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Write the Nernst equation and calculate ...

Write the Nernst equation and calculate the e.m.f. of the following cell at 298 K :
`Cu(s) | Cu^(2+) (0.130 M) || Ag^(+) (1.0 xx 10^(-4) M) | Ag (s)`
Given : `E_((Cu^(2+) | Cu))^(Theta) = + 0.34 V` and `E_((Ag^(+) |Ag))^(Theta) = + 0.80` V

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Write the Nernst Equation The Nernst equation is given by: \[ E = E^\circ - \frac{RT}{nF} \ln Q \] At 298 K, this simplifies to: ...
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Knowledge Check

  • Calculate the emf of the following cell: Cu(s)|Cu^(2+) (aq)||Ag^(+) (aq)| Ag(s) Given that, E_(Cu^(2+)//Cu)^(@)=0.34 V, E_(Ag//Ag^(+))^(@)=-0.80 V

    A
    0.046 V
    B
    0.46 V
    C
    0.57 V
    D
    `-0.46 V`

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