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Topic: standart electrode potential  (Read 2009 times)

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Offline chantiella

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standart electrode potential
« on: May 17, 2011, 02:21:29 AM »
How from standart electrode potentials know if reaction is possible?
For example,how from standart electrode potential know why reaction K2Cr2O7+NaCl+H2SO4 :rarrow: is impossible?
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Offline DevaDevil

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Re: standart electrode potential
« Reply #1 on: May 17, 2011, 11:54:41 AM »
1) write half-cell reactions

2) Ecell0 = Ecathode0 - Eanode0

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