Why do some molecules separate under extreme heat?

[LogicalAcid]

Why does heat cause certain things to break into their basic elements?

 

[alxm]

Because the average kinetic energy of the individual atoms in the molecule becomes larger than the binding energy of the chemical bonds holding them together.

 

[LogicalAcid]

Because the average kinetic energy of the individual atoms in the molecule becomes larger than the binding energy of the chemical bonds holding them together.

I understand, thank you.