Gibbs Free Energy Change Calculator

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✖The Number of moles of electron is the number of moles of electron required to consume or produce given amount of substance.ⓘ Number of Moles of Electron [n_electron]			+10% -10%
✖Electrode Potential of a System is the electromotive force of a galvanic cell built from a standard reference electrode and another electrode to be characterized.ⓘ Electrode Potential of a System [E]			+10% -10%

✖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 [ΔG]

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Formula

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Gibbs Free Energy Change

Formula

`"ΔG" = -"n"_{"electron"}*"[Faraday]"/"E"`

Example

`"-70.5639KJ"=-"49"*"[Faraday]"/"67V"`

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Gibbs Free Energy Change Solution

STEP 0: Pre-Calculation Summary

Formula Used

Gibbs Free Energy Change = -Number of Moles of Electron*[Faraday]/Electrode Potential of a System
ΔG = -n_electron*[Faraday]/E
This formula uses 1 Constants, 3 Variables

Constants Used

[Faraday] - Faraday constant Value Taken As 96485.33212

Variables Used

Gibbs Free Energy Change - (Measured in Joule) - The Gibbs Free Energy Change is a measure of the maximum amount of work that can be performed during a chemical process ( ΔG=wmax ).
Number of Moles of Electron - The Number of moles of electron is the number of moles of electron required to consume or produce given amount of substance.
Electrode Potential of a System - (Measured in Volt) - Electrode Potential of a System is the electromotive force of a galvanic cell built from a standard reference electrode and another electrode to be characterized.

STEP 1: Convert Input(s) to Base Unit

Number of Moles of Electron: 49 --> No Conversion Required
Electrode Potential of a System: 67 Volt --> 67 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔG = -n_electron*[Faraday]/E --> -49*[Faraday]/67

Evaluating ... ...

ΔG = -70563.8996101493

STEP 3: Convert Result to Output's Unit

-70563.8996101493 Joule -->-70.5638996101492 Kilojoule (Check conversion here)

FINAL ANSWER

-70.5638996101492 ≈ -70.5639 Kilojoule <-- Gibbs Free Energy Change

(Calculation completed in 00.020 seconds)

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Created by Pragati Jaju

College Of Engineering (COEP), Pune

Pragati Jaju has created this Calculator and 50+ more calculators!

Verified by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has verified this Calculator and 900+ more calculators!

< 14 Chemical Thermodynamics Calculators

Gibbs Free Entropy

Go Gibbs Free Entropy = Entropy-((Internal Energy+(Pressure*Volume))/Temperature)

Volume given Gibbs and Helmholtz Free Entropy

Go Volume given Gibbs and Helmholtz Entropy = ((Helmholtz Entropy-Gibbs Free Entropy)*Temperature)/Pressure

Gibbs Free Entropy given Helmholtz Free Entropy

Go Gibbs Free Entropy = Helmholtz Free Entropy-((Pressure*Volume)/Temperature)

Gibbs Free Energy Change

Go Gibbs Free Energy Change = -Number of Moles of Electron*[Faraday]/Electrode Potential of a System

Electrode Potential given Gibbs Free Energy

Go Electrode Potential = -Gibbs Free Energy Change/(Number of Moles of Electron*[Faraday])

Cell Potential given Change in Gibbs Free Energy

Go Cell Potential = -Gibbs Free Energy Change/(Moles of Electron Transferred*[Faraday])

Classical Part of Gibbs Free Entropy given Electric Part

Go Classical part gibbs free entropy = (Gibbs Free Entropy of System-Electric part gibbs free entropy)

Helmholtz Free Entropy

Go Helmholtz Free Entropy = (Entropy-(Internal Energy/Temperature))

Entropy given Internal Energy and Helmholtz Free Entropy

Go Entropy = Helmholtz Free Entropy+(Internal Energy/Temperature)

Classical Part of Helmholtz Free Entropy given Electric Part

Go Classical Helmholtz Free Entropy = (Helmholtz Free Entropy-Electric Helmholtz Free Entropy)

Gibbs Free Energy

Go Gibbs Free Energy = Enthalpy-Temperature*Entropy

Helmholtz Free Energy given Helmholtz Free Entropy and Temperature

Go Helmholtz Free Energy of System = -(Helmholtz Free Entropy*Temperature)

Helmholtz Free Entropy given Helmholtz Free Energy

Go Helmholtz Free Entropy = -(Helmholtz Free Energy of System/Temperature)

Gibbs Free Energy given Gibbs Free Entropy

Go Gibbs Free Energy = (-Gibbs Free Entropy*Temperature)

< 17 Second Laws of Thermodynamics Calculators

Volume given Gibbs and Helmholtz Free Entropy

Go Volume given Gibbs and Helmholtz Entropy = ((Helmholtz Entropy-Gibbs Free Entropy)*Temperature)/Pressure

Gibbs Free Entropy given Helmholtz Free Entropy

Go Gibbs Free Entropy = Helmholtz Free Entropy-((Pressure*Volume)/Temperature)

Pressure given Gibbs and Helmholtz Free Entropy

Go Pressure = ((Helmholtz Free Entropy-Gibbs Free Entropy)*Temperature)/Volume

Gibbs Free Energy Change

Go Gibbs Free Energy Change = -Number of Moles of Electron*[Faraday]/Electrode Potential of a System

Electrode Potential given Gibbs Free Energy

Go Electrode Potential = -Gibbs Free Energy Change/(Number of Moles of Electron*[Faraday])

Cell Potential given Change in Gibbs Free Energy

Go Cell Potential = -Gibbs Free Energy Change/(Moles of Electron Transferred*[Faraday])

Classical Part of Gibbs Free Entropy given Electric Part

Go Classical part gibbs free entropy = (Gibbs Free Entropy of System-Electric part gibbs free entropy)

Helmholtz Free Entropy

Go Helmholtz Free Entropy = (Entropy-(Internal Energy/Temperature))

Entropy given Internal Energy and Helmholtz Free Entropy

Go Entropy = Helmholtz Free Entropy+(Internal Energy/Temperature)

Internal Energy given Helmholtz Free Entropy and Entropy

Go Internal Energy = (Entropy-Helmholtz Free Entropy)*Temperature

Classical Part of Helmholtz Free Entropy given Electric Part

Go Classical Helmholtz Free Entropy = (Helmholtz Free Entropy-Electric Helmholtz Free Entropy)

Electric Part of Helmholtz Free Entropy given Classical Part

Go Electric Helmholtz Free Entropy = (Helmholtz Free Entropy-Classical Helmholtz Free Entropy)

Helmholtz Free Entropy given Classical and Electric Part

Go Helmholtz Free Entropy = (Classical Helmholtz Free Entropy+Electric Helmholtz Free Entropy)

Gibbs Free Energy

Go Gibbs Free Energy = Enthalpy-Temperature*Entropy

Helmholtz Free Energy given Helmholtz Free Entropy and Temperature

Go Helmholtz Free Energy of System = -(Helmholtz Free Entropy*Temperature)

Helmholtz Free Entropy given Helmholtz Free Energy

Go Helmholtz Free Entropy = -(Helmholtz Free Energy of System/Temperature)

Gibbs Free Energy given Gibbs Free Entropy

Go Gibbs Free Energy = (-Gibbs Free Entropy*Temperature)

Gibbs Free Energy Change Formula

Gibbs Free Energy Change = -Number of Moles of Electron*[Faraday]/Electrode Potential of a System
ΔG = -n_electron*[Faraday]/E

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 of a System 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 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_electron) & Electrode Potential of a System (E) and hit the calculate button. Here is how the Gibbs Free Energy Change calculation can be explained with given input values -> -0.070564 = -49*[Faraday]/67.

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_electron*[Faraday]/E or Gibbs Free Energy Change = -Number of Moles of Electron*[Faraday]/Electrode Potential of a System. The Number of moles of electron is the number of moles of electron required to consume or produce given amount of substance & Electrode Potential of a System 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 of a System. To calculate Gibbs Free Energy Change, you need Number of Moles of Electron (n_electron) & Electrode Potential of a System (E). With our tool, you need to enter the respective value for Number of Moles of Electron & Electrode Potential of a System 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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