Heat of Reaction

Introduction to Energy Changes in Chemical Reactions; Defining Enthalpy Change (ΔH); Understanding Endothermic Processes; Understanding Exothermic Processes; Comparing Energy Diagrams; The Role of Bond Energy; Calculating ΔH Using Bond Energies; Standard Enthalpy of Formation (ΔH°f); Calculating ΔH Using ΔH°f; Comparing Bond Energy and ΔH°f Methods; Introduction to Hess's Law; Applying Hess's Law; Hess's Law Example; Synthesizing Concepts: A Challenge Question; The Practical Importance of ΔH