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weqwewe [10]
3 years ago
9

The standard cell potential (E° cell) of the reaction below is +1.34 V. The value of ΔG° for the reaction is kJ/mol.

Chemistry
1 answer:
stepan [7]3 years ago
6 0

Answer:

-776 KJ/mol

Explanation:

We must look towards the balanced reaction equation in order to obtain the number of electrons transferred in the redox reaction.

3Cu(s) + 2MnO4^-(aq) + 8H^+(aq)------>3Cu2+(aq) + 2MnO2(s) + 4H2O(l)

We can easily see that copper lost six electrons while Manganese gained six electrons hence n=6

ΔG =-nFEcell

Where;

n= 6

F = 96500 C

Ecell=+1.34

ΔG = -(6 * 96500 * 1.34)

ΔG = -776 KJ/mol

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