1. Given the following thermodynamic data: Species / Phase State Zn Zn2+ aq aq ppt ZnOH Zn(OH)2 Zn(OH)2 Zno Zn(OH)42- H2O AG/J mol-1 0 -147160 -342000 -553590 -555130 -318320 -877400 -237178 aq 1 b) Draw the Pourbaix diagram (E from -2 to 2 Vand pH from 0 to 14) for the Zn-H2O system at 298 K at an aqueous zinc activity of 106. Draw the H20/02 and H*/H2 lines with pO2 = 1 atm and pH2 = 1 atm, respectively. Label the regions of active and passive corrosion. Show your work. (18 marks)