BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Solutions

Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Write balanced equations for the following half-reactions.

  1. (a) LIO2+(aq) → LI4+(aq)⇄(acid solution)
  2. (b) ClO3(aq) → Cl(aq)⇄(acid solution)
  3. (c) N2H4(aq) → N2(g)⇄(basic solution)
  4. (d) ClO(aq) → Cl(aq)⇄(basic solution)

(a)

Interpretation Introduction

Interpretation:

The following half reaction in acidic solution has to be identified.

(a)UO2+(aq) U4+(aq)

Concept introduction:

Steps for balancing half –reactions in ACIDIC solution:

  1. 1. Balance all atoms except H and O in half reaction.
  2. 2. Balance O atoms by adding water to the side missing O atoms.
  3. 3. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 4. Balance the charge by adding electrons to side with more total positive charge.
  5. 5. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.

Steps for balancing half –reactions in BASIC solution:

  1. 1. Balance all atoms except H and O in half reaction.
  2. 2. Balance O atoms by adding water to the side missing O atoms.
  3. 3. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 4. Balance the charge by adding electrons to side with more total positive charge.
  5. 5. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.
  6. 6. Add the same number of OH- groups as there are H+ present to both sides of the equation.
Explanation

Given reaction:

UO2+(aq) U4+(aq)

Steps for balancing half reactions in ACIDIC solution:

  1. 1. Balance half reactions by mass

    Balance all atoms except H and O in half reaction.

    UO2+(aq) U4+(aq)

  2. 2. Balance O atoms by adding water to the side missing O atoms.

    UO2+(aq) U4+(aq) + 2H2O(l)

  3. 3. Balance the H atoms by adding H+ to the side missing H atoms

(b)

Interpretation Introduction

Interpretation:

The following half reaction in acidic solution has to be identified.

(b)ClO3-(aq) Cl-(aq)

Concept introduction:

Steps for balancing half –reactions in ACIDIC solution:

  1. 6. Balance all atoms except H and O in half reaction.
  2. 7. Balance O atoms by adding water to the side missing O atoms.
  3. 8. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 9. Balance the charge by adding electrons to side with more total positive charge.
  5. 10. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.

Steps for balancing half –reactions in BASIC solution:

  1. 7. Balance all atoms except H and O in half reaction.
  2. 8. Balance O atoms by adding water to the side missing O atoms.
  3. 9. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 10. Balance the charge by adding electrons to side with more total positive charge.
  5. 11. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.
  6. 12. Add the same number of OH- groups as there are H+ present to both sides of the equation.

(c)

Interpretation Introduction

Interpretation:

The following half reaction in basic solution has to be identified.

(c)N2H4(aq) N2(g)

Concept introduction:

Steps for balancing half –reactions in ACIDIC solution:

  1. 11. Balance all atoms except H and O in half reaction.
  2. 12. Balance O atoms by adding water to the side missing O atoms.
  3. 13. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 14. Balance the charge by adding electrons to side with more total positive charge.
  5. 15. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.

Steps for balancing half –reactions in BASIC solution:

  1. 13. Balance all atoms except H and O in half reaction.
  2. 14. Balance O atoms by adding water to the side missing O atoms.
  3. 15. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 16. Balance the charge by adding electrons to side with more total positive charge.
  5. 17. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.
  6. 18. Add the same number of OH- groups as there are H+ present to both sides of the equation.

(d)

Interpretation Introduction

Interpretation:

The following half reaction in basic solution has to be identified.

(d)ClO-(aq) Cl-(aq)

Concept introduction:

Steps for balancing half –reactions in ACIDIC solution:

  1. 16. Balance all atoms except H and O in half reaction.
  2. 17. Balance O atoms by adding water to the side missing O atoms.
  3. 18. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 19. Balance the charge by adding electrons to side with more total positive charge.
  5. 20. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.

Steps for balancing half –reactions in BASIC solution:

  1. 19. Balance all atoms except H and O in half reaction.
  2. 20. Balance O atoms by adding water to the side missing O atoms.
  3. 21. Balance the H atoms by adding H+ to the side missing H atoms.
  4. 22. Balance the charge by adding electrons to side with more total positive charge.
  5. 23. Make the number of electrons the same in both half reactions by multiplication, while avoiding fractional number of electrons.
  6. 24. Add the same number of OH- groups as there are H+ present to both sides of the equation.

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Chapter 19 Solutions

Show all chapter solutions add
Sect-19.8 P-19.11CYUSect-19.9 P-1.1ACPSect-19.9 P-1.2ACPSect-19.9 P-1.3ACPSect-19.9 P-2.1ACPSect-19.9 P-2.2ACPSect-19.9 P-2.3ACPSect-19.9 P-2.4ACPSect-19.9 P-2.5ACPCh-19 P-1PSCh-19 P-2PSCh-19 P-3PSCh-19 P-4PSCh-19 P-5PSCh-19 P-6PSCh-19 P-7PSCh-19 P-8PSCh-19 P-9PSCh-19 P-10PSCh-19 P-11PSCh-19 P-12PSCh-19 P-13PSCh-19 P-14PSCh-19 P-15PSCh-19 P-16PSCh-19 P-17PSCh-19 P-18PSCh-19 P-19PSCh-19 P-20PSCh-19 P-21PSCh-19 P-22PSCh-19 P-23PSCh-19 P-24PSCh-19 P-25PSCh-19 P-26PSCh-19 P-27PSCh-19 P-28PSCh-19 P-29PSCh-19 P-30PSCh-19 P-31PSCh-19 P-32PSCh-19 P-33PSCh-19 P-34PSCh-19 P-35PSCh-19 P-36PSCh-19 P-37PSCh-19 P-38PSCh-19 P-39PSCh-19 P-40PSCh-19 P-41PSCh-19 P-42PSCh-19 P-43PSCh-19 P-44PSCh-19 P-45PSCh-19 P-46PSCh-19 P-47PSCh-19 P-48PSCh-19 P-49PSCh-19 P-50PSCh-19 P-51PSCh-19 P-52PSCh-19 P-53PSCh-19 P-54PSCh-19 P-55PSCh-19 P-56PSCh-19 P-57GQCh-19 P-58GQCh-19 P-59GQCh-19 P-60GQCh-19 P-61GQCh-19 P-62GQCh-19 P-63GQCh-19 P-64GQCh-19 P-65GQCh-19 P-66GQCh-19 P-67GQCh-19 P-68GQCh-19 P-69GQCh-19 P-70GQCh-19 P-71GQCh-19 P-72GQCh-19 P-73GQCh-19 P-74GQCh-19 P-75GQCh-19 P-76GQCh-19 P-77GQCh-19 P-78GQCh-19 P-79GQCh-19 P-80GQCh-19 P-81GQCh-19 P-82GQCh-19 P-83GQCh-19 P-84GQCh-19 P-85GQCh-19 P-86GQCh-19 P-87GQCh-19 P-88GQCh-19 P-89GQCh-19 P-90GQCh-19 P-91GQCh-19 P-92GQCh-19 P-93GQCh-19 P-94GQCh-19 P-95GQCh-19 P-96GQCh-19 P-97GQCh-19 P-98GQCh-19 P-99GQCh-19 P-100GQCh-19 P-101GQCh-19 P-102GQCh-19 P-103GQCh-19 P-104GQCh-19 P-105ILCh-19 P-106ILCh-19 P-107ILCh-19 P-108ILCh-19 P-109ILCh-19 P-110ILCh-19 P-111SCQCh-19 P-112SCQCh-19 P-113SCQCh-19 P-114SCQCh-19 P-115SCQ

Additional Science Solutions

Find more solutions based on key concepts

Show solutions add

In the intestine, amino acids of the same general type compete for the same absorption sites, so a large dose o...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

What are genomes?

Human Heredity: Principles and Issues (MindTap Course List)

Which amino acids could be referred to as derivatives of butanoic acid?

Chemistry for Today: General, Organic, and Biochemistry