Pragati Jaju
College Of Engineering (COEP), Pune
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Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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2 Other formulas that you can solve using the same Inputs

Net heat supplied to the joint
Heat required per unit volume=Heat transfer efficiency*Electrode Potential*Electric Current/(Melting efficiency*Travel speed of the electrode*Area(mm<sup>2</sup>)) GO
Electrode Potential (when gibbs free energy is given)
Electrode Potential=-Gibbs Free Energy Change/(Number of moles of electron*[Faraday]) GO

Gibbs free energy change Formula

Gibbs Free Energy Change=-Number of moles of electron*[Faraday]/Electrode Potential
ΔG=-n*[Faraday]/EP
More formulas
EMF of a due cell GO
Nernst Equation GO
Nernst Equation (for solid ,liquids & gases at 1 atom) GO
Electrode Potential (when gibbs free energy is given) GO
Mass of Primary product formed at electrode GO
Conductance GO
Specific Conductance GO
Molar Conductance GO
Equivalent Conductance GO
Kohlrausch Law GO
Degree of dissociation GO
Molar conductivity (when molarity is given) GO
Solubility GO
Limiting Molar Conductivity of Anions GO
Limiting Molar Conductivity of Cations GO
Resistivity GO
Electrical Energy of Electrochemical Cell GO
Ionic Mobility GO
Transport Number for Anion GO
Transport Number for Cation GO
Solubility Product GO
Equilibrium Constant (when degree of dissociation is given) GO
Current Efficiency GO

What is Gibbs Free Energy?

The Gibbs free energy ( measured in joules in SI) is the maximum amount of non-expansion work that can be extracted from a thermodynamically closed system (can exchange heat and work with its surroundings, but not matter). This maximum can be attained only in a completely reversible process.

How to Calculate Gibbs free energy change?

Gibbs free energy change calculator uses Gibbs Free Energy Change=-Number of moles of electron*[Faraday]/Electrode Potential to calculate the Gibbs Free Energy Change, The Gibbs free energy change is a measure of the maximum amount of work that can be performed during a chemical process ( ΔG=wmax ). Gibbs Free Energy Change and is denoted by ΔG symbol.

How to calculate Gibbs free energy change using this online calculator? To use this online calculator for Gibbs free energy change, enter Number of moles of electron (n) and Electrode Potential (EP) and hit the calculate button. Here is how the Gibbs free energy change calculation can be explained with given input values -> -96485.33212 = -50*[Faraday]/50.

FAQ

What is Gibbs free energy change?
The Gibbs free energy change is a measure of the maximum amount of work that can be performed during a chemical process ( ΔG=wmax ) and is represented as ΔG=-n*[Faraday]/EP or Gibbs Free Energy Change=-Number of moles of electron*[Faraday]/Electrode Potential. The Number of moles of electron is the number of moles of electron required to consume or produce given amount of substance and Electrode Potential is the electromotive force of a galvanic cell built from a standard reference electrode and another electrode to be characterized.
How to calculate Gibbs free energy change?
The Gibbs free energy change is a measure of the maximum amount of work that can be performed during a chemical process ( ΔG=wmax ) is calculated using Gibbs Free Energy Change=-Number of moles of electron*[Faraday]/Electrode Potential. To calculate Gibbs free energy change, you need Number of moles of electron (n) and Electrode Potential (EP). With our tool, you need to enter the respective value for Number of moles of electron and Electrode Potential and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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