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Gibbs Free Energy given Equilibrium Constant Calculator

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✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]			+10% -10%
✖Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.ⓘ Equilibrium Constant [K_c]			+10% -10%

✖Gibbs Free Energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.ⓘ Gibbs Free Energy given Equilibrium Constant [G]

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Gibbs Free Energy given Equilibrium Constant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant)
G = -2.303*[R]*T*log10(K_c)
This formula uses 1 Constants, 1 Functions, 3 Variables

Constants Used

[R] - Universal gas constant Value Taken As 8.31446261815324

Functions Used

log10 - The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function., log10(Number)

Variables Used

Gibbs Free Energy - (Measured in Joule) - Gibbs Free Energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
Equilibrium Constant - (Measured in Mole per Cubic Meter) - Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.

STEP 1: Convert Input(s) to Base Unit

Temperature: 85 Kelvin --> 85 Kelvin No Conversion Required
Equilibrium Constant: 60 Mole per Liter --> 60000 Mole per Cubic Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G = -2.303*[R]*T*log10(K_c) --> -2.303*[R]*85*log10(60000)

Evaluating ... ...

G = -7776.90765002958

STEP 3: Convert Result to Output's Unit

-7776.90765002958 Joule -->-7.77690765002958 Kilojoule (Check conversion here)

FINAL ANSWER

-7.77690765002958 ≈ -7.776908 Kilojoule <-- Gibbs Free Energy

(Calculation completed in 00.004 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

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< Thermodynamics in Chemical Equilibrium Calculators

Gibbs Free Energy given Equilibrium Constant due to Pressure

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

Temperature of Reaction given Equilibrium Constant and Gibbs Energy

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

Gibbs Free Energy given Equilibrium Constant

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

Equilibrium constant given Gibbs free energy

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

Gibbs Free Energy given Equilibrium Constant Formula

LaTeX Go

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

What is equilibrium constant?

Equilibrium constant is defined as the product of concentration of products at equilibrium by the product of concentration of reactants at equilibrium. This representation is known as equilibrium law or chemical equilibrium. The thermodynamically correct equilibrium constant expression relates the activities of all of the species present in the reaction.

How to Calculate Gibbs Free Energy given Equilibrium Constant?

Gibbs Free Energy given Equilibrium Constant calculator uses Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant) to calculate the Gibbs Free Energy, The Gibbs free energy given equilibrium constant formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state and Kc or, Kp be the thermodynamic equilibrium constant of the reaction. Gibbs Free Energy is denoted by G symbol.

How to calculate Gibbs Free Energy given Equilibrium Constant using this online calculator? To use this online calculator for Gibbs Free Energy given Equilibrium Constant, enter Temperature (T) & Equilibrium Constant (K_c) and hit the calculate button. Here is how the Gibbs Free Energy given Equilibrium Constant calculation can be explained with given input values -> -0.007777 = -2.303*[R]*85*log10(60000).

FAQ

What is Gibbs Free Energy given Equilibrium Constant?

The Gibbs free energy given equilibrium constant formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state and Kc or, Kp be the thermodynamic equilibrium constant of the reaction and is represented as G = -2.303*[R]*T*log10(K_c) or Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant). Temperature is the degree or intensity of heat present in a substance or object & Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.

How to calculate Gibbs Free Energy given Equilibrium Constant?

The Gibbs free energy given equilibrium constant formula is defined as the difference in free energy of the reaction when all the reactants and products are in the standard state and Kc or, Kp be the thermodynamic equilibrium constant of the reaction is calculated using Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant). To calculate Gibbs Free Energy given Equilibrium Constant, you need Temperature (T) & Equilibrium Constant (K_c). With our tool, you need to enter the respective value for Temperature & Equilibrium Constant and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Gibbs Free Energy?

In this formula, Gibbs Free Energy uses Temperature & Equilibrium Constant. We can use 2 other way(s) to calculate the same, which is/are as follows -

Gibbs Free Energy = -2.303*[R]*Temperature*ln(Equilibrium Constant for Partial Pressure)
Gibbs Free Energy = Change in Enthalpy-(Temperature*Change in Entropy)

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