Respuesta :

The observation for the energy of making bond is released greater than the breaking bond, and the excess is converted to thermal energy.

The reaction for the formation of bonds is given as:

[tex]\rm CH_4\;+\;2\;O_2\rightleftharpoons C_4H_4O\;\rightleftharpoons CO_2\;+\;2\;H_2O[/tex]

What is the energy change?

The reaction of the formation of product requires is released from the bond energy of the reactants. The energy of the reactant is released and is converted to chemical energy.

In the given reaction, the energy required in breaking bonds is less than the energy required in, making bonds.

The bond energy of the product molecules is less than the reactant, thus, the energy in making bonds released is greater, and the excess energy is converted to thermal energy.

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