The temperature coefficient of a cell whose operation is based on the reaction: `Pb_(s) + HgCl_(2(aq.)) rarr PbCl_(2(aq.)) + Hg_(l)` os `-1.5 xx 10^(-4)VK^(-1)`. The heat of rection at `25^(@)C` is (in `kJ mol^(-1)`) (Given `E = 0.03 V`):A. `8.4`B. `16.4`C. `14.41`D. `4.5`

The temperature coefficient of a cell whose operation is based on the

1.	The temperature coefficient of a cell whose operation is based on the reaction: `Pb_(s) + HgCl_(2(aq.)) rarr PbCl_(2(aq.)) + Hg_(l)` os `-1.5 xx 10^(-4)VK^(-1)`. The heat of rection at `25^(@)C` is (in `kJ mol^(-1)`) (Given `E = 0.03 V`):A. `8.4`B. `16.4`C. `14.41`D. `4.5`
Answer» Correct Answer - C `DeltaH = nF[T[(deltaE)/(deltaT)]_(P)-E]`, `:. DeltaH = 2 xx 96500[-1.5 xx 10^(-4)] xx 298 - 0.03]` `= -14417.1 J`

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The temperature coefficient of a cell whose operation is based on the reaction: `Pb_(s) + HgCl_(2(aq.)) rarr PbCl_(2(aq.)) + Hg_(l)` os `-1.5 xx 10^(-4)VK^(-1)`. The heat of rection at `25^(@)C` is (in `kJ mol^(-1)`) (Given `E = 0.03 V`):A. `8.4`B. `16.4`C. `14.41`D. `4.5`

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