CH-1232
Bond energies
Chemistry · Secondary 4 · Medium · Bond energies
Hydrogen peroxide decomposes according to the equation:
In terms of bonds, which statement explains why this reaction is exothermic?
In terms of bonds, which statement explains why this reaction is exothermic?
- More energy is released when new bonds form than is needed to break the original bonds.
- More energy is needed to break the original bonds than is released when new bonds form.
- No energy is needed to break bonds in the reactants.
- Bond breaking and bond making both absorb energy overall.
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