Concentration of Reactant B given kf and kb Calculator

✖Backward Reaction Rate Constant for 2nd Order is the proportionality constant relating the rate of the chemical reaction to the conc. of reactant or product in a backward reaction.ⓘ Backward Reaction Rate Constant for 2nd Order [k_b']			+10% -10%
✖Forward Reaction Rate Constant for 2nd Order is used to define the relationship between the molar concentration of the reactants and the rate of the chemical reaction in forward direction.ⓘ Forward Reaction Rate Constant for 2nd Order [k_f']			+10% -10%
✖Concentration of Product C at Equilibrium is defined as the amount (in moles/ liter) of product C that is formed when a chemical reaction system is at equilibrium.ⓘ Concentration of Product C at Equilibrium [[C]_eq]			+10% -10%
✖Concentration of Product D at Equilibrium is defined as the amount ( in moles/liter) of the product D that is formed in a chemical reaction system at equilibrium.ⓘ Concentration of Product D at Equilibrium [[D]_eq]			+10% -10%
✖Concentration of Reactant A at Equilibrium is defined as the amount ( in moles/liter) of the reactant A present in a chemical reaction system at equilibrium.ⓘ Concentration of Reactant A at Equilibrium [[A]_eq]			+10% -10%

✖Concentration of Reactant B at Equilibrium is defined as the amount ( in moles/ liter) of the reactant B present in a chemical reaction system at equilibrium.ⓘ Concentration of Reactant B given kf and kb [[B]_eq]

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Concentration of Reactant B given kf and kb Solution

STEP 0: Pre-Calculation Summary

Formula Used

Concentration of Reactant B at Equilibrium = Backward Reaction Rate Constant for 2nd Order/Forward Reaction Rate Constant for 2nd Order*((Concentration of Product C at Equilibrium*Concentration of Product D at Equilibrium)/Concentration of Reactant A at Equilibrium)
[B]_eq = k_b'/k_f'*(([C]_eq*[D]_eq)/[A]_eq)
This formula uses 6 Variables

Variables Used

Concentration of Reactant B at Equilibrium - (Measured in Mole per Cubic Meter) - Concentration of Reactant B at Equilibrium is defined as the amount ( in moles/ liter) of the reactant B present in a chemical reaction system at equilibrium.
Backward Reaction Rate Constant for 2nd Order - (Measured in Cubic Meter per Mole Second) - Backward Reaction Rate Constant for 2nd Order is the proportionality constant relating the rate of the chemical reaction to the conc. of reactant or product in a backward reaction.
Forward Reaction Rate Constant for 2nd Order - (Measured in Cubic Meter per Mole Second) - Forward Reaction Rate Constant for 2nd Order is used to define the relationship between the molar concentration of the reactants and the rate of the chemical reaction in forward direction.
Concentration of Product C at Equilibrium - (Measured in Mole per Cubic Meter) - Concentration of Product C at Equilibrium is defined as the amount (in moles/ liter) of product C that is formed when a chemical reaction system is at equilibrium.
Concentration of Product D at Equilibrium - (Measured in Mole per Cubic Meter) - Concentration of Product D at Equilibrium is defined as the amount ( in moles/liter) of the product D that is formed in a chemical reaction system at equilibrium.
Concentration of Reactant A at Equilibrium - (Measured in Mole per Cubic Meter) - Concentration of Reactant A at Equilibrium is defined as the amount ( in moles/liter) of the reactant A present in a chemical reaction system at equilibrium.

STEP 1: Convert Input(s) to Base Unit

Backward Reaction Rate Constant for 2nd Order: 0.000378 Liter per Mole Second --> 3.78E-07 Cubic Meter per Mole Second (Check conversion here)
Forward Reaction Rate Constant for 2nd Order: 0.00618 Liter per Mole Second --> 6.18E-06 Cubic Meter per Mole Second (Check conversion here)
Concentration of Product C at Equilibrium: 19.4 Mole per Liter --> 19400 Mole per Cubic Meter (Check conversion here)
Concentration of Product D at Equilibrium: 0.352 Mole per Liter --> 352 Mole per Cubic Meter (Check conversion here)
Concentration of Reactant A at Equilibrium: 0.6 Mole per Liter --> 600 Mole per Cubic Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

[B]_eq = k_b'/k_f'*(([C]_eq*[D]_eq)/[A]_eq) --> 3.78E-07/6.18E-06*((19400*352)/600)

Evaluating ... ...

[B]_eq = 696.139805825243

STEP 3: Convert Result to Output's Unit

696.139805825243 Mole per Cubic Meter -->0.696139805825243 Mole per Liter (Check conversion here)

FINAL ANSWER

0.696139805825243 ≈ 0.69614 Mole per Liter <-- Concentration of Reactant B at Equilibrium

(Calculation completed in 00.004 seconds)

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< Microscopic Reversibility Calculators

Concentration of Product C given kf and kb

LaTeX Go Concentration of Product C at Equilibrium = Forward Reaction Rate Constant for 2nd Order/Backward Reaction Rate Constant for 2nd Order*((Concentration of Reactant A at Equilibrium*Concentration of Reactant B at Equilibrium)/Concentration of Product D at Equilibrium)

Forward Rate Constant given Keq and kb

LaTeX Go Forward Reaction Rate Constant given kf and Keq = Equilibrium Constant for Second Order Reaction*Backward Reaction Rate Constant for 2nd Order

Backward Reaction Rate Constant given Keq and kf

LaTeX Go Backward Reaction Rate Constant given kf and Keq = Equilibrium Constant*Forward Reaction Rate Constant for 2nd Order

Equilibrium Rate Constant given kf and kb

LaTeX Go Equilibrium Constant = Forward Reaction Rate Constant for 2nd Order/Backward Reaction Rate Constant for 2nd Order

< Important Formulas on Reversible Reaction Calculators

Reactant Concentration at given Time t

LaTeX Go Concentration of A at Time t = Initial Concentration of Reactant A*(Forward Reaction Rate Constant/(Forward Reaction Rate Constant+Backward Reaction Rate Constant))*((Backward Reaction Rate Constant/Forward Reaction Rate Constant)+exp(-(Forward Reaction Rate Constant+Backward Reaction Rate Constant)*Time))

Product Conc for 1st Order Opposed by 1st Order Rxn given Initial Conc of B greater than 0

LaTeX Go Concentration of Product at Time t = Concentration of Reactant at Equilibrium*(1-exp(-Forward Reaction Rate Constant*((Initial Concentration of Reactant A+Initial Concentration of Reactant B)/(Initial Concentration of Reactant B+Concentration of Reactant at Equilibrium))*Time))

Product Conc of First Order Opposed by First Order Reaction given Initial Conc of Reactant

LaTeX Go Concentration of Product at Time t = Concentration of Reactant at Equilibrium*(1-exp(-Forward Reaction Rate Constant*Time*(Initial Concentration of Reactant A/Concentration of Reactant at Equilibrium)))

Product Concentration of 1st Order Opposed by 1st Order Reaction at given Time t

LaTeX Go Concentration of Product at Time t = Concentration of Reactant at Equilibrium*(1-exp(-(Forward Reaction Rate Constant+Backward Reaction Rate Constant)*Time))

Concentration of Reactant B given kf and kb Formula

LaTeX Go

What is an Opposing Reaction?

Opposing reactions or reversible reactions are those in which both forward and backward reaction takes place simultaneously. To start with, the rate of forward reaction is very large and it decreases as reactant concentration decreases with time. Similarly, initially the rate of backward reaction is slow and it increases as product concentration increases with time. The state at which the rate of forward reaction equals the rate of backward reaction is called the equilibrium state. Thus, equilibrium is a dynamic equilibrium where all the participants of a reaction are being formed as fast as they are being destroyed and hence no further change in the various concentrations is observed.

What are the classifications of Opposing Reactions?

A reversible reaction may be classified on the basis of orders of elementary forward and backward reactions. We describe below a few reversible reactions classified accordingly:
1. First Order Opposed by First Order Reaction
2. First Order Opposed by Second Order Reaction
3. Second Order Opposed by First Order Reaction
4. Second Order Opposed by Second Order Reaction.

How to Calculate Concentration of Reactant B given kf and kb?

Concentration of Reactant B given kf and kb calculator uses Concentration of Reactant B at Equilibrium = Backward Reaction Rate Constant for 2nd Order/Forward Reaction Rate Constant for 2nd Order*((Concentration of Product C at Equilibrium*Concentration of Product D at Equilibrium)/Concentration of Reactant A at Equilibrium) to calculate the Concentration of Reactant B at Equilibrium, The Concentration of Reactant B given kf and kb formula is defined as amount ( in moles/liter) of the reactant B that is present at equilibrium in a microscopic reversible system. Concentration of Reactant B at Equilibrium is denoted by [B]_eq symbol.

How to calculate Concentration of Reactant B given kf and kb using this online calculator? To use this online calculator for Concentration of Reactant B given kf and kb, enter Backward Reaction Rate Constant for 2nd Order (k_b'), Forward Reaction Rate Constant for 2nd Order (k_f'), Concentration of Product C at Equilibrium ([C]_eq), Concentration of Product D at Equilibrium ([D]_eq) & Concentration of Reactant A at Equilibrium ([A]_eq) and hit the calculate button. Here is how the Concentration of Reactant B given kf and kb calculation can be explained with given input values -> 0.00019 = 3.78E-07/6.18E-06*((19400*352)/600).

FAQ

What is Concentration of Reactant B given kf and kb?

The Concentration of Reactant B given kf and kb formula is defined as amount ( in moles/liter) of the reactant B that is present at equilibrium in a microscopic reversible system and is represented as [B]_eq = k_b'/k_f'*(([C]_eq*[D]_eq)/[A]_eq) or Concentration of Reactant B at Equilibrium = Backward Reaction Rate Constant for 2nd Order/Forward Reaction Rate Constant for 2nd Order*((Concentration of Product C at Equilibrium*Concentration of Product D at Equilibrium)/Concentration of Reactant A at Equilibrium). Backward Reaction Rate Constant for 2nd Order is the proportionality constant relating the rate of the chemical reaction to the conc. of reactant or product in a backward reaction, Forward Reaction Rate Constant for 2nd Order is used to define the relationship between the molar concentration of the reactants and the rate of the chemical reaction in forward direction, Concentration of Product C at Equilibrium is defined as the amount (in moles/ liter) of product C that is formed when a chemical reaction system is at equilibrium, Concentration of Product D at Equilibrium is defined as the amount ( in moles/liter) of the product D that is formed in a chemical reaction system at equilibrium & Concentration of Reactant A at Equilibrium is defined as the amount ( in moles/liter) of the reactant A present in a chemical reaction system at equilibrium.

How to calculate Concentration of Reactant B given kf and kb?

The Concentration of Reactant B given kf and kb formula is defined as amount ( in moles/liter) of the reactant B that is present at equilibrium in a microscopic reversible system is calculated using Concentration of Reactant B at Equilibrium = Backward Reaction Rate Constant for 2nd Order/Forward Reaction Rate Constant for 2nd Order*((Concentration of Product C at Equilibrium*Concentration of Product D at Equilibrium)/Concentration of Reactant A at Equilibrium). To calculate Concentration of Reactant B given kf and kb, you need Backward Reaction Rate Constant for 2nd Order (k_b'), Forward Reaction Rate Constant for 2nd Order (k_f'), Concentration of Product C at Equilibrium ([C]_eq), Concentration of Product D at Equilibrium ([D]_eq) & Concentration of Reactant A at Equilibrium ([A]_eq). With our tool, you need to enter the respective value for Backward Reaction Rate Constant for 2nd Order, Forward Reaction Rate Constant for 2nd Order, Concentration of Product C at Equilibrium, Concentration of Product D at Equilibrium & Concentration of Reactant A at Equilibrium 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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