How to Use Bond Energies (or Bond Enthalpies) to Calculate ΔH 

In this chemistry tutorial video, I first go through what a bond energy or bond enthalpy is and two factors that affect bond length and strength, and thus bond energy: bond order (type of bond like single vs. double vs triple) and radius. We recall that a longer bond is a weaker bond, and a shorter bond is a stronger bond, and we relate this to the Potential energy diagram of a bond formation.
I then go through how to calculate ΔH or the heat or enthalpy of a reaction using bond energies (sum of bonds broken - sum of bonds formed) and go through two examples step by step with tips to keep in mind.
For an AP Chemistry class, according to the CollegeBoard AP Chemistry curriculum and course description, this mini lesson video would cover parts of Unit 6 Thermodynamics (6.7 Bond Enthalpies)
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