电极过程（The electrode process）.doc

电极过程（The electrode process） Chapter vii electrode process Review thinking topic 1. What are the typical electrode reaction steps?  2. What is an irreversible electrode potential?  3. What is polarization?  4. What is the breakdown voltage value?  5. What is precipitation potential and dissolution potential? What are they related to? Whats the use?  6. What is overvoltage? What are the factors?  7. What is the difference between the polarization of the electrolytic pool and the polarization of the original battery?  How many kinds of polarization are there? What are the causes of each?  What is the ultimate diffusion current? What are the applications?  10. What is the relationship between the concentration voltage and the current density?  11. What effect does the electric field on the electrode surface have on the activation energy of the electrode reaction?  12. What is the relationship between electrochemical polarization overvoltage and current density?  What are the application conditions of tafels formula?  14. How many polarization curves are there? Whats different about the measuring device?  15. What is the application of polarization curve data?  16. What are the conditions of several cations? What are the factors?  17. Why is the metal zinc accumulated from the aqueous solution?  18. What are the factors that influence the quality of electric crystallization?  19. What are the conditions for the simultaneous dissolution of various metals and their alloys?  What is metal passivation? What are the causes?  How does the corrosion of the original battery form?  22. What is depolarization? What are the effects of metal corrosion?  What are the basic methods for the preservation of metals?  24. What is the difference between cathodic protection layer, protector protection and cathodic electrode protection?   Xi topic   In the indirect method for 298.15 K, reaction  H2 + O2 = H2O, (1) = 236.65 kJ mol, 1   When you ask 298.15 K, wha