The potential of the Daniel cell, `Zn |(ZnSO_(4))||(CuSO_(4)|Cu` was reported by Buckbee, Surdzial and Metz as `E^(@) = 1.1028 - 0.641 xx 10^(-3)T` +

Question

The potential of the Daniel cell, `Zn |(ZnSO_(4))||(CuSO_(4)|Cu` was reported by Buckbee, Surdzial and Metz as `E^(@) = 1.1028 - 0.641 xx 10^(-3)T` +

The potential of the Daniel cell, `Zn |(ZnSO_(4))||(CuSO_(4)|Cu` was reported by Buckbee, Surdzial and Metz as `E^(@) = 1.1028 - 0.641 xx 10^(-3)T` + `0.72 xx 10^(-5)T^(2)`, where T is the temperature in degree celcius, Calcualte `DeltaS^(@0` for the cell reaction at `25^(@)C`.
A. `-45.32EU`
B. `-34.52EU`
C. `-25.43EU`
D. `-54.23EU`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

`100` gm of anhydrous `CuSO_(4)`, when dissolved in excess of water produces `42` kJ of heat. The same amount of `CuSO_(4).5H_(2)O` on dissolving in l

2 Answers 4 Views

White light is passed through a prism of angle `4^(@)`. If the refractive indices for red and blue colours are 1.641 are 1.659 respectively, then calc

2 Answers 5 Views

the wavelength of spectral line in the lyman series of a H-atom is `1028 Å`. If instead of hydrogen, we consider deuterium then shift in the wavelengt

2 Answers 5 Views

The emf of the cell `Cu|underset(a=0.1)(CuSO_(4))||underset(x)(CuSO_(4))|Cu` is `-0.03` V at `25^(@)C`. Calculate the activity of copper sulphate solu

2 Answers 5 Views

The percentage weight of Zn in which vitriol `[ZnSO_(4)*7H_(2)O]` is approximately equal to (at. Mass of Zn =65 , S= 32, O=16 and H=1)

2 Answers 5 Views

What is the single electrode potential of a half-cell for zinc electrode dipping in 0.01 M `ZnSO_(4)` solution at `25^(@)C` ? The standard electrode p

2 Answers 8 Views

Two students use same stock solution of `ZnSO_(4)` and a solution of `CuSO_(4)`. The `EMF` of one cell is `0.03` higher than the other. The concentrat

2 Answers 7 Views

Calculate `E_(cell)^(0)` of (at 298K) `Zn(s)//ZnSO_(4)(aq)||CuSO_(4)(aq)//Cu(s)` given that `E_(Zn//Zn^(2+)(aq))^(0)=0.76V` `E_(Cu(s)//Cu^(2+)(aq))^(0

2 Answers 5 Views

An electric current is passed through three cells connected in series containing `ZnSO_(4)`, acidulated water and `CuSO_(4)` respectively. What amount

2 Answers 5 Views

In a method for comparing emfs by a potentiometer a balance point is found to be 50 cm with a Daniel cell of emf 1.1 volt. Where will you get the bala

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`E^(@)=1.1028-0.641xx10^(-3)T+0.72xx10^(-5)T^(2)`
`((dE^(@))/(dT))_(2S)=-0.641xx10^(-3)+2xx0.72xx10^(-5)T=(-0.641+0.36)xx10^(-3)=-0.281xx10^(-3)`
`triangleS^(@)=nF(dE)/(dT)=2xx96500xx(-281xx10^(3))=-54.23EU`

4 views Answered 2023-02-05 15:29