Bond Enthalpies Principles to Production: Chemical Energy.
Energy Changes You will learn about: Exothermic & Endothermic Reactions Energy level diagrams Bond Making and Breaking Calculating enthalpy change.
Can you guess the topic for today?
Bond…. Bond Energy. All physical stuff is made of … –Matter! (Chemicals – atoms and molecules) In Chemical reactions, atoms rearrange to form new substances.
Energy Changes
Do now! Can you stick the slides in your book please (cut round the edges, but don’t cut out each individual slide – it takes too long!).