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The mass of a substance, according to Faraday's law, produced or consumed by electrolysiswith 100% current efficiency during the flow of a quantity of electricity equal to 1 faradayor 96,487 coulomb(1 coulomb corresponds to a current of 1 ampere during 1 second). Electrochemical equivalents are essential in the calculation of the current efficiency of an electrodeprocess.
The electrochemical equivalent of a substance is equal to the gram-atomic or gram-molecular mass of this substance divided by the number of electrons involved in the electrode reaction. For example, the electrochemical-2equivalent of zinc, for which two electrons are required in order to deposit one atom, is Zn/2 or 65.37/2 g. Thus, the faraday is equal to the product of the charge of the electron times the number of electrons (the avogadro-s-number) required to react with 1 atom- or molecule-equivalent of substance. See also Coulometer.
What else can I help you with?
How do you detect the equivalence point in acidic medium?
In acidic medium, the equivalence point can be detected using an acid-base indicator that undergoes a color change at the pH corresponding to the equivalence point. Alternatively, a pH meter can be used to monitor the pH of the solution during the titration, with the equivalence point identified as the point of maximum change in pH.
What is the Nernst equation and how does it relate to the equilibrium constant in electrochemical reactions?
The Nernst equation is a formula that relates the concentration of reactants and products in an electrochemical reaction to the cell potential. It helps calculate the equilibrium constant for the reaction at a specific temperature. The equation is used to determine the direction and extent of a reaction in an electrochemical cell.
What is the method to calculate the pH at the equivalence point for a titration involving a strong acid and a weak base?
To calculate the pH at the equivalence point for a titration involving a strong acid and a weak base, you can use the formula pH 7 (pKa of the weak base). This is because at the equivalence point, the solution contains only the conjugate acid of the weak base, which determines the pH.
How do you calculate the number of equivalents of NaOH required to reach the equivalence point in a titration?
To calculate the number of equivalents of NaOH needed for the equivalence point in a titration, you can use the formula: Number of equivalents (Volume of acid) x (Molarity of acid) x (Number of acidic hydrogens) This formula takes into account the volume and molarity of the acid being titrated, as well as the number of acidic hydrogens present in the acid. By plugging in these values, you can determine the number of equivalents of NaOH needed to reach the equivalence point.
Is the anode negative in an electrochemical cell?
Yes, the anode is negative in an electrochemical cell.
How do you detect the equivalence point in acidic medium?
In acidic medium, the equivalence point can be detected using an acid-base indicator that undergoes a color change at the pH corresponding to the equivalence point. Alternatively, a pH meter can be used to monitor the pH of the solution during the titration, with the equivalence point identified as the point of maximum change in pH.
What did albert eistein discover?
the mass energy equivalence formula
What is the mass energy equivalence formula?
The mass-energy equivalence formula is E=mc^2, where E represents energy, m is mass, and c is the speed of light in a vacuum. This formula shows the relationship between mass and energy, suggesting that mass and energy are interchangeable and can be converted into each other.
What is the formula to find electrochemical equivalent?
Z=E/96500 g by Tahir Mehmmood tahir10621@yahoo.com
What was Einstein's famous equation called?
e=mc squared the energy mass equivalence formula.
What is the Nernst equation and how does it relate to the equilibrium constant in electrochemical reactions?
The Nernst equation is a formula that relates the concentration of reactants and products in an electrochemical reaction to the cell potential. It helps calculate the equilibrium constant for the reaction at a specific temperature. The equation is used to determine the direction and extent of a reaction in an electrochemical cell.
What is the O level equivalence formula employed by IBCC of Pakistan?
(total max in 8 sbjects/800) *850
What is the Nernst equation and how does it apply to electrochemical reactions at room temperature?
The Nernst equation is a formula that relates the voltage of an electrochemical cell to the concentrations of reactants and products involved in the reaction. It helps determine the equilibrium potential of a cell at room temperature by taking into account the concentration of ions and their charges. This equation is important in understanding how electrochemical reactions proceed and the conditions under which they occur.
When was Electrochemical Society created?
Electrochemical Society was created in 1902.
What is the method to calculate the pH at the equivalence point for a titration involving a strong acid and a weak base?
To calculate the pH at the equivalence point for a titration involving a strong acid and a weak base, you can use the formula pH 7 (pKa of the weak base). This is because at the equivalence point, the solution contains only the conjugate acid of the weak base, which determines the pH.
How do you calculate the number of equivalents of NaOH required to reach the equivalence point in a titration?
To calculate the number of equivalents of NaOH needed for the equivalence point in a titration, you can use the formula: Number of equivalents (Volume of acid) x (Molarity of acid) x (Number of acidic hydrogens) This formula takes into account the volume and molarity of the acid being titrated, as well as the number of acidic hydrogens present in the acid. By plugging in these values, you can determine the number of equivalents of NaOH needed to reach the equivalence point.
Is the anode negative in an electrochemical cell?
Yes, the anode is negative in an electrochemical cell.
