Holt Chemistry: Online Textbook Help

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If your Holt Chemistry textbook is proving challenging, our flexible textbook companion course can help. Each chapter in your book aligns to one of our short video lessons, so you can study tough topics at your own pace and get a better grade in class.
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20 Chapters in Holt Chemistry: Online Textbook Help

20 chapters in Holt Chemistry: Online Textbook Help

Ch 1. Holt Chemistry Chapter 1: The Science of Chemistry {{cp.topicAssetIdToProgress[27988].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - What is Chemistry? - Definition, History & Branches Score: {{cp.lessonAssetIdToProgress[19235].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19235].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - States of Matter and Chemical Versus Physical Changes to Matter Score: {{cp.lessonAssetIdToProgress[1720].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1720].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Mass and Weight: Differences and Calculations Score: {{cp.lessonAssetIdToProgress[14595].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14595].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The Metric System: Units and Conversion Score: {{cp.lessonAssetIdToProgress[1600].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1600].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Unit Conversion and Dimensional Analysis Score: {{cp.lessonAssetIdToProgress[2176].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2176].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Matter: Physical and Chemical Properties Score: {{cp.lessonAssetIdToProgress[1603].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1603].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Atom Score: {{cp.lessonAssetIdToProgress[277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[277].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - What Are Elements? Score: {{cp.lessonAssetIdToProgress[3218].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3218].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Understanding the Relationships between Elements, Molecules & Compounds Score: {{cp.lessonAssetIdToProgress[19236].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[19236].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Creating Mixtures by Combining Elements & Compounds Score: {{cp.lessonAssetIdToProgress[20107].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[20107].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Work-Energy Theorem: Definition and Application Score: {{cp.lessonAssetIdToProgress[14611].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14611].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - First Law of Thermodynamics: Law of Conservation of Energy Score: {{cp.lessonAssetIdToProgress[2544].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2544].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Changes in Heat and Energy Diagrams Score: {{cp.lessonAssetIdToProgress[2549].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2549].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How to Calculate Specific Heat Capacity for Different Substances Score: {{cp.lessonAssetIdToProgress[2548].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2548].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Scientific Method: Steps, Terms & Examples Score: {{cp.lessonAssetIdToProgress[3604].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3604].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Experimental Design in Science: Definition & Method Score: {{cp.lessonAssetIdToProgress[3602].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3602].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Significant Figures and Scientific Notation Score: {{cp.lessonAssetIdToProgress[1601].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1601].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Periodic Table: Properties of Groups and Periods Score: {{cp.lessonAssetIdToProgress[1614].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1614].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Valence Electrons and Energy Levels of Atoms of Elements Score: {{cp.lessonAssetIdToProgress[1615].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1615].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Transition Metals vs. Main Group Elements: Properties and Differences Score: {{cp.lessonAssetIdToProgress[1620].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1620].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Ionization Energy: Trends Among Groups and Periods of the Periodic Table Score: {{cp.lessonAssetIdToProgress[1617].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1617].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table Score: {{cp.lessonAssetIdToProgress[1616].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1616].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Electronegativity: Trends Among Groups and Periods of the Periodic Table Score: {{cp.lessonAssetIdToProgress[1618].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1618].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - The Diagonal Relationship, Metallic Character, and Boiling Point Score: {{cp.lessonAssetIdToProgress[1619].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1619].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Enthalpy: Energy Transfer in Physical and Chemical Processes Score: {{cp.lessonAssetIdToProgress[1709].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1709].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Calorimetry: Measuring Heat Transfer and Heat Capacity Score: {{cp.lessonAssetIdToProgress[1711].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1711].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Endothermic and Exothermic Reactions Score: {{cp.lessonAssetIdToProgress[5365].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5365].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Using Hess's Law to Calculate the Change in Enthalpy of a Reaction Score: {{cp.lessonAssetIdToProgress[1710].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1710].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Relationship Between Enthalpy (H), Free Energy (G) and Entropy (S) Score: {{cp.lessonAssetIdToProgress[1714].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1714].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Second Law of Thermodynamics: Entropy and Systems Score: {{cp.lessonAssetIdToProgress[2546].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2546].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Predicting the Entropy of Physical and Chemical Changes Score: {{cp.lessonAssetIdToProgress[1712].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1712].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Kinetic Molecular Theory: Properties of Solids and Liquids Score: {{cp.lessonAssetIdToProgress[1645].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1645].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition Score: {{cp.lessonAssetIdToProgress[5363].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5363].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Hydrogen Bonding, Dipole-Dipole & Ion-Dipole Forces: Strong Intermolecular Forces Score: {{cp.lessonAssetIdToProgress[1636].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1636].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - London Dispersion Forces (Van Der Waals Forces): Weak Intermolecular Forces Score: {{cp.lessonAssetIdToProgress[1637].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1637].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Phase Diagrams: Critical Point, Triple Point and Phase Equilibrium Boundaries Score: {{cp.lessonAssetIdToProgress[1646].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1646].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Phase Changes and Heating Curves Score: {{cp.lessonAssetIdToProgress[1647].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1647].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Kinetic Molecular Theory: Properties of Gases Score: {{cp.lessonAssetIdToProgress[1650].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1650].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Boltzmann Distribution: Temperature and Kinetic Energy of Gases Score: {{cp.lessonAssetIdToProgress[1653].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1653].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Pressure: Definition, Units, and Conversions Score: {{cp.lessonAssetIdToProgress[1651].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1651].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Boyle's Law: Gas Pressure and Volume Relationship Score: {{cp.lessonAssetIdToProgress[3208].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3208].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Charles' Law: Gas Volume and Temperature Relationship Score: {{cp.lessonAssetIdToProgress[3599].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3599].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Gay-Lussac's Law: Gas Pressure and Temperature Relationship Score: {{cp.lessonAssetIdToProgress[3598].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3598].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Molar Volume: Using Avogadro's Law to Calculate the Quantity or Volume of a Gas Score: {{cp.lessonAssetIdToProgress[1655].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1655].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - The Ideal Gas Law and the Gas Constant Score: {{cp.lessonAssetIdToProgress[1656].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1656].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Using the Ideal Gas Law: Calculate Pressure, Volume, Temperature, or Quantity of a Gas Score: {{cp.lessonAssetIdToProgress[1657].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1657].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Diffusion and Effusion: Graham's Law Score: {{cp.lessonAssetIdToProgress[1654].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1654].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Dalton's Law of Partial Pressures: Calculating Partial & Total Pressures Score: {{cp.lessonAssetIdToProgress[1652].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1652].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Solutions, Solutes, and Solvents Score: {{cp.lessonAssetIdToProgress[454].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[454].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Calculating Molarity and Molality Concentration Score: {{cp.lessonAssetIdToProgress[1663].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1663].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Calculating Dilution of Solutions Score: {{cp.lessonAssetIdToProgress[1664].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1664].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Solubility and Solubility Curves Score: {{cp.lessonAssetIdToProgress[1662].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1662].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - The Rate of Dissolution: Factors and Definition Score: {{cp.lessonAssetIdToProgress[1660].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1660].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Solutions, Electrolytes and Nonelectrolytes Score: {{cp.lessonAssetIdToProgress[1661].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1661].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Using Colligative Properties to Determine Molar Mass Score: {{cp.lessonAssetIdToProgress[1666].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1666].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Colligative Properties and Raoult's Law Score: {{cp.lessonAssetIdToProgress[1665].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1665].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - The Arrhenius Definition of Acids and Bases Score: {{cp.lessonAssetIdToProgress[1678].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1678].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Bronsted-Lowry and Lewis Definition of Acids and Bases Score: {{cp.lessonAssetIdToProgress[1679].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1679].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Dissociation Constant and Autoionization of Water Score: {{cp.lessonAssetIdToProgress[1681].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1681].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - The pH Scale: Calculating the pH of a Solution Score: {{cp.lessonAssetIdToProgress[1682].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1682].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Neutralization and Acid-Base Reactions Score: {{cp.lessonAssetIdToProgress[1680].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1680].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Titration of a Strong Acid or a Strong Base Score: {{cp.lessonAssetIdToProgress[1700].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1700].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Titrations with Weak Acids or Weak Bases Score: {{cp.lessonAssetIdToProgress[8047].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[8047].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Acid-Base Equilibrium: Calculating the Ka or Kb of a Solution Score: {{cp.lessonAssetIdToProgress[1698].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1698].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Acid-Base Buffers: Calculating the pH of a Buffered Solution Score: {{cp.lessonAssetIdToProgress[1699].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1699].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Structure and Function of Carbohydrates Score: {{cp.lessonAssetIdToProgress[687].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[687].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Structure and Function of Lipids Score: {{cp.lessonAssetIdToProgress[688].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[688].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Proteins I: Structure and Function Score: {{cp.lessonAssetIdToProgress[290].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[290].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Proteins II: Amino Acids, Polymerization and Peptide Bonds Score: {{cp.lessonAssetIdToProgress[292].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[292].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Proteins III: Structure and Characteristics of the 20 Amino Acids Score: {{cp.lessonAssetIdToProgress[291].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[291].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Proteins IV: Primary, Secondary, Tertiary and Quaternary Structure Score: {{cp.lessonAssetIdToProgress[293].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[293].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - DNA: Chemical Structure of Nucleic Acids & Phosphodiester Bonds Score: {{cp.lessonAssetIdToProgress[2179].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2179].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - DNA: Adenine, Guanine, Cytosine, Thymine & Complementary Base Pairing Score: {{cp.lessonAssetIdToProgress[2180].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2180].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - DNA: Double Helix Structure and Hereditary Molecule Score: {{cp.lessonAssetIdToProgress[2181].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2181].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Cellular Respiration: Energy Transfer in Cells Score: {{cp.lessonAssetIdToProgress[330].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[330].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - Chlorophyll: Absorbing Light Energy for Photosynthesis Score: {{cp.lessonAssetIdToProgress[334].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[334].bestScoreQuestions}}  Take Quiz Optional

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Practice Final Exam
Holt Chemistry: Online Textbook Help
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Practice Chapter Exams
Ch. 1:  Holt Chemistry Chapter 1: The Science of Chemistry
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Ch. 2:  Holt Chemistry Chapter 2: Matter and Energy
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Ch. 3:  Holt Chemistry Chapter 3: Atoms and Moles
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Ch. 4:  Holt Chemistry Chapter 4: The Periodic Table
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Ch. 5:  Holt Chemistry Chapter 5: Ions and Ionic Compounds
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Ch. 6:  Holt Chemistry Chapter 6: Covalent Compounds
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Ch. 7:  Holt Chemistry Chapter 7: The Mole and Chemical Composition
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Ch. 8:  Holt Chemistry Chapter 8: Chemical Equations and Reactions
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Ch. 9:  Holt Chemistry Chapter 9: Stoichiometry
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Ch. 10:  Holt Chemistry Chapter 10: Causes of Change
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Ch. 11:  Holt Chemistry Chapter 11: States of Matter and Intermolecular Forces
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Ch. 12:  Holt Chemistry Chapter 12: Gases
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Ch. 13:  Holt Chemistry Chapter 13: Solutions
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Ch. 14:  Holt Chemistry Chapter 14: Chemical Equilibrium
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Ch. 15:  Holt Chemistry Chapter 15: Acids and Bases
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Ch. 16:  Holt Chemistry Chapter 16: Reaction Rates
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Ch. 17:  Holt Chemistry Chapter 17: Oxidation, Reduction, and Electrochemistry
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Ch. 18:  Holt Chemistry Chapter 18: Nuclear Chemistry
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Ch. 19:  Holt Chemistry Chapter 19: Carbon and Organic Compounds
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Ch. 20:  Holt Chemistry Chapter 20: Biological Chemistry
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