A frequent high school science demonstration is electrolysis of water, a schematic of which is shown in Fig. 10.8.

cathode anode

Fig. 10.8 Cell for electrolysis of water

If the cell were operated in the equilibrium mode (i.e., if the battery voltage just balanced the cell potential), the gases would not be produced at the two platinum electrodes. The equilibrium EMF of the cell is obtained from the Nernst equations for half-cell reactions 1 and 3 in Table 10.1:

Getting Started With Solar

Getting Started With Solar

Do we really want the one thing that gives us its resources unconditionally to suffer even more than it is suffering now? Nature, is a part of our being from the earliest human days. We respect Nature and it gives us its bounty, but in the recent past greedy money hungry corporations have made us all so destructive, so wasteful.

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