Question

What is bond energy and its application?

Answer 1

Answer

Bond energy (E) is defined as the amount of energy required to break apart a mole of molecules into its component atoms. It is a measure of the strength of a chemical bond. Bond energy is also known as bond enthalpy (H) or simply as bond strength.

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Answer 2

Answer:

It is defined as "the amount of energy required to break one mole of bonds of a particular type in the gaseous state ." It is also called the bond dissociation enthalpy.

Example: C-C bond enthalpy is 348 kJ/mol.

application

We can apply bond energy values to determine the enthalpy of a compound's formation, ΔHf Δ H f , which can be roughly approximated by simply adding tabulated values for the bond energies of all created bonds. The accuracy of this method is within a few percent of the experimentally determined ΔHf Δ H f values