delta G vs. delta G naught






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Rachel Yu 1G
Posts: 113
Joined: Fri Aug 09, 2019 12:15 am

delta G vs. delta G naught

Postby Rachel Yu 1G » Mon Feb 17, 2020 8:32 pm

Just to clarify, would the reaction Gibb's free energy be delta G and the standard Gibb's free energy be delta G naught. Conceptually, what is the difference?

Paul Hage 2G
Posts: 105
Joined: Thu Jul 25, 2019 12:17 am

Re: delta G vs. delta G naught

Postby Paul Hage 2G » Mon Feb 17, 2020 8:40 pm

Yes, that is correct. The only difference is that delta G naught represents the delta G at standard conditions (1 atm and 298 K). Therefore, as a reaction approaches equilibrium, delta G naught would not change because it still represents standard conditions, whereas delta G will change because it incorporates the changes that occur within the reaction.

Matthew Tsai 2H
Posts: 101
Joined: Wed Sep 18, 2019 12:20 am

Re: delta G vs. delta G naught

Postby Matthew Tsai 2H » Tue Feb 18, 2020 12:10 am

Delta G naught is a constant for a given chemical equation (measured under standard conditions) while delta G changes as the reaction progresses and conditions change.

Brianna Becerra 1B
Posts: 117
Joined: Fri Aug 02, 2019 12:16 am

Re: delta G vs. delta G naught

Postby Brianna Becerra 1B » Tue Feb 18, 2020 1:53 am

An equation that utilizes both is when Delta G naught is used to calculate delta G through Delta G= Delta G naught + RTlnQ. Delta G naught can be calculated by using
-RTlnK.

andrewcj 2C
Posts: 102
Joined: Thu Jul 11, 2019 12:17 am

Re: delta G vs. delta G naught

Postby andrewcj 2C » Tue Feb 18, 2020 2:35 am

delta G naught is under standard conditions. if conditions are not standard, use delta G.

Viviana Velasquez
Posts: 97
Joined: Sat Jul 20, 2019 12:15 am

Re: delta G vs. delta G naught

Postby Viviana Velasquez » Wed Feb 19, 2020 12:05 pm

Delta g naught is under standard condition unlike delta G that can be any condition

Tai Metzger 3K
Posts: 103
Joined: Sat Aug 24, 2019 12:17 am

Re: delta G vs. delta G naught

Postby Tai Metzger 3K » Wed Feb 19, 2020 12:09 pm

delta G for the reaction depends on what conditions the reaction is occurring at. When conditions are standard, we call the delta G delta G naught. I hope this helps!


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