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CHE 105/110 Introduction to Chemistry - Exercises and Answers
Chapter 2 - Energy and Matter
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CHE 105/110 Introduction to Chemistry - Exercises and Answers
Chapter 1 - Measurements
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Expressing Numbers
Expressing Units
Significant Figures
Converting Units
Other Units: Temperature and Density
End-of-Chapter Material
Chapter 2 - Energy and Matter
Energy
Work and Heat
Enthalpy and Chemical Reactions
Stoichiometry Calculations Using Enthalpy
Hess’s Law
Formation Reactions
End-of-Chapter Material
Chapter 3 - Solids and Liquids
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Intermolecular Forces
Phase Transitions: Melting, Boiling, and Subliming
Properties of Liquids
Solids
End-of-Chapter Material
Chapter 4 - Atoms, Molecules, and Ions
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Atomic Theory
Molecules and Chemical Nomenclature
Masses of Atoms and Molecules
Ions and Ionic Compounds
Acids
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Chapter 5 - Chemical Reactions and Equations
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The Chemical Equation
Types of Chemical Reactions: Single- and Double-Displacement Reactions
Ionic Equations: A Closer Look
Composition, Decomposition, and Combustion Reactions
Neutralization Reactions
Oxidation-Reduction Reactions
End-of-Chapter Material
Chapter 6 - Stoichiometry and the Mole
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Stoichiometry
The Mole
The Mole in Chemical Reactions
Mole-Mass and Mass-Mass Calculations
Yields
Limiting Reagents
End-of-Chapter Material
Chapter 7 - Nuclear Chemistry
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Radioactivity
Half-Life
Units of Radioactivity
Uses of Radioactive Isotopes
Nuclear Energy
End-of-Chapter Material
Chapter 8 - Chemical Bonds
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Lewis Electron Dot Diagrams
Electron Transfer: Ionic Bonds
Covalent Bonds
Other Aspects of Covalent Bonds
Violations of the Octet Rule
Molecular Shapes
End-of-Chapter Material
Chapter 9 - Gases
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Kinetic Theory of Gases
Pressure
Gas Laws
Other Gas Laws
The Ideal Gas Law and Some Applications
Gas Mixtures
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Chapter 10 - Solutions
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Some Definitions
Quantitative Units of Concentration
Dilutions and Concentrations
Concentrations as Conversion Factors
Colligative Properties of Solutions
Colligative Properties of Ionic Solutes
End-of-Chapter Material
Chapter 11 - Acids and Bases
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Arrhenius Acids and Bases
Brønsted-Lowry Acids and Bases
Acid-Base Titrations
Strong and Weak Acids and Bases and Their Salts
Autoionization of Water
The pH Scale
Buffers
End-of-Chapter Material
Chapter 12 - Chemical Equilibrium
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Chemical Equilibrium
The Equilibrium Constant
Shifting Equilibria: Le Chatelier’s Principle
Calculating Equilibrium Constant Values
Some Special Types of Equilibria
End-of-Chapter Material
Chapter 13 - Organic Chemistry
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Hydrocarbons
Branched Hydrocarbons
Alkyl Halides and Alcohols
Other Oxygen-Containing Functional Groups
Other Functional Groups
Polymers
End-of-Chapter Material
Chapter 2 - Energy and Matter
Chapter 2 - Energy and Matter
Introduction to Chemistry 105
Exercises and Answers
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