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How can Bond Enthalpy help us predict whether a chemical reaction will be endothermic or exothermic?

User Ldx
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Answer: A reaction will be endothermic if breaking the old bonds takes more enthalpy than the enthalpy released when the new bonds form. It will be exothermic if the new bonds release more enthalpy than the enthalpy needed to break the old bonds.

Step-by-step explanation:

User Jaco Pretorius
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