Backward Reaction Rate Constant of First Order Opposed by First Order Reaction Formula

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Backward Reaction Rate Constant is defined as the relationship between the molar concentration of the reactants and the rate of the chemical reaction in backward direction. Check FAQs
kb=(ln(xeqxeq-x)tback)-kf
kb - Backward Reaction Rate Constant?xeq - Concentration of Reactant at Equilibrium?x - Concentration of Product at Time t?tback - Time taken for Backward Reaction?kf - Forward Reaction Rate Constant?

Backward Reaction Rate Constant of First Order Opposed by First Order Reaction Example

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Here is how the Backward Reaction Rate Constant of First Order Opposed by First Order Reaction equation looks like with Values.

Here is how the Backward Reaction Rate Constant of First Order Opposed by First Order Reaction equation looks like with Units.

Here is how the Backward Reaction Rate Constant of First Order Opposed by First Order Reaction equation looks like.

0.0013Edit=(ln(70Edit70Edit-27.5Edit)360Edit)-9.7E-5Edit
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Backward Reaction Rate Constant of First Order Opposed by First Order Reaction Solution

Follow our step by step solution on how to calculate Backward Reaction Rate Constant of First Order Opposed by First Order Reaction?

FIRST Step Consider the formula
kb=(ln(xeqxeq-x)tback)-kf
Next Step Substitute values of Variables
kb=(ln(70mol/L70mol/L-27.5mol/L)360s)-9.7E-5s⁻¹
Next Step Convert Units
kb=(ln(70000mol/m³70000mol/m³-27500mol/m³)360s)-9.7E-5s⁻¹
Next Step Prepare to Evaluate
kb=(ln(7000070000-27500)360)-9.7E-5
Next Step Evaluate
kb=0.00128868657255274s⁻¹
LAST Step Rounding Answer
kb=0.0013s⁻¹

Backward Reaction Rate Constant of First Order Opposed by First Order Reaction Formula Elements

Variables
Functions
Backward Reaction Rate Constant
Backward Reaction Rate Constant is defined as the relationship between the molar concentration of the reactants and the rate of the chemical reaction in backward direction.
Symbol: kb
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
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.
Concentration of Product at Time t
Concentration of Product at Time t is defined as the amount of reactant that has been converted into product in a time interval of t.
Symbol: x
Measurement: Molar ConcentrationUnit: mol/L
Note: Value should be greater than 0.
Time taken for Backward Reaction
Time taken for Backward Reaction is used to defined as the period of time that is required for the reactant to given a certain amount of product in a chemical reaction.
Symbol: tback
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Forward Reaction Rate Constant
Forward Reaction Rate Constant 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: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value should be greater than 0.
ln
The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.
Syntax: ln(Number)

Other formulas in First Order Opposed by First Order Reactions category

​Go Time taken for 1st Order Opposed by 1st Order Reaction
t=ln(xeqxeq-x)kf+kb
​Go Forward Reaction Rate Constant of First Order Opposed by First Order Reaction
kf=(ln(xeqxeq-x)t)-kb
​Go Product Concentration of 1st Order Opposed by 1st Order Reaction at given Time t
x=xeq(1-exp(-(kf+kb)t))
​Go Equilibrium Reactant Concentration of First Order Opposed by First Order Reaction at given Time t
xeq=x1-exp(-(kf+kb)t)

How to Evaluate Backward Reaction Rate Constant of First Order Opposed by First Order Reaction?

Backward Reaction Rate Constant of First Order Opposed by First Order Reaction evaluator uses Backward Reaction Rate Constant = (ln(Concentration of Reactant at Equilibrium/(Concentration of Reactant at Equilibrium-Concentration of Product at Time t))/Time taken for Backward Reaction)-Forward Reaction Rate Constant to evaluate the Backward Reaction Rate Constant, The Backward Reaction Rate Constant of First Order Opposed by First Order Reaction formula is defined as the relationship between the molar concentration of the reactants and the rate of the chemical reaction taking place in the backward direction. Backward Reaction Rate Constant is denoted by kb symbol.

How to evaluate Backward Reaction Rate Constant of First Order Opposed by First Order Reaction using this online evaluator? To use this online evaluator for Backward Reaction Rate Constant of First Order Opposed by First Order Reaction, enter Concentration of Reactant at Equilibrium (xeq), Concentration of Product at Time t (x), Time taken for Backward Reaction (tback) & Forward Reaction Rate Constant (kf) and hit the calculate button.

FAQs on Backward Reaction Rate Constant of First Order Opposed by First Order Reaction

What is the formula to find Backward Reaction Rate Constant of First Order Opposed by First Order Reaction?
The formula of Backward Reaction Rate Constant of First Order Opposed by First Order Reaction is expressed as Backward Reaction Rate Constant = (ln(Concentration of Reactant at Equilibrium/(Concentration of Reactant at Equilibrium-Concentration of Product at Time t))/Time taken for Backward Reaction)-Forward Reaction Rate Constant. Here is an example- 0.000837 = (ln(70000/(70000-27500))/360)-9.74E-05.
How to calculate Backward Reaction Rate Constant of First Order Opposed by First Order Reaction?
With Concentration of Reactant at Equilibrium (xeq), Concentration of Product at Time t (x), Time taken for Backward Reaction (tback) & Forward Reaction Rate Constant (kf) we can find Backward Reaction Rate Constant of First Order Opposed by First Order Reaction using the formula - Backward Reaction Rate Constant = (ln(Concentration of Reactant at Equilibrium/(Concentration of Reactant at Equilibrium-Concentration of Product at Time t))/Time taken for Backward Reaction)-Forward Reaction Rate Constant. This formula also uses Natural Logarithm (ln) function(s).
Can the Backward Reaction Rate Constant of First Order Opposed by First Order Reaction be negative?
Yes, the Backward Reaction Rate Constant of First Order Opposed by First Order Reaction, measured in First Order Reaction Rate Constant can be negative.
Which unit is used to measure Backward Reaction Rate Constant of First Order Opposed by First Order Reaction?
Backward Reaction Rate Constant of First Order Opposed by First Order Reaction is usually measured using the 1 Per Second[s⁻¹] for First Order Reaction Rate Constant. 1 Per Millisecond[s⁻¹], 1 Per Day[s⁻¹], 1 Per Hour[s⁻¹] are the few other units in which Backward Reaction Rate Constant of First Order Opposed by First Order Reaction can be measured.
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