Evaluate whether there is evolution of hydrogen in the zinc electrodeposition on zinc electrode using an acid solution of Zn2+.

Question 1) Evaluate whether there is evolution of hydrogen in the zinc electrodeposition on zinc electrode using an acid solution of Zn2+. Data….
Question 2) Sketch the j x E diagram and calculate the dpd required to release H2 over a platinum cathode and O2 over a nickel anode from an electrolyte solution having a current density of 1.5 A/dm2, pH = 3 and 298k? Data…
Question 3) At a temperature of 298 K, the contact angle of a drop of water on dichloroethane is 108.5°C (227.3°F). If the surface tension of the dichloroethane is 25.0 mNmˆ-1 and of the water 72.2 mNmˆ-1, determine the interfacial tension, work of adhesion, and mirroring coefficient between the water and the dichloroethane.

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