typical deposit of cholesterol, C27H46O, in...Ch. 4 - 4-54 Answer true or false. (a) Stoichiometry is...Ch. 4 - 4-55 For the reaction: (a) How many moles of N2...Ch. 4 - 4-56 Magnesium reacts with sulfuric acid according...Ch. 4 - 4-57 Chloroform, CHCl3, is prepared industrially...Ch. 4 - 4-58 At one time, acetaldehyde was prepared...Ch. 4 - 4-59 Chlorine dioxide, ClO2, is used for bleaching...Ch. 4 - 4-60 Ethanol, C2H6O, is added to gasoline to...Ch. 4 - 4-61 In photosynthesis, green plants convert CO2...Ch. 4 - 4-62 Iron ore is converted to iron by heating it...Ch. 4 - Prob. 4.63PCh. 4 - 4-64 Aspirin is made by the reaction of salicylic...Ch. 4 - 4-65 Suppose the preparation of aspirin from...Ch. 4 - 4-66 Benzene reacts with bromine to produce...Ch. 4 - 4-67 Ethyl chloride is prepared by the reaction of...Ch. 4 - 4-68 Diethyl ether is made from ethanol according...Ch. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - 4-71 Which of these reactions are exothermic, and...Ch. 4 - Prob. 4.72PCh. 4 - Prob. 4.73PCh. 4 - Prob. 4.74PCh. 4 - Prob. 4.75PCh. 4 - Prob. 4.76PCh. 4 - 4-77 To convert 1 mol of iron(III) oxide to its...Ch. 4 - 4-78 (Chemical Connections 4A) How does fluoride...Ch. 4 - Prob. 4.79PCh. 4 - Prob. 4.80PCh. 4 - 4-81 (Chemical Connections 4C) Balance the lithium...Ch. 4 - 4-82 When gaseous dinitrogen pentoxide, N2O5, is...Ch. 4 - Prob. 4.83PCh. 4 - Prob. 4.84PCh. 4 - Prob. 4.85PCh. 4 - 4-86 When an aqueous solution of Na3PO4 is added...Ch. 4 - Prob. 4.87PCh. 4 - 4-88 Chlorophyll, the compound responsible for the...Ch. 4 - 4-89 If 7.0 kg of is added to 11.0 kg of to form...Ch. 4 - 4-90 Lead(lI) nitrate and aluminum chloride react...Ch. 4 - 4-91 Assume that the average red blood cell has a...Ch. 4 - 4-92 Reaction of pentane, C5H12, with oxygen, O2,...Ch. 4 - 4-93 Ammonia is prepared industrially by the...Ch. 4 - 4-94 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is...Ch. 4 - Prob. 4.95PCh. 4 - Prob. 4.96PCh. 4 - Prob. 4.97PCh. 4 - Prob. 4.98PCh. 4 - Prob. 4.99PCh. 4 - Prob. 4.100PCh. 4 - Prob. 4.101PCh. 4 - 4-102 Aspartame, an artificial sweetener used as a...Ch. 4 - 4-103 Caffeine, a central nervous system...
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