Work Done Formula:
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Definition: This calculator computes the work done by an electrochemical cell based on the moles of electrons transferred and the cell potential.
Purpose: It helps chemists and engineers determine the energy output of electrochemical cells used in batteries, electrolysis, and other electrochemical processes.
The calculator uses the formula:
Where:
Explanation: The work done is calculated by multiplying the moles of electrons transferred by the Faraday constant and the cell potential.
Details: Calculating work done helps in designing efficient electrochemical systems, predicting battery performance, and understanding energy requirements for electrolysis processes.
Tips: Enter the moles of electrons transferred and the cell potential in volts. Both values must be positive numbers.
Q1: What is the Faraday constant?
A: The Faraday constant represents the electric charge carried by one mole of electrons (approximately 96485 C/mol).
Q2: How do I find the moles of electrons transferred?
A: Determine the balanced redox reaction and count the number of electrons involved in the half-reactions.
Q3: What units does this calculator use?
A: The calculator uses moles (mol) for electron transfer, volts (V) for cell potential, and outputs work in joules (J).
Q4: Can this be used for battery calculations?
A: Yes, this formula is fundamental for calculating the theoretical maximum work output of batteries.
Q5: What's the relationship between work and cell potential?
A: Work is directly proportional to cell potential - higher potential means more work can be done per mole of electrons.