9.103






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404995677
Posts: 82
Joined: Fri Sep 29, 2017 7:07 am

9.103

Postby 404995677 » Mon Feb 12, 2018 1:10 am

Hi I am a little confused about the solutions manual for this problem. Shouldnt delta G = sum of delta Gf (products) - sum of delta Gf (reactants)? but the solutions manual subtracts all of them.

RyanS2J
Posts: 32
Joined: Thu Jul 27, 2017 3:00 am

Re: 9.103

Postby RyanS2J » Mon Feb 12, 2018 5:59 am

That formula still applies. It's just that CH3CH2OH is the only noteworthy product (H2 has a standard Gibbs free energy of 0), so you'd be subtracting the reactant Gibbs free energy values from that of CH3CH2OH. But regardless, the formula should still give you the correct value.

Jasmine Botello 2F
Posts: 67
Joined: Fri Sep 29, 2017 7:04 am

Re: 9.103

Postby Jasmine Botello 2F » Sat Mar 17, 2018 12:13 am

For this question does anyone know where they got the values from??


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