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Gibbs Free Energy given Equilibrium Constant Formula

GoGibbs Free Energy given Equilibrium Constant due to Pressure Formula

GoGibbs Free Energy given Standard Enthalpy Formula

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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. Check FAQs

G = - 2.303 \cdot [R] \cdot T \cdot \log 10 (K c)

G - Gibbs Free Energy?T - Temperature?K_c - Equilibrium Constant?[R] - Universal gas constant?

Gibbs Free Energy given Equilibrium Constant Example

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Here is how the Gibbs Free Energy given Equilibrium Constant equation looks like with Values.

Here is how the Gibbs Free Energy given Equilibrium Constant equation looks like with Units.

Here is how the Gibbs Free Energy given Equilibrium Constant equation looks like.

-7.7769 = - 2.303 \cdot 8.3145 \cdot 85 \cdot \log 10 (60)

-7.7769KJ = - 2.303 \cdot 8.3145 \cdot 85K \cdot \log 10 (60mol/L)

-7.7769 = - 2.303 \cdot 8.3145 \cdot 85 \cdot \log 10 (60)

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Gibbs Free Energy given Equilibrium Constant Solution

Follow our step by step solution on how to calculate Gibbs Free Energy given Equilibrium Constant?

FIRST Step Consider the formula

G = - 2.303 \cdot [R] \cdot T \cdot \log 10 (K c)

Next Step Substitute values of Variables

∴

G = - 2.303 \cdot [R] \cdot 85K \cdot \log 10 (60mol/L)

Next Step Substitute values of Constants

∴

G = - 2.303 \cdot 8.3145 \cdot 85K \cdot \log 10 (60mol/L)

Next Step Convert Units

∴

G = - 2.303 \cdot 8.3145 \cdot 85K \cdot \log 10 (60000mol/m³)

Next Step Prepare to Evaluate

∴

G = - 2.303 \cdot 8.3145 \cdot 85 \cdot \log 10 (60000)

Next Step Evaluate

∴

G = -7776.90765002958J

Next Step Convert to Output's Unit

∴

G = -7.77690765002958KJ

LAST Step Rounding Answer

∴

G = -7.7769KJ

Gibbs Free Energy given Equilibrium Constant Formula Elements

Variables

Constants

Functions

Gibbs Free Energy

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.

Symbol: G

Measurement: EnergyUnit: KJ

Note: Value can be positive or negative.

Formulas to find Gibbs Free Energy

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Equilibrium Constant

Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.

Symbol: K_c

Measurement: Molar ConcentrationUnit: mol/L

Note: Value can be positive or negative.

Formulas to find Equilibrium Constant

Universal gas constant

Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.

Symbol: [R]

Value: 8.31446261815324

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.

Syntax: log10(Number)

Other Formulas to find Gibbs Free Energy

Go Gibbs Free Energy given Equilibrium Constant due to Pressure

G = - 2.303 \cdot [R] \cdot T \cdot \ln (K p)

Go Gibbs Free Energy given Standard Enthalpy

G = ΔH - (T \cdot ΔS)

Other formulas in Thermodynamics in Chemical Equilibrium category

Go Equilibrium constant given Gibbs free energy

K c = 10^{- (\frac{G}{2.303 \cdot [R] \cdot T})}

Go Temperature of Reaction given Equilibrium Constant and Gibbs Energy

T = \frac{G}{- 2.303 \cdot [R] \cdot \log 10 (K c)}

Go Equilibrium Constant due to Pressure Given Gibbs Energy

K p = \exp (- (\frac{G}{2.303 \cdot [R] \cdot T}))

Go Temperature of Reaction given Equilibrium Constant of Pressure and Gibbs Energy

T = \frac{G}{- 2.303 \cdot [R] \cdot \ln (K p)}

How to Evaluate Gibbs Free Energy given Equilibrium Constant?

Gibbs Free Energy given Equilibrium Constant evaluator uses Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant) to evaluate 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 evaluate Gibbs Free Energy given Equilibrium Constant using this online evaluator? To use this online evaluator for Gibbs Free Energy given Equilibrium Constant, enter Temperature (T) & Equilibrium Constant (K_c) and hit the calculate button.

FAQs on Gibbs Free Energy given Equilibrium Constant

What is the formula to find Gibbs Free Energy given Equilibrium Constant?

The formula of Gibbs Free Energy given Equilibrium Constant is expressed as Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant). Here is an example- -0.007777 = -2.303*[R]*85*log10(60000).

How to calculate Gibbs Free Energy given Equilibrium Constant?

With Temperature (T) & Equilibrium Constant (K_c) we can find Gibbs Free Energy given Equilibrium Constant using the formula - Gibbs Free Energy = -2.303*[R]*Temperature*log10(Equilibrium Constant). This formula also uses Universal gas constant and Common Logarithm Function function(s).

What are the other ways to Calculate Gibbs Free Energy?

Here are the different ways to Calculate Gibbs Free Energy-

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

Can the Gibbs Free Energy given Equilibrium Constant be negative?

Yes, the Gibbs Free Energy given Equilibrium Constant, measured in Energy can be negative.

Which unit is used to measure Gibbs Free Energy given Equilibrium Constant?

Gibbs Free Energy given Equilibrium Constant is usually measured using the Kilojoule[KJ] for Energy. Joule[KJ], Gigajoule[KJ], Megajoule[KJ] are the few other units in which Gibbs Free Energy given Equilibrium Constant can be measured.

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Gibbs Free Energy given Equilibrium Constant Formula

​GoGibbs Free Energy given Equilibrium Constant due to Pressure Formula

​GoGibbs Free Energy given Standard Enthalpy Formula

Gibbs Free Energy given Equilibrium Constant Example

Gibbs Free Energy given Equilibrium Constant Solution

Gibbs Free Energy given Equilibrium Constant Formula Elements

Other Formulas to find Gibbs Free Energy

Other formulas in Thermodynamics in Chemical Equilibrium category

How to Evaluate Gibbs Free Energy given Equilibrium Constant?

FAQs on Gibbs Free Energy given Equilibrium Constant

Variable Name

GoGibbs Free Energy given Equilibrium Constant due to Pressure Formula

GoGibbs Free Energy given Standard Enthalpy Formula