Exothermic and Endothermic Reactions — Energy changes in reactions; Exothermic reactions; Endothermic reactions; Reaction profiles; Bond energies
Exothermic and Endothermic Reactions and Energy Profiles — Energy Changes in Reactions; Exothermic Reactions; Endothermic Reactions; Activation Energy; Required Practical: Investigating Energy Changes
Bond Energy Calculations — What Are Bond Energies?; How Bond Energies Determine Reaction Type; Calculating Energy Changes from Bond Energies; Worked Example: Combustion of Methane; Worked Example: Breaking Down Hydrogen Chloride; Important Notes
Batteries Fuel Cells and Hydrogen — Electrochemical Cells (Batteries); Fuel Cells; Hydrogen as a Fuel; Comparing Energy Sources