Be sure to answer all parts. what are e and ag of a redox reaction at 25°c for which n=1 and k= 7.0 x 104? ag° = oj

Answer :

The standard Gibbs free energy is, -27640.414 J

The standard cell potential is, 0.29 V

Explanation :

First we have to calculate the .

Formula used :

where,

= standard Gibbs free energy = ?

R = gas constant = 8.314 J/K.mole

n = number of moles = 1 mole

T = temperature =

k = equilibrium constant =

Now put all the given values in this formula, we get:

The standard Gibbs free energy is, -27640.414 J

Now we have to calculate the standard cell potential.

Formula used :

where,

= Gibbs free energy = -27640.414 J

n = number of electrons = 1

F = Faraday constant = 96500 C/mole

= standard e.m.f of cell = ?

Now put all the given values in this formula, we get the Gibbs free energy.

The standard cell potential is, 0.29 V

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