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The standard potential of the following ...

The standard potential of the following cell is 0.23 V at `15^(@)C and 0.21 V" at "35^(@)C:`
`Pt|H_(2)(g)|HCl(aq)|AgCl(s)|Ag(s)`
(1) Write the cell reaction.

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Given cell : `Pt|H_(2)(g)|HCl(aq)|AgCl(s)|Ag(s)`
The half - cell reactions are as follows :
`{:("At anode: "(1)/(2)H_(2)(g)" "rarr" "H^(+)(aq)+e),("At cathode: "AgCl(s)+e" "rarr" "Ag(s)+Cl^(-)(aq)),(_),("Cell reaction : "(1)/(2)H_(2)(g)+AgCl(s)rarrH^(+)(aq)+Ag(s)+Cl^(-)(aq)):}`
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