Bond enthalpy

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Valeria Viera 1B
Posts: 60
Joined: Fri Apr 06, 2018 11:05 am

Bond enthalpy

Postby Valeria Viera 1B » Sat Mar 16, 2019 10:28 pm

Which should we use on final:
Sum of bonds broken - sum of bond formed
Or
Sum of bonds in reactant side - sum of bonds in product side

Samantha Pacheco 2K
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Re: Bond enthalpy

Postby Samantha Pacheco 2K » Sat Mar 16, 2019 10:31 pm

You would use
∆Hrxn=∆H(bonds broken)-∆H(bonds formed)

Chem_Mod
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Re: Bond enthalpy

Postby Chem_Mod » Sat Mar 16, 2019 10:33 pm

Sum of bonds broken - sum of bonds formed because this is essentially the amount of energy you are putting into the system to break bonds - the amount of energy that is released by the formation of new bonds.


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