2MnO2(s) + H2O(l) + 2e- Mn2O3(s) + 2OH-(aq)Total equation Zn (s) + 2MnO2 (s) ZnO (s) + Mn2O3 (s)This type of cell, electric potential of approximately 1.5 volts, but longer and more electricity, battery. Due to the emerging carbon hydroxide ion, which led to the zinc anode is used again.Mercury cells. Relies on the same principle as a cell-line player, but using mercury (II) oxide, manganese (IV) oxide instead of this type of cell is small. Most commonly used in sound for deaf people or used in other devices, such as games, hit the wrist watch calculator. Camera.The reaction occurs in a cell, mercury is as follows:At anode: zinc hydroxide ion and electron reaction. So the equation.Zn(s) + 2OH-(aq) ZnO(s) + H2O(l) + 2e-At the cathode: Mercury (II) oxide and water is the reaction equation, electron.HgO(s) + H2O(l) + 2e- Hg(l) + 2OH-(aq)Total equation Zn (s) + HgO (s) ZnO (s) + Hg (l)This type of cell, electric potential of approximately 1.3 volts, a low electric current, but there can be advantages to the electric potential is almost constant throughout the lifetime.The cells. There's something like a cell, mercury, silver oxide, compounds used instead of mercury (II) oxide.
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