Enthalpy of Formation

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Enthalpy of Formation

Postby 305174946 » Sun Feb 03, 2019 8:10 pm

So when calculating bond enthalpies the final answer will be an enthalpy of formation, correct? So I know that bond enthalpies are always positive, but the formation can be pos or neg based on if the number of reactants/products, right?

Tessa Lawler 1A
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Re: Enthalpy of Formation

Postby Tessa Lawler 1A » Sun Feb 03, 2019 8:20 pm

Enthalpy of formation can be negative or positive, yes.

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Re: Enthalpy of Formation

Postby chris_tsai_4H » Sun Feb 03, 2019 8:50 pm

Yes, bond enthalpy can be either positive or negative since the value is based on whether the formation of the bond requires or produces heat.

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