The potential of the Daniell cell, `Zn|(ZnSO_4),((1M))||(CuSO_4),((1M))|Cu` was reported by Buckbee, Surdzial, and Metz at `E^@ = 1 . 1028 - 0. 41 xx 10^(-3) T + 0. 72 xx 10^(-5) T^2` where T is the Celsius temperature. Calculate `Delta S^@` for the cell reaction at `235^@ C`,.A. ` - 45 . 32`B. ` - 34. 52`C. ` - 25 . 43`D. ` - 55. 39 `

The potential of the Daniell cell, `Zn|(ZnSO_4),((1M))||(CuSO_4),((1M)

1.	The potential of the Daniell cell, `Zn\|(ZnSO_4),((1M))\|\|(CuSO_4),((1M))\|Cu` was reported by Buckbee, Surdzial, and Metz at `E^@ = 1 . 1028 - 0. 41 xx 10^(-3) T + 0. 72 xx 10^(-5) T^2` where T is the Celsius temperature. Calculate `Delta S^@` for the cell reaction at `235^@ C`,.A. ` - 45 . 32`B. ` - 34. 52`C. ` - 25 . 43`D. ` - 55. 39 `
Answer» Correct Answer - D `(dE^@)/(dT)=- 0.647 xx 10^(-3) + 2 xx 0. 72 xx 10^(-5) T` `Delta S = 2 xx 96500 xx [-0.647 xx 10^(-3) +2 xx 0. 72 10^(-5) xx 250]` ` =- 55 . 39`.

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