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The EMF of Cell or electromotive force of a cell is the maximum potential difference between two electrodes of a cell. Check FAQs
EMF=E0cell-([R]⋅T⋅ln(Q)[Faraday]⋅z)
EMF - EMF of Cell?E0cell - Standard Potential of Cell?T - Temperature?Q - Reaction Quotient?z - Ionic Charge?[R] - Universal gas constant?[Faraday] - Faraday constant?

EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature Example

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Here is how the EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature equation looks like with Values.

Here is how the EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature equation looks like with Units.

Here is how the EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature equation looks like.

0.3264Edit=0.34Edit-(8.3145⋅85Edit⋅ln(50Edit)96485.3321⋅2.1Edit)
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HomeIcon Home » Category Chemistry » Category Electrochemistry » Category EMF of Concentration Cell » fx EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature

EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature Solution

Follow our step by step solution on how to calculate EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature?

FIRST Step Consider the formula
EMF=E0cell-([R]⋅T⋅ln(Q)[Faraday]⋅z)
Next Step Substitute values of Variables
∴ EMF=0.34V-([R]⋅85K⋅ln(50)[Faraday]⋅2.1C)
Next Step Substitute values of Constants
∴ EMF=0.34V-(8.3145⋅85K⋅ln(50)96485.3321⋅2.1C)
Next Step Prepare to Evaluate
∴ EMF=0.34-(8.3145⋅85⋅ln(50)96485.3321⋅2.1)
Next Step Evaluate
∴EMF=0.326354988060527V
LAST Step Rounding Answer
∴EMF=0.3264V

EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature Formula Elements

Variables
Constants
Functions
EMF of Cell
The EMF of Cell or electromotive force of a cell is the maximum potential difference between two electrodes of a cell.
Symbol: EMF
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Formulas to find EMF of CellOpen Variable
Standard Potential of Cell
The Standard Potential of Cell is the potential of the cell under standard state conditions, which is approximated with concentrations of 1 mole per liter (1 M) and pressures of 1 atmosphere at 25 °C.
Symbol: E0cell
Measurement: Electric PotentialUnit: V
Note: Value can be positive or negative.
Formulas to find Standard Potential of CellOpen Variable
Temperature
Temperature is the degree or intensity of heat present in a substance or object.
Symbol: T
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Formulas to find TemperatureOpen Variable
Reaction Quotient
The reaction quotient (Q) measures the relative amounts of products and reactants present during a reaction at a particular point in time.
Symbol: Q
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Formulas to find Reaction QuotientOpen Variable
Ionic Charge
The Ionic Charge is the electrical charge of an ion, created by the gain (negative charge) or loss (positive charge) of one or more electrons from an atom or group of atoms.
Symbol: z
Measurement: Electric ChargeUnit: C
Note: Value can be positive or negative.
Formulas to find Ionic ChargeOpen Variable
Universal gas constant
Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.
Symbol: [R]
Value: 8.31446261815324
Faraday constant
Faraday constant represents the charge of one mole of electrons and is used in electrochemistry to relate the amount of substance undergoing oxidation.
Symbol: [Faraday]
Value: 96485.33212
ln
The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.
Syntax: ln(Number)

Other Formulas to find EMF of Cell

​Go EMF of Due Cell
EMF=Ecathode-Eanode
​Go EMF of Concentration Cell without Transference given Activities
EMF=([R]⋅T[Faraday])⋅(ln(a2a1))
​Go EMF of Concentration Cell without Transference given Molalities and Activity Coefficient
EMF=2⋅([R]⋅T[Faraday])⋅(ln(m2⋅γ2m1⋅γ1))
​Go EMF of Concentration Cell without Transference given Concentration and Fugacity
EMF=2⋅([R]⋅T[Faraday])⋅ln(c2⋅f2c1⋅f1)

How to Evaluate EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature?

EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature evaluator uses EMF of Cell = Standard Potential of Cell-([R]*Temperature*ln(Reaction Quotient)/([Faraday]*Ionic Charge)) to evaluate the EMF of Cell, The EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature enables the determination of cell potential under non-standard conditions. It relates the measured cell potential to the reaction quotient and allows the accurate determination of equilibrium constants (including solubility constants). EMF of Cell is denoted by EMF symbol.

How to evaluate EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature using this online evaluator? To use this online evaluator for EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature, enter Standard Potential of Cell (E0cell), Temperature (T), Reaction Quotient (Q) & Ionic Charge (z) and hit the calculate button.

FAQs on EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature

What is the formula to find EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature?
The formula of EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature is expressed as EMF of Cell = Standard Potential of Cell-([R]*Temperature*ln(Reaction Quotient)/([Faraday]*Ionic Charge)). Here is an example- 0.325673 = 0.34-([R]*85*ln(50)/([Faraday]*2.1)).
How to calculate EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature?
With Standard Potential of Cell (E0cell), Temperature (T), Reaction Quotient (Q) & Ionic Charge (z) we can find EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature using the formula - EMF of Cell = Standard Potential of Cell-([R]*Temperature*ln(Reaction Quotient)/([Faraday]*Ionic Charge)). This formula also uses Universal gas constant, Faraday constant and Natural Logarithm (ln) function(s).
What are the other ways to Calculate EMF of Cell?
Here are the different ways to Calculate EMF of Cell-
  • EMF of Cell=Standard Reduction Potential of Cathode-Standard Oxidation Potential of AnodeOpenImg
  • EMF of Cell=(([R]*Temperature)/[Faraday])*(ln(Cathodic Ionic Activity/Anodic Ionic Activity))OpenImg
  • EMF of Cell=2*(([R]*Temperature)/[Faraday])*(ln((Cathodic Electrolyte Molality*Cathodic Activity Coefficient)/(Anodic Electrolyte Molality*Anodic Activity Coefficient)))OpenImg
Can the EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature be negative?
Yes, the EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature, measured in Electric Potential can be negative.
Which unit is used to measure EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature?
EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature is usually measured using the Volt[V] for Electric Potential. Millivolt[V], Microvolt[V], Nanovolt[V] are the few other units in which EMF of Cell using Nerst Equation given Reaction Quotient at Any Temperature can be measured.
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