Gibbs Energy of Reaction Solution

STEP 0: Pre-Calculation Summary
Formula Used
Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
ΔGreaction = ΔGps-ΔGreactants
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
ΔGreaction = ΔGps-ΔGreactants --> 20-250
Evaluating ... ...
ΔGreaction = -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)

Credits

Created by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
Akshada Kulkarni has created this Calculator and 500+ more calculators!
Verified by Pragati Jaju
College Of Engineering (COEP), Pune
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25 Thermodynamics in Chemical Equilibrium Calculators

Equilibrium Constant 2 in Temperature Range T1 and T2
Go Equilibrium constant 2 = Equilibrium constant 1*exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
Equilibrium Constant 1 in Temperature Range T1 and T2
Go Equilibrium constant 1 = Equilibrium constant 2/exp((Change in Enthalpy/[R])*((Final Temperature at Equilibrium-Initial Temperature at Equilibrium)/(Initial Temperature at Equilibrium*Final Temperature at Equilibrium)))
Standard Enthalpy at Initial Temperature T1
Go Change in Enthalpy = (2.303*[R]*Initial Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 1))
Standard Enthalpy at Final Temperature T2
Go Change in Enthalpy = (2.303*[R]*Final Temperature at Equilibrium)*((Change in Entropy/(2.303*[R]))-log10(Equilibrium constant 2))
Standard Entropy Change at Final Temperature T2
Go Change in Entropy = (2.303*[R])*(Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium)+log10(Equilibrium constant 2))
Standard Enthalpy of Reaction at Equilibrium
Go Change in Enthalpy = (Temperature*Change in Entropy)-(2.303*[R]*Temperature*log10(Equilibrium Constant))
Standard Entropy Change at Equilibrium
Go Change in Entropy = (Change in Enthalpy+(2.303*[R]*Temperature*log10(Equilibrium Constant)))/Temperature
Equilibrium Constant at Initial Temperature T1
Go Equilibrium constant 1 = 10^((-Change in Enthalpy/(2.303*[R]*Initial Temperature at Equilibrium))+(Change in Entropy/(2.303*[R])))
Equilibrium Constant at Final Temperature T2
Go Equilibrium constant 2 = 10^((-Change in Enthalpy/(2.303*[R]*Final Temperature at Equilibrium))+Change in Entropy/(2.303*[R]))
Standard Entropy Change at Initial Temperature T1
Go Change in Entropy = (2.303*[R]*log10(Equilibrium constant 1))+(Change in Enthalpy/Initial Temperature at Equilibrium)
Equilibrium Constant at Equilibrium
Go Equilibrium Constant = 10^((-Change in Enthalpy+(Change in Entropy*Temperature))/(2.303*[R]*Temperature))
Equilibrium Constant due to Pressure Given Gibbs Energy
Go Equilibrium Constant for Partial Pressure = exp(-(Gibbs Free Energy/(2.303*[R]*Temperature)))
Temperature of Reaction given Equilibrium Constant of Pressure and Gibbs Energy
Go Temperature = Gibbs Free Energy/(-2.303*[R]*ln(Equilibrium Constant for Partial Pressure))
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 at Equilibrium given Gibbs Energy
Go Equilibrium Constant = exp(-(Gibbs Free Energy/([R]*Temperature)))
Equilibrium constant given Gibbs free energy
Go Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature)))
Temperature of Reaction given Standard Enthalpy and Entropy Change
Go Temperature = (Change in Enthalpy-Gibbs Free Energy)/Change in Entropy
Standard Enthalpy of Reaction given Gibbs Free Energy
Go Change in Enthalpy = Gibbs Free Energy+(Temperature*Change in Entropy)
Standard Entropy Change given Gibbs Free Energy
Go Change in Entropy = (Change in Enthalpy-Gibbs Free Energy)/Temperature
Gibbs Free Energy given Standard Enthalpy
Go Gibbs Free Energy = Change in Enthalpy-(Temperature*Change in Entropy)
Gibbs Energy of Reactants
Go Gibbs Free Energy Reactants = Gibbs Free Energy Products-Gibbs Free Energy Reaction
Gibbs Energy of Reaction
Go Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
Gibbs Energy of Products
Go Gibbs Free Energy Products = Gibbs Free Energy Reaction+Gibbs Free Energy Reactants

Gibbs Energy of Reaction Formula

Gibbs Free Energy Reaction = Gibbs Free Energy Products-Gibbs Free Energy Reactants
ΔGreaction = ΔGps-ΔGreactants

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 ΔGreaction 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 (ΔGps) & Gibbs Free Energy Reactants (ΔGreactants) 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 ΔGreaction = ΔGps-ΔGreactants 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 (ΔGps) & Gibbs Free Energy Reactants (ΔGreactants). 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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