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Revision Guide: Chemical Reactions & Equations

Type: quick notes

Executive Summary

Complete high-yield breakdown of balancing chemical equations, types of reactions (combination, decomposition, displacement, double displacement), and oxidation-reduction concepts.

High-Yield Equations & Formulas

Balanced Mass Equation

Mass of Reactants = Mass of Products

Law of Conservation of Mass

Rusting of Iron Formula

4Fe + 3O2 + 2xH2O -> 2Fe2O3.xH2O

Hydrated Ferric Oxide formation

Exam Memory Tricks & Pitfalls

OIL RIG: Oxidation Is Loss of e-, Reduction Is Gain of e-