4. Chemical Reactions

Last Updated 8/26/2024, 22:25 MST)

Brown Chapter 3 Stoichiometry PowerPoint

Brown Chapter 4 Reactions in Aqueous Solution PowerPoint

4.1 Introduction for Reactions

Conservation of Mass

4.2 Net Ionic Equations

Molecular Equation

Ionic Equation

Net Ionic Equation

Writing Net Ionic Equation

4.3 Representations of Reactions

Chemical Equations

Chemical Equations

4.4 Physical and Chemical Changes

Chemical Equations

Chemical Equations

4.5 Stoichiometry

Stoichiometry

Stoichiometry

4.6 Introduction to Titration

Titration

Redox Titration

Stoichiometry

4.7 Types of Chemical Reactions

Displacement Reactions

Element Replacement Activity Series

F2 > Cl2 > Br2 > I2
2HI + Br2 → 2HBr + I2
2HBr + Cl2 → 2HCl + Br2
2HCl + F2 → 2HF + Cl2

Metathesis (Exchange) Reactions

Element Replacement Activity Series

4.8 Introduction to Acid-Base Reactions

Strong and Weak Acids

Strong Acids

Acid Base Reaction

Gas-Forming Reactions

Gas-Forming Reactions

4.9 Oxidation-Reduction (Redox) Reactions

Oxidation-Reduction Reactions

Reaction Type Redox? Model Guidelines
Synthesis/Combination Maybe A + B → C -
Decomposition Maybe C → A + B -
Single Displacement Always AB + C → AC + B Activity Series (metals or halogens)
Double Displacement (Metathesis/Exchange) Never AB + CD → AD + CB Solubility Table or Acid-Base Strength
Combustion (Complete) Always CHO + O2 → CO2 + H2O Principle reactant is any compound of C and H, and sometimes O. Products are always CO2 and H2O.
Combustion (Incomplete) Always CHO + O2 → CO + H2O Products vary in an incomplete combustion reaction, but  "half-way" is with CO and H2O products.

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