Chemistry factors affecting electrochemical cells essay

For weak electrolytes the variation of with dilution can be explained on the bases of number of ions in solution. In general, the molar conductance of an electrolyte increases with decrease in concentration or increase in dilution.

Therefore, the solutions of weak electrolytes have low conductance. The answer is resistance, which in turn affects the maximum amount of current that a cell can provide. Every voltaic cell contains some amount of internal resistance due to the electrodes and the electrolyte.

The molar conductance of strong electrolyte as well as weak electrolyte increase with decrease in concentration or increase in dilution. The number of ions furnished by an electrolyte in solution depends upon the degree of dissociation with dilution.

The variation is however different for strong and weak electrolytes. However, in concentrated solutions of strong electrolytes there are strong forces of attraction between the ions of opposite charges called inter-ionic forces.

Was the language and grammar an issue? The most powerful electrode configuration for IC removal from aqueous solutions by EC consisted in an anode of mild steel and a cathode of aluminium. The variation of molar conductance with concentration can be explained on the basis of conducting ability of ions for weak and strong electrolytes.

The effects of electrode configurations and current regimes on the removal efficiency, energy consumption, electrical operating costs, and electrode dissolution rate are discussed. Thus, the degree of dissociation can be calculated at any concentration as, where is the degree of dissociation, is the molar conductance at concentration C and is the molar conductance at infinite dilution.

The strong electrolytes dissociate almost completely into ions in solutions and, therefore, their solutions have high conductance. The total voltage of a battery is the sum of all cell voltages.

Tell us more Hide this section if you want to rate later Was the final answer of the question wrong? When the concentration of the solution becomes very-very low, the inter-ionic attractions become negligible and the molar conductance approaches the limiting value called molar conductance at infinite dilution.

Concentration of the solution: This value is characteristic of each electrolyte. The larger a cell is constructed, the greater the electrode contact area with the electrolyte, and thus the less internal resistance it will have.

EC operated in AC mode resulted in low efficiencies in any electrode configuration of those considered. To obtain greater voltage than the output of a single cell, multiple cells must be connected in series. Help us make our solutions better Rate this solution on a scale of below We want to correct this solution.

If the physical size of a cell has no impact on its voltage, then what does it affect? The number of ions produced by an electrolyte depends upon its nature. With the increase in dilution, the degree of dissociation For strong electrolytes, there is no increase in the number of ions with dilution because strong electrolytes are completely ionised in solution at all concentrations.

As a result, molar conductivity increases with dilution. On the other hand, weak electrolytes dissociate to only small extents and give lesser number of ions. Therefore, the greater the number of ions in the solution the greater is the conductance.

Were the solution steps not detailed enough? The molar conductance of electrolytic solution varies with the concentration of the electrolyte. Affect of size of the applied voltage or current The size of the cell is irrelevant to its voltage.

Due to these inter-ionic forces the conducting ability of the ions is less in concentrated solutions. Also, it led to higher dissolution rates in case of aluminium electrodes and to a more stable removal of dye when mild steel anode was employed.

With dilution, the ions become far apart from one another and inter-ionic forces decrease. The limiting value of molar conductance corresponds to degree of dissociation equal to 1 i.

Affect of type of electrode:When used in electrochemical studies, a strip of metal is called the electrode.

An electrode immersed in a solution containing ions of the same metal is called a half-cell. A salt bridge is used to join two half-cells in an electrochemical cell. It salt bridge permits the flow of ions between two half-cells.

The three factors, Surface area, Concentration and Temperature. Each of these factors will be explored to see how they affect the current generated by the cell.

Hypothesis. Electrochemical cells are different from normal reactions; however the amount of volts produced by the cell will be effected by the factors that affect chemical reaction rates. The main factors that affect chemical reactions are Temperature.

Factors which Affect Corrosion

Chemistry Study Material; Electrochemistry; Factors which Affect Corrosion. The main factors which affect corrosion are. mi-centre.com the reactivity of metal, the more will be the possibility of the metal getting corroded. mi-centre.com impurities help in setting up voltaic cells, which increase the.

If both are used together in an electrochemical cell, this should more reactive than other elements (electrodes, such as zinc, calcium, aluminium and).

With a higher reactivity rate, the voltage also increases because of the number of ions released which related to a greater conductance. [The rusting of iron is an electrochemical process that begins with the transfer of electrons from iron to oxygen. The iron is the reducing agent (gives up electrons) while the.

factors that affect the performance of an electrochemical cell. 1 answer below┬╗ how does the cocentration of electrolyte,the type of electrolyte,the type of electrode and the size of the applied voltage or current affects the prrformance of an electrolytic cell.

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Chemistry factors affecting electrochemical cells essay
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