Concentration and free energy






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Tam To 1B
Posts: 72
Joined: Fri Sep 28, 2018 12:25 am

Concentration and free energy

Postby Tam To 1B » Tue Feb 19, 2019 12:05 pm

Does changing the concentration of a substance in a reaction affect the free energy?

Adam Vuilleumier 2K
Posts: 60
Joined: Fri Sep 28, 2018 12:27 am

Re: Concentration and free energy

Postby Adam Vuilleumier 2K » Tue Feb 19, 2019 12:08 pm

Yes, since delta G = delta G standard + RTlnQ, and Q is concentration of products over reactants, Gibbs free energy does depend on concentration.

Carine Tamamian 2B
Posts: 61
Joined: Fri Sep 28, 2018 12:23 am

Re: Concentration and free energy

Postby Carine Tamamian 2B » Tue Feb 19, 2019 1:19 pm

Yes! it's products and reactants concentrations that affect the free energy.


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