Write Nernst equation for the following cell reaction :
`Zn(s) | Zn^(2+)(aq)|| Cu^(2+)(aq) | Cu(s)`

Explanation

To write the Nernst equation for the given cell reaction, we will follow these steps:

### Step 1: Identify the half-reactions
The cell reaction is:
\[ \text{Zn(s)} + \text{Cu}^{2+}(aq) \rightarrow \text{Cu(s)} + \text{Zn}^{2+}(aq) \]

The half-reactions are:
- Oxidation: \( \text{Zn(s)} \rightarrow \text{Zn}^{2+}(aq) + 2e^- \)
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