Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction Formula

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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. Check FAQs
kb'=kf'(A0-xeq)(B0-xeq)xeq2
kb' - Backward Reaction Rate Constant for 2nd Order?kf' - Forward Reaction Rate Constant for 2nd Order?A0 - Initial Concentration of Reactant A?xeq - Concentration of Reactant at Equilibrium?B0 - Initial Concentration of Reactant B?

Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction Example

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Here is how the Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction equation looks like with Values.

Here is how the Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction equation looks like with Units.

Here is how the Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction equation looks like.

0.0004Edit=0.0062Edit(100Edit-70Edit)(80Edit-70Edit)70Edit2
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Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction Solution

Follow our step by step solution on how to calculate Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction?

FIRST Step Consider the formula
kb'=kf'(A0-xeq)(B0-xeq)xeq2
Next Step Substitute values of Variables
kb'=0.0062L/(mol*s)(100mol/L-70mol/L)(80mol/L-70mol/L)70mol/L2
Next Step Convert Units
kb'=6.2E-6m³/(mol*s)(100000mol/m³-70000mol/m³)(80000mol/m³-70000mol/m³)70000mol/m³2
Next Step Prepare to Evaluate
kb'=6.2E-6(100000-70000)(80000-70000)700002
Next Step Evaluate
kb'=3.78367346938776E-07m³/(mol*s)
Next Step Convert to Output's Unit
kb'=0.000378367346938776L/(mol*s)
LAST Step Rounding Answer
kb'=0.0004L/(mol*s)

Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction Formula Elements

Variables
Backward Reaction Rate Constant for 2nd Order
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.
Symbol: kb'
Measurement: Second Order Reaction Rate ConstantUnit: L/(mol*s)
Note: Value should be greater than 0.
Forward Reaction Rate Constant for 2nd Order
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.
Symbol: kf'
Measurement: Second Order Reaction Rate ConstantUnit: L/(mol*s)
Note: Value should be greater than 0.
Initial Concentration of Reactant A
Initial Concentration of Reactant A is defined as the concentration of the reactant A at time t=0.
Symbol: A0
Measurement: Molar ConcentrationUnit: mol/L
Note: Value should be greater than 0.
Concentration of Reactant at Equilibrium
Concentration of Reactant at Equilibrium is defined as the amount of reactant present when the reaction is at equilibrium condition.
Symbol: xeq
Measurement: Molar ConcentrationUnit: mol/L
Note: Value should be greater than 0.
Initial Concentration of Reactant B
Initial Concentration of Reactant B is defined as the initial concentration of the reactant B at time t=0.
Symbol: B0
Measurement: Molar ConcentrationUnit: mol/L
Note: Value should be greater than 0.

Other formulas in Second Order Opposed by Second Order Reactions category

​Go Product Conc for 1st Order Opposed by 1st Order Rxn given Initial Conc of B greater than 0
x=xeq(1-exp(-kf(A0+B0B0+xeq)t))
​Go Product Conc of First Order Opposed by First Order Reaction given Initial Conc of Reactant
x=xeq(1-exp(-kft(A0xeq)))
​Go Product Concentration of 1st Order Opposed by 1st Order Reaction at given Time t
x=xeq(1-exp(-(kf+kb)t))
​Go Reactant Concentration at given Time t
A=A0(kfkf+kb)((kbkf)+exp(-(kf+kb)t))

How to Evaluate Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction?

Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction evaluator uses Backward Reaction Rate Constant for 2nd Order = Forward Reaction Rate Constant for 2nd Order*((Initial Concentration of Reactant A-Concentration of Reactant at Equilibrium)*(Initial Concentration of Reactant B-Concentration of Reactant at Equilibrium))/Concentration of Reactant at Equilibrium^2 to evaluate the Backward Reaction Rate Constant for 2nd Order, The Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction formula is defined as the proportionality constant relating the rate of the chemical reaction at a given temperature to the concentration of the reactant or product in a backward reaction. Backward Reaction Rate Constant for 2nd Order is denoted by kb' symbol.

How to evaluate Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction using this online evaluator? To use this online evaluator for Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction, enter Forward Reaction Rate Constant for 2nd Order (kf'), Initial Concentration of Reactant A (A0), Concentration of Reactant at Equilibrium (xeq) & Initial Concentration of Reactant B (B0) and hit the calculate button.

FAQs on Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction

What is the formula to find Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction?
The formula of Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction is expressed as Backward Reaction Rate Constant for 2nd Order = Forward Reaction Rate Constant for 2nd Order*((Initial Concentration of Reactant A-Concentration of Reactant at Equilibrium)*(Initial Concentration of Reactant B-Concentration of Reactant at Equilibrium))/Concentration of Reactant at Equilibrium^2. Here is an example- 0.378367 = 6.18E-06*((100000-70000)*(80000-70000))/70000^2.
How to calculate Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction?
With Forward Reaction Rate Constant for 2nd Order (kf'), Initial Concentration of Reactant A (A0), Concentration of Reactant at Equilibrium (xeq) & Initial Concentration of Reactant B (B0) we can find Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction using the formula - Backward Reaction Rate Constant for 2nd Order = Forward Reaction Rate Constant for 2nd Order*((Initial Concentration of Reactant A-Concentration of Reactant at Equilibrium)*(Initial Concentration of Reactant B-Concentration of Reactant at Equilibrium))/Concentration of Reactant at Equilibrium^2.
Can the Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction be negative?
Yes, the Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction, measured in Second Order Reaction Rate Constant can be negative.
Which unit is used to measure Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction?
Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction is usually measured using the Liter per Mole Second[L/(mol*s)] for Second Order Reaction Rate Constant. Cubic Meter per Mole Second[L/(mol*s)], Cubic Meter per Kilomole Millisecond[L/(mol*s)], Liter per Mole Millisecond[L/(mol*s)] are the few other units in which Backward Reaction Rate Constant for 2nd Order Opposed by 2nd Order Reaction can be measured.
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