AP Chemistry Course Description / Latest Syllabus (2024)

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AP Chemistry Course Description and Latest Syllabus
AP Chemistry Course Description and Latest Syllabus

About AP Chemistry

The AP Chemistry course provides students with a college-level foundation to support
future advanced coursework in chemistry. Students cultivate their understanding of
chemistry through inquiry-based investigations, as they explore content such as: atomic
structure, intermolecular forces, bonding, chemical reactions, kinetics, thermodynamics,
and equilibrium.

Units Exam Weighting of AP Chemistry (2024)

UnitsTopicsExam Weighting
Unit 1Atomic Structure and Properties7โ€“9%
Unit 2Compound Structure and Properties7-9%
Unit 3Properties of Substances and Mixtures18-22%
Unit 4Chemical Reactions7-9%
Unit 5Kinetics7-9%
Unit 6Thermochemistry7-9%
Unit 7Equilibrium7-9%
Unit 8Acids and Bases11-15%
Unit 9Thermodynamics and Electrochemistry7-9%

Course Contents

Interesting Science Videos

Unit 1: Atomic Structure and Properties

1.1 Moles and Molar Mass

1.2 Mass Spectroscopy of Elements

1.3 Elemental Composition of Pure Substances

1.4 Composition of Mixtures

1.5 Atomic Structure and Electron Configuration

1.6 Photoelectron Spectroscopy

1.7 Periodic Trends

1.8 Valence Electrons and Ionic Compounds

Unit 2: Compound Structure and Properties

2.1 Types of Chemical Bonds

2.2 Intramolecular Force and Potential Energy

2.3 Structure of Ionic Solids

2.4 Structure of Metals and Alloys

2.5 Lewis Diagrams

2.6 Resonance and Formal Charge

2.7 VSEPR and Hybridization

Unit 3: Properties of Substances and Mixtures

3.1 Intermolecular and Interparticle Forces

3.2 Properties of Solids

3.3 Solids, Liquids, and Gases

3.4 Ideal Gas Law

3.5 Kinetic Molecular Theory

3.6 Deviation from Ideal Gas Law

3.7 Solutions and Mixtures

3.8 Representations of Solutions

3.9 Separation of Solutions and Mixtures

3.10 Solubility

3.11 Spectroscopy and the Electromagnetic Spectrum

3.12 Properties of Photons

3.13 Beer-Lambert Law

Unit 4: Chemical Reactions

4.1 Introduction for Reactions

4.2 Net Ionic Equations

4.3 Representations of Reactions

4.4 Physical and Chemical Changes

4.5 Stoichiometry

4.6 Introduction to Titration

4.7 Types of Chemical Reactions

4.8 Introduction to Acid-Base Reactions

4.9 Oxidation-Reduction (Redox) Reactions

Unit 5: Kinetics

5.1 Reaction Rates

5.2 Introduction to Rate Law

5.3 Concentration Changes Over Time

5.4 Elementary Reactions

5.5 Collision Model

5.6 Reaction Energy Profile

5.7 Introduction to Reaction Mechanisms

5.8 Reaction Mechanism and Rate Law

5.9 Pre-Equilibrium Approximation

5.10 Multistep Reaction Energy Profile

5.11 Catalysis

Unit 6: Thermochemistry

6.1 Endothermic and Exothermic Processes

6.2 Energy Diagrams

6.3 Heat Transfer and Thermal Equilibrium

6.4 Heat Capacity and Calorimetry

6.5 Energy of Phase Changes

6.6 Introduction to Enthalpy of Reaction

6.7 Bond Enthalpies

6.8 Enthalpy of Formation

6.9 Hessโ€™s Law

Unit 7: Equilibrium

7.1 Introduction to Equilibrium

7.2 Direction of Reversible Reactions

7.3 Reaction Quotient and Equilibrium Constant

7.4 Calculating the Equilibrium Constant

7.5 Magnitude of the Equilibrium Constant

7.6 Properties of the Equilibrium Constant

7.7 Calculating Equilibrium Concentrations

7.8 Representations of Equilibrium

7.9 Introduction to Le Chรขtelierโ€™s Principle

7.10 Reaction Quotient and Le Chรขtelierโ€™s Principle

7.11 Introduction to Solubility Equilibria

7.12 Common-Ion Effect

Unit 8: Acids and Bases

8.1 Introduction to Acids and Bases

8.2 pH and pOH of Strong Acids and Bases

8.3 Weak Acid and Base Equilibria

8.4 Acid-Base Reactions and Buffers

8.5 Acid-Base Titrations

8.6 Molecular Structure of Acids and Bases

8.7 pH and pKa

8.8 Properties of Buffers

8.9 Henderson-Hasselbalch Equation

8.10 Buffer Capacity

8.11 pH and Solubility

Unit 9: Thermodynamics and Electrochemistry

9.1 Introduction to Entropy

9.2 Absolute Entropy and Entropy Change

9.3 Gibbs Free Energy and Thermodynamic Favorability

9.4 Thermodynamic and Kinetic Control

9.5 Free Energy and Equilibrium

9.6 Free Energy of Dissolution

9.7 Coupled Reactions

9.8 Galvanic (Voltaic) and Electrolytic Cells

9.9 Cell Potential and Free Energy

9.10 Cell Potential Under Nonstandard Conditions

9.11 Electrolysis and Faradayโ€™s Law

Exam Overview of AP Chemistry

SectionQuestion TypeNumber of QuestionsExam WeightingTiming
IMultiple-choice questions6050%90 minutes
IIFree-response questions50%105 minutes
Long-answer questions (10 points each)3
Short-answer questions (4 points each)4

References and Source of AP Chemistry

APยฎ Chemistry. Course and Exam Description. Effective Fall 2024. CollegeBoard.

About Author

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Jyoti Bashyal

Jyoti Bashyal, a graduate of the Central Department of Chemistry, is an avid explorer of the molecular realm. Fueled by her fascination with chemical reactions and natural compounds, she navigates her field's complexities with precision and passion. Outside the lab, Jyoti is dedicated to making science accessible to all. She aspires to deepen audiences' understanding of the wonders of various scientific subjects and their impact on the world by sharing them with a wide range of readers through herย writing.

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