Lesson: Bond Energy
In this lesson, we will learn how to use net changes in bond energy during reactions to calculate the bond energies of reactants and products.
Sample Question Videos
Worksheet: 18 Questions • 1 Video
To the nearest kJ/mol, what is the bond energy of ?
|Bond Energy (kJ/mol)||436||243|
Ethene and iodine react to form -diiodoethane. The equation for this reaction is shown.
The total energy change per mole of ethene reacted is kJ/mol. The energies of selected bonds in the reactants and products are given in the table.
Calculate, to the nearest kilojoules per mole, the bond energy of the bond.
Which of the following hydrogen halides has the smallest bond enthalpy?