Equilibrium constant given Gibbs free energy Solution

STEP 0: Pre-Calculation Summary
Formula Used
Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature)))
Kc = 10^(-(G/(2.303*[R]*T)))
This formula uses 1 Constants, 3 Variables
Constants Used
[R] - Universal gas constant Value Taken As 8.31446261815324
Variables Used
Equilibrium Constant - (Measured in Mole per Cubic Meter) - Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.
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.
STEP 1: Convert Input(s) to Base Unit
Gibbs Free Energy: 0.22861 Kilojoule --> 228.61 Joule (Check conversion ​here)
Temperature: 85 Kelvin --> 85 Kelvin No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Kc = 10^(-(G/(2.303*[R]*T))) --> 10^(-(228.61/(2.303*[R]*85)))
Evaluating ... ...
Kc = 0.723671470887063
STEP 3: Convert Result to Output's Unit
0.723671470887063 Mole per Cubic Meter -->0.000723671470887063 Mole per Liter (Check conversion ​here)
FINAL ANSWER
0.000723671470887063 0.000724 Mole per Liter <-- Equilibrium Constant
(Calculation completed in 00.005 seconds)

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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)))

Equilibrium constant given Gibbs free energy Formula

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

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 Equilibrium constant given Gibbs free energy?

Equilibrium constant given Gibbs free energy calculator uses Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature))) to calculate the Equilibrium Constant, The Equilibrium constant given Gibbs free energy formula is defined as the ratio of the product concentrations to reactant concentrations. Equilibrium Constant is denoted by Kc symbol.

How to calculate Equilibrium constant given Gibbs free energy using this online calculator? To use this online calculator for Equilibrium constant given Gibbs free energy, enter Gibbs Free Energy (G) & Temperature (T) and hit the calculate button. Here is how the Equilibrium constant given Gibbs free energy calculation can be explained with given input values -> 7.2E-7 = 10^(-(228.61/(2.303*[R]*85))).

FAQ

What is Equilibrium constant given Gibbs free energy?
The Equilibrium constant given Gibbs free energy formula is defined as the ratio of the product concentrations to reactant concentrations and is represented as Kc = 10^(-(G/(2.303*[R]*T))) or Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature))). 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 is the degree or intensity of heat present in a substance or object.
How to calculate Equilibrium constant given Gibbs free energy?
The Equilibrium constant given Gibbs free energy formula is defined as the ratio of the product concentrations to reactant concentrations is calculated using Equilibrium Constant = 10^(-(Gibbs Free Energy/(2.303*[R]*Temperature))). To calculate Equilibrium constant given Gibbs free energy, you need Gibbs Free Energy (G) & Temperature (T). With our tool, you need to enter the respective value for Gibbs Free Energy & Temperature 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 Equilibrium Constant?
In this formula, Equilibrium Constant uses Gibbs Free Energy & Temperature. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Equilibrium Constant = exp(-(Gibbs Free Energy/([R]*Temperature)))
  • Equilibrium Constant = 10^((-Change in Enthalpy+(Change in Entropy*Temperature))/(2.303*[R]*Temperature))
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