5.17 Mercury Battery
{"Image DocumentName": "5.17 Mercury Battery", "Image ImageDescription": "amalgamated anode of mercury and zinc surrounded by a stronger alkaline electrolyte and a paste of ZnO and HgO Mercury battery half reactions are shown below: Anode: Zn(Hg) + 2 OH\u2013(aq) \u2192 ZnO(s) + H2O(l) + 2 e\u2013 Cathode: HgO(s) + H2O(l) + 2 e\u2013 \u2192 Hg(l) + 2 OH\u2013(aq) Overall reaction: Zn(Hg) + HgO(s) \u2192 ZnO(s) + Hg(l) no changes in the electrolyte s composition when working 1.35 V of direct current Not rechargeable Graphics:", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}