Delta G of galvanic cells

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

Katherine Grillo 1B
Posts: 69
Joined: Fri Sep 28, 2018 12:28 am

Delta G of galvanic cells

Why do we know that the delta G of galvanic cells will always be less than 0?

Jessica Castro 2H
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Re: Delta G of galvanic cells

A galvanic cell by definition is an electrochemical cell in which a spontaneous chemical reaction is used to generate an electric current. Since the chemical reaction in a galvanic cell is always spontaneous, delta G will always be negative for a galvanic cell.

skyeblee2F
Posts: 62
Joined: Fri Sep 28, 2018 12:23 am

Re: Delta G of galvanic cells

Because it's a spontaneous reaction that converts electrical energy to chemical energy.

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