prezentacja programu powerpointtitration is a method of quantitative analysis consisting of gradual...
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Current in metals (class I conductors) is coordinated flow of electrons, while in
electrolytes (class II conductors – it is flow of ions. What
phenomenon is responsible for the
current flow across the metal/solution
interface?
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This cell is known as a Daniell cell (after its inventor). In electrochemistry
both processes, i.e., reduction and oxidation, are separated in space
and the electrons flow from their donor (the reductant) to their
acceptor (the oxidant) via an external circuit.
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Variable capacity mus be added when AC is employed to balance the phase
shift in the two branches of the Wheatsone bridge.
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KCl may be easily purified.
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Practical formula allows for conductivity in S/cm and concentration in
moles/dm3.
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The data suggest a different mechanism of conductance in the case of the two
ions.
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Dicarboxylic acid: e.g. Oxalic acid (COOH)2.
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