Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 27 - Bond Energies. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 3.5C - Draw and explain energy level diagrams to represent exothermic and endothermic reactions.
Specification Point 3.6C - Know that bond-breaking is an endothermic process and that bond-making is an exothermic process.
Specification Point 3.7C - Use bond energies to calculate the enthalpy change during a chemical reaction.
Complete set of Chapter 6 Worksheets are available.
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