Calculate the quantity of electricity in coulombs required to liberate 10g of copper from a copper compound

[Cu=64, F = 96500 Cmol^-1]

How many faraday of electricity is required to produce 0.25 mole of copper?

If the change in free energy of a system is -899 Jmol^-1 and the entropy change is 10Jmol^-1k^-1 at 250C, calculate the enthalpy change.

In an equilibrium reaction, which of the following conditions indicates that maximum yield of the product will be obtained?