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Why is the enthalpy of the reactants greater than the enthalpy of the products in an exothermic reaction?

If it has something to do with the reactants having weaker bonds, why do weaker bonds have higher energy/enthalpy? It doesn't really make sense to me that weaker bonds have more energy... (on a side note, if someone could explain that too, please.)

2 answers

some of the enthalpy converted to heat in the exothermic release.
But that would happen AFTER a reaction... Why would a reaction end up being expthermic if, originally, the enthalpy of the reactants are greater than the enthalpy of the products.

And also, why do weaker bonds have more enthalpy/energy?
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