Teach enthalpy and energy changes in chemical reactions with clarity and depth using this structured, student-friendly PowerPoint lesson. This resource introduces students to enthalpy (H), enthalpy change (ΔH), exothermic and endothermic reactions, and builds understanding of activation energy and energy transfer in chemical processes. With clear explanations, thermochemical equations, and guided questions, students develop both conceptual understanding and exam-ready reasoning. What’s Includ