Fx Copy
LaTeX Copy
The Reverse Rate Constant is defined as the rate constant for the backward reaction. Check FAQs
kr=(kfESES)-kcat
kr - Reverse Rate Constant?kf - Forward Rate Constant?E - Catalyst Concentration?S - Substrate Concentration?ES - Enzyme Substrate Complex Concentration?kcat - Catalytic Rate Constant?

Reverse Rate Constant given Forward and Catalytic Rate Constants Example

With values
With units
Only example

Here is how the Reverse Rate Constant given Forward and Catalytic Rate Constants equation looks like with Values.

Here is how the Reverse Rate Constant given Forward and Catalytic Rate Constants equation looks like with Units.

Here is how the Reverse Rate Constant given Forward and Catalytic Rate Constants equation looks like.

25.8744Edit=(6.9Edit25Edit1.5Edit10Edit)-0.65Edit
You are here -
HomeIcon Home » Category Chemistry » Category Chemical Kinetics » Category Enzyme Kinetics » fx Reverse Rate Constant given Forward and Catalytic Rate Constants

Reverse Rate Constant given Forward and Catalytic Rate Constants Solution

Follow our step by step solution on how to calculate Reverse Rate Constant given Forward and Catalytic Rate Constants?

FIRST Step Consider the formula
kr=(kfESES)-kcat
Next Step Substitute values of Variables
kr=(6.9s⁻¹25mol/L1.5mol/L10mol/L)-0.65s⁻¹
Next Step Convert Units
kr=(6.9s⁻¹25000mol/m³1500mol/m³10000mol/m³)-0.65s⁻¹
Next Step Prepare to Evaluate
kr=(6.925000150010000)-0.65
Next Step Evaluate
kr=25874.35mol/m³*s
Next Step Convert to Output's Unit
kr=25.87435mol/L*s
LAST Step Rounding Answer
kr=25.8744mol/L*s

Reverse Rate Constant given Forward and Catalytic Rate Constants Formula Elements

Variables
Reverse Rate Constant
The Reverse Rate Constant is defined as the rate constant for the backward reaction.
Symbol: kr
Measurement: Reaction RateUnit: mol/L*s
Note: Value can be positive or negative.
Forward Rate Constant
The Forward Rate Constant is defined as the rate constant for the forward occurring reaction.
Symbol: kf
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value can be positive or negative.
Catalyst Concentration
The Catalyst Concentration is the number of moles of catalyst present in the per liter of solution.
Symbol: E
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Substrate Concentration
The Substrate Concentration is the number of moles of substrate per liter solution.
Symbol: S
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Enzyme Substrate Complex Concentration
The Enzyme Substrate Complex Concentration is defined as the concentration of intermediate formed from the reaction of enzyme and substrate.
Symbol: ES
Measurement: Molar ConcentrationUnit: mol/L
Note: Value can be positive or negative.
Catalytic Rate Constant
The Catalytic Rate Constant is defined as the rate constant for conversion of the enzyme-substrate complex to enzyme and product.
Symbol: kcat
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value can be positive or negative.

Other Formulas to find Reverse Rate Constant

​Go Reverse Rate Constant in Enzymatic Reaction Mechanism
kr=kfS([E0]-ES)ES
​Go Reverse Rate Constant given Dissociation Rate Constant
kr=(KDkf)
​Go Reverse Rate Constant given Michaelis Constant
kr=(KMkf)-kcat

Other formulas in Rate Constants of Enzymatic Reaction category

​Go Catalytic Rate Constant at Low Substrate Concentration
kcat=V0KM[E0]S
​Go Forward Rate Constant in Enzymatic Reaction mechanism
kf=krESS([E0]-ES)
​Go Dissociation Rate Constant in Enzymatic Reaction Mechanism
KD=krkf
​Go Forward Rate Constant given Dissociation Rate Constant
kf=(krKD)

How to Evaluate Reverse Rate Constant given Forward and Catalytic Rate Constants?

Reverse Rate Constant given Forward and Catalytic Rate Constants evaluator uses Reverse Rate Constant = ((Forward Rate Constant*Catalyst Concentration*Substrate Concentration)/Enzyme Substrate Complex Concentration)-Catalytic Rate Constant to evaluate the Reverse Rate Constant, The Reverse rate constant given forward and catalytic rate constants formula is defined as the relation with enzymatic catalyst and substrate concentration with an enzyme-substrate complex concentration in an enzymatic reaction mechanism. Reverse Rate Constant is denoted by kr symbol.

How to evaluate Reverse Rate Constant given Forward and Catalytic Rate Constants using this online evaluator? To use this online evaluator for Reverse Rate Constant given Forward and Catalytic Rate Constants, enter Forward Rate Constant (kf), Catalyst Concentration (E), Substrate Concentration (S), Enzyme Substrate Complex Concentration (ES) & Catalytic Rate Constant (kcat) and hit the calculate button.

FAQs on Reverse Rate Constant given Forward and Catalytic Rate Constants

What is the formula to find Reverse Rate Constant given Forward and Catalytic Rate Constants?
The formula of Reverse Rate Constant given Forward and Catalytic Rate Constants is expressed as Reverse Rate Constant = ((Forward Rate Constant*Catalyst Concentration*Substrate Concentration)/Enzyme Substrate Complex Concentration)-Catalytic Rate Constant. Here is an example- 0.025874 = ((6.9*25000*1500)/10000)-0.65.
How to calculate Reverse Rate Constant given Forward and Catalytic Rate Constants?
With Forward Rate Constant (kf), Catalyst Concentration (E), Substrate Concentration (S), Enzyme Substrate Complex Concentration (ES) & Catalytic Rate Constant (kcat) we can find Reverse Rate Constant given Forward and Catalytic Rate Constants using the formula - Reverse Rate Constant = ((Forward Rate Constant*Catalyst Concentration*Substrate Concentration)/Enzyme Substrate Complex Concentration)-Catalytic Rate Constant.
What are the other ways to Calculate Reverse Rate Constant?
Here are the different ways to Calculate Reverse Rate Constant-
  • Reverse Rate Constant=(Forward Rate Constant*Substrate Concentration*(Initial Enzyme Concentration-Enzyme Substrate Complex Concentration))/Enzyme Substrate Complex ConcentrationOpenImg
  • Reverse Rate Constant=(Dissociation Rate Constant*Forward Rate Constant)OpenImg
  • Reverse Rate Constant=(Michaelis Constant*Forward Rate Constant)-Catalytic Rate ConstantOpenImg
Can the Reverse Rate Constant given Forward and Catalytic Rate Constants be negative?
Yes, the Reverse Rate Constant given Forward and Catalytic Rate Constants, measured in Reaction Rate can be negative.
Which unit is used to measure Reverse Rate Constant given Forward and Catalytic Rate Constants?
Reverse Rate Constant given Forward and Catalytic Rate Constants is usually measured using the Mole per Liter Second[mol/L*s] for Reaction Rate. Millimole per Liter Second[mol/L*s], Mole per Cubic Meter Second[mol/L*s] are the few other units in which Reverse Rate Constant given Forward and Catalytic Rate Constants can be measured.
Copied!