February 27, 2017

Homework Help: Chemistry

Posted by a Canadian on Sunday, February 17, 2013 at 7:30pm.

I'm trying to write a sentence like this:

Exothermic reactions have a negative enthalpy change value because the enthalpy of the reactants are greater than the enthalpy of the products since the reactants have weaker bonds....

Why do weaker bonds have higher energy/enthalpy?

I would first jump to the conclusion that high bond strength=high energy...

And I get that gases have a lot of energy, and they have really weak bonds so they're so spread out... But do weak bonds have high energy??

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