Equilibrium Constant Solution

STEP 0: Pre-Calculation Summary
Formula Used
Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant
Kc = Kf/Kb
This formula uses 3 Variables
Variables Used
Equilibrium Constant - (Measured in Mole per Liter) - Equilibrium Constant is the value of its reaction quotient at chemical equilibrium.
Forward reaction rate constant - (Measured in Mole per Liter) - Forward reaction rate constant is the rate of forward reaction.
Backward Reaction Rate Constant - (Measured in Mole per Liter) - Backward Reaction Rate Constant is the rate of backward reaction.
STEP 1: Convert Input(s) to Base Unit
Forward reaction rate constant: 200 Mole per Liter --> 200 Mole per Liter No Conversion Required
Backward Reaction Rate Constant: 3.33 Mole per Liter --> 3.33 Mole per Liter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Kc = Kf/Kb --> 200/3.33
Evaluating ... ...
Kc = 60.0600600600601
STEP 3: Convert Result to Output's Unit
60060.0600600601 Mole per Cubic Meter -->60.0600600600601 Mole per Liter (Check conversion here)
FINAL ANSWER
60.0600600600601 60.06006 Mole per Liter <-- Equilibrium Constant
(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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12 Equilibrium Constant Calculators

Equilibrium Concentration of Substance A
Go Equilibrium Concentration of A = (((Equilibrium Concentration of C^No. of Moles of C) *(Equilibrium Concentration of D^No. of Moles of D) )/(Equilibrium Constant*(Equilibrium Concentration of B^No. of Moles of B)))^(1/Number of Moles of A)
Equilibrium Constant with respect to Molar Concentrations
Go Equilibrium Constant = ((Equilibrium Concentration of C^No. of Moles of C) *(Equilibrium Concentration of D^No. of Moles of D) )/((Equilibrium Concentration of A^Number of Moles of A) *(Equilibrium Concentration of B^No. of Moles of B))
Equilibrium Concentration of Substance D
Go Equilibrium Concentration of D = ((Equilibrium Constant*(Equilibrium Concentration of A^Number of Moles of A) *(Equilibrium Concentration of B^No. of Moles of B) )/(Equilibrium Concentration of C^No. of Moles of C))^(1/No. of Moles of D)
Equilibrium Concentration of Substance C
Go Equilibrium Concentration of C = ((Equilibrium Constant*(Equilibrium Concentration of A^Number of Moles of A) *(Equilibrium Concentration of B^No. of Moles of B))/(Equilibrium Concentration of D^No. of Moles of D))^(1/No. of Moles of C)
Variation of Equilibrium Constant with Temperature at Constant Pressure
Go Equilibrium constant 2 = Equilibrium constant 1*exp((Heat of reaction/[R])*((Absolute temperature 2-Absolute Temperature)/(Absolute Temperature*Absolute temperature 2)))
Equilibrium concentration of Substance B
Go Equilibrium Concentration of B = (Equilibrium Concentration of C*Equilibrium Concentration of D)/(Equilibrium Constant*Equilibrium Concentration of A)
Backward Reaction Rate Constant
Go Backward Reaction Rate Constant = Forward reaction rate constant/Equilibrium Constant
Forward Reaction Rate Constant
Go Forward reaction rate constant = Equilibrium Constant*Backward Reaction Rate Constant
Equilibrium Constant
Go Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant
Number of Moles of Gaseous Reactants
Go Number of moles of reactants = Number of moles of products-Change in Number of Moles
Number of Moles of Gaseous Products
Go Number of moles of products = Change in Number of Moles+Number of moles of reactants
Change in Number of Moles
Go Change in Number of Moles = Number of moles of products-Number of moles of reactants

Equilibrium Constant Formula

Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant
Kc = Kf/Kb

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?

Equilibrium Constant calculator uses Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant to calculate the Equilibrium Constant, The Equilibrium constant 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 using this online calculator? To use this online calculator for Equilibrium Constant, enter Forward reaction rate constant (Kf) & Backward Reaction Rate Constant (Kb) and hit the calculate button. Here is how the Equilibrium Constant calculation can be explained with given input values -> 2.9E-6 = 200000/3330.

FAQ

What is Equilibrium Constant?
The Equilibrium constant formula is defined as the ratio of the product concentrations to reactant concentrations and is represented as Kc = Kf/Kb or Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant. Forward reaction rate constant is the rate of forward reaction & Backward Reaction Rate Constant is the rate of backward reaction.
How to calculate Equilibrium Constant?
The Equilibrium constant formula is defined as the ratio of the product concentrations to reactant concentrations is calculated using Equilibrium Constant = Forward reaction rate constant/Backward Reaction Rate Constant. To calculate Equilibrium Constant, you need Forward reaction rate constant (Kf) & Backward Reaction Rate Constant (Kb). With our tool, you need to enter the respective value for Forward reaction rate constant & Backward Reaction Rate 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 Equilibrium Constant?
In this formula, Equilibrium Constant uses Forward reaction rate constant & Backward Reaction Rate Constant. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Equilibrium Constant = ((Equilibrium Concentration of C^No. of Moles of C) *(Equilibrium Concentration of D^No. of Moles of D) )/((Equilibrium Concentration of A^Number of Moles of A) *(Equilibrium Concentration of B^No. of Moles of B))
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