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The emf of the following cell is 0.256 V...

The emf of the following cell is 0.256 V at `25^@C` and 0.2595 V at `35^@C.` Calculate heat of reaction taking place at `25^@C.`
`Pt(H_(2))|HCl(aq)||AgCl|Ag`

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The correct Answer is:
`-82.8kJ`
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