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2. (a) When an excess of Zn is added into1 MNi(NO3)2 solution, the zinc displaces nickel till equilibrium is reached. Write the equations for the

2. (a) When an excess of Zn is added into1 MNi(NO3)2 solution, the zinc displaces nickel till equilibrium is reached. Write the equations for the cell half reactions and calculate equilibrium constant. EZn2t/2n20=0.76VENi2/Nt20=0.23V (b) The emf of the following cell, Pt(H2)HCl(aq)AgClAg is 0.265V at 28C and 0.2595V at 40C. Calculate heat of reaction taking place at 28C and the entropy

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