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Gibbs Energy of Reaction Calculator

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✖Gibbs Free Energy Products is the quantitative measure or the energy associated to do work of the products in a chemical reaction of a system.ⓘ Gibbs Free Energy Products [ΔG_ps]			+10% -10%
✖Gibbs Free Energy Reactants is the quantitative measure of the energy associated to do work of the reactants in a chemical reaction of a system.ⓘ Gibbs Free Energy Reactants [ΔG_reactants]			+10% -10%

✖Gibbs Free Energy Reaction is the enthalpy of the system minus the product of the temperature times the entropy of the chemical reaction.ⓘ Gibbs Energy of Reaction [ΔG_reaction]

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Formula

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Gibbs Energy of Reaction

Formula

ΔG reaction = ΔG ps - ΔG reactants

Example

-230 J = 20 J - 250 J

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Gibbs Energy of Reaction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
ΔG_reaction = ΔG_ps-ΔG_reactants
This formula uses 3 Variables

Variables Used

Gibbs Free Energy Reaction - (Measured in Joule) - Gibbs Free Energy Reaction is the enthalpy of the system minus the product of the temperature times the entropy of the chemical reaction.
Gibbs Free Energy Products - (Measured in Joule) - Gibbs Free Energy Products is the quantitative measure or the energy associated to do work of the products in a chemical reaction of a system.
Gibbs Free Energy Reactants - (Measured in Joule) - Gibbs Free Energy Reactants is the quantitative measure of the energy associated to do work of the reactants in a chemical reaction of a system.

STEP 1: Convert Input(s) to Base Unit

Gibbs Free Energy Products: 20 Joule --> 20 Joule No Conversion Required
Gibbs Free Energy Reactants: 250 Joule --> 250 Joule No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ΔG_reaction = ΔG_ps-ΔG_reactants --> 20-250

Evaluating ... ...

ΔG_reaction = -230

STEP 3: Convert Result to Output's Unit

-230 Joule --> No Conversion Required

FINAL ANSWER

-230 Joule <-- Gibbs Free Energy Reaction

(Calculation completed in 00.004 seconds)

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< Thermodynamics in Chemical Equilibrium Calculators

Gibbs Free Energy given Equilibrium Constant due to Pressure

Go Gibbs Free Energy = -2.303*[R]*Temperature*ln(Equilibrium Constant for Partial Pressure)

Temperature of Reaction given Equilibrium Constant and Gibbs Energy

Go Temperature = Gibbs Free Energy/(-2.303*[R]*log10(Equilibrium Constant))

Gibbs Free Energy given Equilibrium Constant

Go Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant)

Equilibrium constant given Gibbs free energy

Go Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature)))

Gibbs Energy of Reaction Formula

Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
ΔG_reaction = ΔG_ps-ΔG_reactants

What is Gibbs free energy?

In thermodynamics, the Gibbs free energy is a thermodynamic potential that can be used to calculate the maximum reversible work that may be performed by a thermodynamic system at a constant temperature and pressure. This maximum can be attained only in a completely reversible process.

How to Calculate Gibbs Energy of Reaction?

Gibbs Energy of Reaction calculator uses Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants to calculate the Gibbs Free Energy Reaction, The Gibbs energy of reaction formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state of the chemical reaction. Gibbs Free Energy Reaction is denoted by ΔG_reaction symbol.

How to calculate Gibbs Energy of Reaction using this online calculator? To use this online calculator for Gibbs Energy of Reaction, enter Gibbs Free Energy Products (ΔG_ps) & Gibbs Free Energy Reactants (ΔG_reactants) and hit the calculate button. Here is how the Gibbs Energy of Reaction calculation can be explained with given input values -> -230 = 20-250.

FAQ

What is Gibbs Energy of Reaction?

The Gibbs energy of reaction formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state of the chemical reaction and is represented as ΔG_reaction = ΔG_ps-ΔG_reactants or Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants. Gibbs Free Energy Products is the quantitative measure or the energy associated to do work of the products in a chemical reaction of a system & Gibbs Free Energy Reactants is the quantitative measure of the energy associated to do work of the reactants in a chemical reaction of a system.

How to calculate Gibbs Energy of Reaction?

The Gibbs energy of reaction formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state of the chemical reaction is calculated using Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants. To calculate Gibbs Energy of Reaction, you need Gibbs Free Energy Products (ΔG_ps) & Gibbs Free Energy Reactants (ΔG_reactants). With our tool, you need to enter the respective value for Gibbs Free Energy Products & Gibbs Free Energy Reactants 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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