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The standard electrode potential for Daniell cell is 1.1V. Calculate the standard Gibbs energy for the reaction: Zn(s) + Cu2+(aq) ?? Zn2+(aq) + Cu(s)

The standard electrode potential for Daniell cell is 1.1V. Calculate the standard Gibbs energy for the reaction: Zn(s) + Cu2+(aq) ?? Zn2+(aq) + Cu(s)

Grade:8

2 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
we have Zn(s) + Cu2+(aq)------- Zn2+(aq) + Cu(s)
gibbs free enrgy =-n FE
where n is the number of electron=2
F is the faradays constant,here it is 96500C
E is the EMF of the cell =1.1V
Gibbs free energy=-2*96500*1.1 J
= -212.3 KJ
ankit singh
askIITians Faculty 614 Points
3 years ago
The standard electrode potential for Daniell cell is 1.1 V. Calculate the standard Gibbs energy for ... Zn left parenthesis straight s right parenthesis space plus space Cu to the power of 2 ... 2Fe2+ (aq) + I2(s) has E0cell = 0.236 V at 298 K. Calculate the standerd Gibbs energy and the equilibrium constance of the cell reaction.

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