## Application

$\Delta G^{\circ} = -nFE_{cell}^{\circ}$

Gabriel Ordonez 2K
Posts: 113
Joined: Sat Jul 20, 2019 12:15 am

### Application

What are the different ways in which we manipulate the Gibbs Free Energy Equation for Electrochemistry and/or combine/separate the equation with other appropriate equations for this unit? Can someone provide a list and example?

Shivam Rana 1D
Posts: 106
Joined: Fri Aug 09, 2019 12:16 am

### Re: Application

I can think of two main ones: G=-nFE and G=-RTlnQ

Matthew Chan 1B
Posts: 111
Joined: Sat Sep 07, 2019 12:16 am

### Re: Application

I think we will usually be using:
G=-nFE
G=-RTlnQ

Posts: 100
Joined: Sat Jul 20, 2019 12:15 am

### Re: Application

A couple of ways you can manipulate Gibbs Free Energy is by using these two equations:

G=-nFE
G=-RTlnQ

You can make them equal each other, take the standards of them, and even switch the Q to K.

Deena Doan 2F
Posts: 100
Joined: Sat Aug 17, 2019 12:17 am

### Re: Application

G=-nFE
G=-RTlnK
These are the 2 equations you'll use.

san_2F
Posts: 118
Joined: Sat Jul 20, 2019 12:15 am

### Re: Application

The three equations for delta G.
delta G= -nFE
delta G= -RTlnK
delta G= delta H - T*delta S

You can delta the top two delta G's together.
You can also set the second equation equal to the third equation and solving for the Vant Hoff Equation.

Hussain Chharawalla 1G
Posts: 100
Joined: Sat Jul 20, 2019 12:15 am

### Re: Application

Also remember you can combine these equations for the vant hoff equation