Question

Practical tasks 21 2.0 What metal would be an anode in the galvanic cell where lead is a cathode? Let us take solutions of I mol/l ron copper silver concentration 22 2.0 Chemical reaction, that takes place at the cathode in 2c-2eCh electrolysis of molten KCy is 21r+2e'→1121 The concentration galvanic 1.0 moul Cuso, and 0.1 moll Cuso cell which consists from 23 2.0 two copper electrodes 1.0 mo/1 Cuso and 0.001 mol/l CusOa immersed CuSO4 solutions, will have the highest emf value if the concentrations 1.0 moll Cuso, and 0.0001 mol1 Cuso of the solutions are equal to 24 2.0 Choose the best coating for Nickel iron to prevent corrosion tin zinc 25|2.0 | Which one ofthe processes is reductiorn |NO→NO2 Cl2 → 2Cl.

Answer 1

-t 22 be mon りF Dool T.21 са