4D9

Moderators: Chem_Mod, Chem_Admin

Jina Kwon
Posts: 100
Joined: Fri Aug 09, 2019 12:15 am

4D9

Postby Jina Kwon » Sat Feb 08, 2020 4:27 pm

In this problem, why is N2 gas and O2 gas excluded from the equation?

ShastaB4C
Posts: 100
Joined: Thu Sep 26, 2019 12:18 am

Re: 4D9

Postby ShastaB4C » Sat Feb 08, 2020 5:55 pm

The enthalpy of formation for diatomic molecules =0

JChen_2I
Posts: 107
Joined: Fri Aug 09, 2019 12:17 am

Re: 4D9

Postby JChen_2I » Sat Feb 08, 2020 10:59 pm

Because N2 and O2 are already in their most stable form so their standard reaction of enthalpy by definition is 0.


Return to “Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)”

Who is online

Users browsing this forum: No registered users and 1 guest