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Tagged with conductivity physical-chemistry
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Electrical conductivity of graphite
On this Wikipedia page, the electrical conductivity of various materials are given in the third column ($\sigma \text{ (S/m) at 20}^\circ \text{C}$). I am interested in the entry for Carbon (graphite)...
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How strict is the "to excite electrons the energy must equal the energy state difference" fact?
We are always told that to excite an electron from one state to a higher energy states, for example from the valance band to the conduction band, the energy must equal the energy difference between ...
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How does conductivity work for non-redoxed ions?
Related (very similar, but here I want a mechanism) https://physics.stackexchange.com/q/21827/7433
By the Kohlrausch law, all ions contribute to the conductivity of an electrolyte.
Now, as I ...
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