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Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759

Solutions

Chapter 4, Problem 4.17P
Textbook Problem

4-17 Balance each equation.

Chapter 4, Problem 4.17P, 4-17 Balance each equation.

Expert Solution

(a)

Interpretation Introduction

Interpretation:

The given chemical equation should be balanced.

Concept Introduction:

For balancing the reaction, number of moles of reactant should be equivalent to number of moles of product.

Balancing of equation takes place by adding number of moles or stochiometric coefficient before the reactant and product so to balance the number of atoms present in the molecule.

For the reaction:

  A +  B   AB2

2 moles of B are required to balance the reaction as follows:

  A + 2 B   AB2

Answer to Problem 4.17P

The balanced chemical equation is

  HI + NaOH   NaI + H2O

Explanation of Solution

1 mol of HI reacts with 1 mol NaOH to produce 1 mole of NaI with 1 mol of water.

The balanced chemical equation is

  HI + NaOH   NaI + H2O

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

The reaction is balanced with 1 number of oxygen atom on each side that is reactant and product.

The reaction is balanced with 2 number of hydrogen atoms on each side that is reactant and product.

Thus, the reaction is already balanced.

Expert Solution

(b)

Interpretation Introduction

Interpretation:

The given chemical equation should be balanced.

Concept Introduction:

For balancing the reaction, number of moles of reactant should be equivalent to number of moles of product.

Balancing of equation takes place by adding number of moles or stochiometric coefficient before the reactant and product so to balance the number of atoms present in the molecule.

For the reaction:

  A +  B   AB2

2 moles of B are required to balance the reaction as follows:

  A + 2 B   AB2

Answer to Problem 4.17P

The balanced chemical equation is

  Ba( NO3)2+ H2S  BaS + 2 HNO3

Explanation of Solution

The given chemical reaction is as follows:

  Ba( NO3)2+ H2S  BaS + HNO3

Give coefficient 2 to HNO3 to balance the number of nitrogen and oxygen atoms.

  Ba( NO3)2+ H2S  BaS + 2HNO3

Thus, the balanced chemical reaction is as follows:

  Ba( NO3)2+ H2S  BaS + 2HNO3

Expert Solution

(c)

Interpretation Introduction

Interpretation:

The given chemical equation should be balanced.

Concept Introduction:

For balancing the reaction, number of moles of reactant should be equivalent to number of moles of product.

Balancing of equation takes place by adding number of moles or stochiometric coefficient before the reactant and product so to balance the number of atoms present in the molecule.

For the reaction:

  A +  B   AB2

2 moles of B are required to balance the reaction as follows:

  A + 2 B   AB2

Answer to Problem 4.17P

The balanced chemical equation is

  CH4+ 2O2 CO2+ 2H2O

Explanation of Solution

The given chemical reaction is as follows:

  CH4+ O2 CO2+ H2O

To balance the number of hydrogen atoms, give coefficient 2 to H2O .

  CH4+ O2 CO2+ 2H2O

Now, give coefficient 2 to  O2 to balance the number of oxygen atoms.

  CH4+ 2O2 CO2+ 2H2O

Thus, the balanced chemical reaction is as follows:

  CH4+ 2O2 CO2+ 2H2O

Expert Solution

(d)

Interpretation Introduction

Interpretation:

The given chemical equation should be balanced.

Concept Introduction:

For balancing the reaction, number of moles of reactant should be equivalent to number of moles of product.

Balancing of equation takes place by adding number of moles or stochiometric coefficient before the reactant and product so to balance the number of atoms present in the molecule.

For the reaction:

  A +  B   AB2

2 moles of B are required to balance the reaction as follows:

  A + 2 B   AB2

Answer to Problem 4.17P

The balanced chemical equation is

  2C4H1013O2 8CO2+ 10H2O

Explanation of Solution

The given chemical equation is as follows:

  C4H10+ O2 CO2+ H2O

Give coefficient 4 to CO2 to balance the number of carbon atoms.

  C4H10+ O2 4CO2+ H2O

Now, balance the hydrogen atoms by giving coefficient 5 to H2O

  C4H10+ O2 4CO2+ 5H2O

To balance the number of oxygen atoms give coefficient132 to O2 on the reactant side.

  C4H10132O2 4CO2+ 5H2O

Or,

  2C4H1013O2 8CO2+ 10H2O

Thus, it is the balanced chemical reaction.

Expert Solution

(e)

Interpretation Introduction

Interpretation:

The given chemical equation should be balanced.

Concept Introduction:

For balancing the reaction, number of moles of reactant should be equivalent to number of moles of product.

Balancing of equation takes place by adding number of moles or stochiometric coefficient before the reactant and product so to balance the number of atoms present in the molecule.

For the reaction:

  A +  B   AB2

2 moles of B are required to balance the reaction as follows:

  A + 2 B   AB2

Answer to Problem 4.17P

The balanced chemical equation is

  2Fe +3CO2   Fe2O3+3CO

Explanation of Solution

The given reaction is as follows:

  Fe +CO2   Fe2O3+CO

Give coefficient 2 to Fe in the reactant side to balance the number of Fe atoms.

  2Fe +CO2   Fe2O3+CO

Now, to balance the number of oxygen atoms, give coefficient 3 to CO2 on reactant side and 3 to CO on product side as follows:

  2Fe +3CO2   Fe2O3+3CO

Thus, the balanced chemical reaction will be:

  2Fe +3CO2   Fe2O3+3CO

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Chapter 4 Solutions

Introduction to General, Organic and Biochemistry
Ch. 4.6 - Problem 4-11 How many molecules of water, H2O, are...Ch. 4.7 - Problem 4-12 Pure aluminum is prepared by the...Ch. 4.7 - Problem 4-13 In the industrial synthesis of acetic...Ch. 4.7 - Problem 4-14 Ethanol is produced industrially by...Ch. 4.7 - Problem 4-15 Assume that 6.0 g of C and 2.1 g of...Ch. 4.7 - Problem 4-16 In an experiment to prepare aspirin,...Ch. 4 - 4-17 Balance each equation.Ch. 4 - 4-18 Balance each equation.Ch. 4 - 4-19 If you blow carbon dioxide gas into a...Ch. 4 - 4-20 Calcium oxide is prepared by heating...Ch. 4 - 4-21 The brilliant white light in some firework...Ch. 4 - 4-22 The rusting of iron is a chemical reaction of...Ch. 4 - 4-23 When solid carbon burns in a limited supply...Ch. 4 - 4-24 Solid ammonium carbonate, decomposes at room...Ch. 4 - 4-25 In the chemical test for arsenic, the gas...Ch. 4 - 4-28 When a piece of aluminum metal is dropped...Ch. 4 - 4-27 In the industrial chemical preparation of...Ch. 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 - 4-34 When a solution of sodium hydroxide is added...Ch. 4 - 4-35 Using the solubility generalizations given in...Ch. 4 - 4-36 Using the solubility generalizations given in...Ch. 4 - 4-37 Answer true or false. (a) When a substance is...Ch. 4 - 4-38 In the reaction (a) Which species is oxidized...Ch. 4 - 4-39 In the reaction (a) Which species is oxidized...Ch. 4 - 4-40 When a piece of sodium metal is added to...Ch. 4 - 4-41 Answer true or false. (a) Formula weight is...Ch. 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 - 4-63 Given the reaction in Problem 4-62, how many...Ch. 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 - 4-69 Answer true or false. (a) Heat of reaction is...Ch. 4 - 4-70 What is the difference between exothermic and...Ch. 4 - 4-71 Which of these reactions are exothermic, and...Ch. 4 - 4-72 In the following reaction, 9.80 kcal is...Ch. 4 - 4-73 Following is the equation for the combustion...Ch. 4 - 4-74 The oxidation of glucose, C6H1206, to carbon...Ch. 4 - 4-75 The heat of combustion of glucose, C6H12O6,...Ch. 4 - 4-76 A piant requires approximately 4178 kcal for...Ch. 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 - 4-79 (Chemical Connections 4A) What ions are...Ch. 4 - 4-80 (Chemical Connections 4B) A voltaic cell is...Ch. 4 - 4-81 (Chemical Connections 4C) Balance the lithium...Ch. 4 - 4-82 When gaseous dinitrogen pentoxide, N2O5, is...Ch. 4 - 4-83 In a certain reaction, Cu+ is converted to...Ch. 4 - 4-84 Using the equation: (a) Show that this is a...Ch. 4 - 4-85 Methyl tertiary butyl ether (or MTBE), a...Ch. 4 - 4-86 When an aqueous solution of Na3PO4 is added...Ch. 4 - 4-87 The active ingredient in an analgesic tablet...Ch. 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 - 4-95 Furan, an organic compound used in the...Ch. 4 - 4-96 A sample of gold consisting of 8.68 10 atoms...Ch. 4 - 4-97 Consider the production of KClO4(aq) via the...Ch. 4 - 4-98 Elemental chlorine is commonly used to kill...Ch. 4 - 4-99 The two major sources of energy in our diets...Ch. 4 - 4-100 The heat of combustion of methane, CH4, the...Ch. 4 - 4-101 An automobile with gasoline consisting of...Ch. 4 - 4-102 Aspartame, an artificial sweetener used as a...Ch. 4 - 4-103 Caffeine, a central nervous system...

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