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Results tagged with electrochemistry
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user 139890
The branch of chemistry that deals with the study of redox reactions and how they can be applied to generate electricity (in electrochemical cells) and to carry out non-spontaneous reactions using electricity (electrolysis).
1
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Carrying out electrolysis of very dilute NaCl for a long time
During the electrolysis of aqueous sodium chloride solution, the products are $\ce{NaOH}$, $\ce{Cl2}$ and $\ce{H2}$ . In this case besides $\ce{Na+}$ and $\ce{Cl–}$ ions we also have $\ce{H+}$ and $\c …
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4
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2
answers
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Acid dissociation constant from conductometric data
$\ce{0.007 M}$ aq. solution of anilinium hydrochloride had molar conductivity equal to $\pu{119.4 S cm2 mol-1}$, which became $\pu{103 S cm2 mol-1}$ when a few drops of aniline were added to the solu …
- 830
-1
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How do I explain that voltage decreases when increasing the concentration of the cathode in ...
Nernst eqn says that,
$$E_c=E^o_c-\frac{0.059}{n}logQ_c$$.
Now $Q_c = \frac{products}{reactants}$
If I take the cell reaction $\ce{Zn + Cu^2+ -> Zn^2+ + Cu}$,
$Q_c=\frac{[\ce{Zn^2+}](anode)}{[\ce{Cu^2 …
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