University of the Witwatersrand (WITS)

# Esterification – Organic Chemistry Notes (Simple & Exam Ready) Understand **Esterification** clearly with these structured chemistry notes. This reaction is commonly tested in exams and is important in organic chemistry and everyday applications. --- ## What is Esterification? Esterification is a chemical reaction where a **carboxylic acid reacts with an alcohol** to form an **ester and water**. --- ## General Equation: Carboxylic acid + Alcohol → Ester + Water Exam...

# Organic Chemistry Patterns – Preliminary Exam Paper Revision Guide Prepare effectively for your prelim exams with this **Organic Chemistry Patterns** revision guide. This focuses on the most common question types, reaction trends, and exam techniques that repeatedly appear in papers. --- ## 1. Common Question Patterns ### (a) Reaction Identification You are often asked to: * Name the type of reaction (addition, substitution, elimination, combustion) * Identify reactants an...

# Organic Reactions – Complete Notes (Simple & Exam Ready) Learn **Organic Reactions** in a clear and structured way with these easy-to-follow chemistry notes. Perfect for understanding how organic compounds change and react. --- ## What are Organic Reactions? Organic reactions are chemical changes that involve carbon-based compounds, especially hydrocarbons and their derivatives. These reactions form new substances by breaking and making chemical bonds. --- ## Main Types ...

# Cracking in Organic Chemistry – Complete Notes Understand **Cracking** in a simple and clear way with these well-structured chemistry notes. Perfect for revision and exam preparation. --- ## What is Cracking? Cracking is the process of breaking down large hydrocarbon molecules into smaller, more useful molecules. It is used in petroleum industries to convert long-chain hydrocarbons into fuels and useful chemicals. --- ## Why is Cracking Important? * Produces **more us...

# Organic Chemistry – Combustion, Cracking & Isomerism Notes Understand three key Organic Chemistry topics with these clear, structured, and exam-ready notes. Perfect for revision and mastering fundamental reactions and molecular structures. --- ## 1. Combustion ### What is Combustion? Combustion is a chemical reaction where a hydrocarbon reacts with oxygen to produce energy. ### Types of Combustion: * **Complete combustion:** Enough oxygen present Products: Carbon diox...

# Inductance & Energy – Complete Notes (Electromagnetism) Understand **Inductance and Energy in Inductors** with these clear, structured, and exam-ready notes. Perfect for mastering how coils store energy and how changing current creates induced effects. ## What is Inductance? Inductance is the property of a conductor (usually a coil) that resists changes in electric current by inducing an electromotive force (EMF). * Symbol: ( L ) * Unit: Henry (H) ## Key Idea: When current...

# Simple Harmonic Motion (SHM) – Complete Notes Learn **Simple Harmonic Motion** in a clear and simple way with these well-organized notes. Perfect for understanding the basics of oscillations and how motion repeats in a regular pattern. ## What is Simple Harmonic Motion? Simple Harmonic Motion is a type of periodic motion where an object moves back and forth around a central equilibrium point. The restoring force is always directed towards the equilibrium and is proportional to the d...

# Simple Harmonic Motion (SHM) – Complete Notes Learn **Simple Harmonic Motion** in a clear and simple way with these well-organized notes. Perfect for understanding the basics of oscillations and how motion repeats in a regular pattern. ## What is Simple Harmonic Motion? Simple Harmonic Motion is a type of periodic motion where an object moves back and forth around a central equilibrium point. The restoring force is always directed towards the equilibrium and is proportional to the d...

# Calculus Applications Complete Notes – Real-Life Problem Solving Understand how Calculus is used in real-world situations with these clear, structured, and exam-focused application notes. Perfect for students who want to move beyond theory and confidently solve word problems. ## What’s Included: * Introduction to applications of derivatives and integrals * Rates of change (real-life interpretation of derivatives) * Motion problems (displacement, velocity, acceleration) * Optimi...

# Calculus – Indeterminate Forms Complete Notes Master **Indeterminate Forms** with these clear, organized, and easy-to-follow Calculus notes. Perfect for students who want to understand limits deeply and solve challenging problems with confidence. ## What’s Included: * Introduction to indeterminate forms * Common forms: (0/0), (infty/infty), (0 cdot infty), (infty - infty), (0^0), (1^infty), (infty^0) * How to recognize each form * Algebraic simpl...