Calculate the electrode potential of a copper electrode dipped in 0.1M solution of copper sulphate at `25^@C`. (Given `E^@` for Cu is +0.34V at 298K)`

Calculate the electrode potential at a copper electrode dipped in 0.1 M solution of copper sulphate at 25^@C . Given, the standard emf of Cu^(2+) system is +0.34V at 298K.

The hydrogen electrode is dipped in a solution of pH= 3 at 25^@C . The potential of the cell is given by.

One half-cell in a voltaic cell is constructed from a silver wire dipped in silver nitrate solution of unknonw concentration. It other half cell consists of a zinc electrode dipping in 1.0M solution of Zn(NO_3)_2 . A voltage of 1.48V is measure for this cell. Use this information to calculate the concentration of silver nitrate solution used (E_(Zn^(2+)//Zn)^0=-0.76V,E_(Ag^+//Ag)^0=+0.80V)

What is the effect of an increase in concentration of Zinc ions on the electrode potential of Zinc electrode for which E^@ equals -0.76V.

What is the effect of an increase in concentration of zinc ions on the electrode potential of zinc electrode for which E^@ equals to -0.76V.

Calculate the amount of benzoic acid (C_6H_5COOH) required for preparing 250 mL of 0.15 M solution in methanol.

The electrode potentials for the two half cell reaction is given below. Determine emf Mg^(2+)+2e^- rarr Mg(s), E=-2.37V Cu^(2+)+2e^- rarr Cu(s), E=+0.34V.

A current of 0.50 ampere is passed for 30 minutes through a voltameter containing copper sulphate solution. Calculate the mass of Cu deposited at the cathode. Given that atomic mass of Cu is 63.0amu.

When the zinc electrode having electrode reduction potential -0.76V is attached to NHE, will it acts as anode or cathode?