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The Reactant Concentration refers to the amount of reactant present in the solvent at any given point of time during the process. Check FAQs
C=e-k'ΔtCo
C - Reactant Concentration?k' - Rate Constant for First Order Reaction?Δt - Time Interval?Co - Initial Reactant Concentration?

Reactant Concentration of First Order Irreversible Reaction Example

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Here is how the Reactant Concentration of First Order Irreversible Reaction equation looks like with Values.

Here is how the Reactant Concentration of First Order Irreversible Reaction equation looks like with Units.

Here is how the Reactant Concentration of First Order Irreversible Reaction equation looks like.

20.9997Edit=e-2.508Edit0.5333Edit80Edit
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Reactant Concentration of First Order Irreversible Reaction Solution

Follow our step by step solution on how to calculate Reactant Concentration of First Order Irreversible Reaction?

FIRST Step Consider the formula
C=e-k'ΔtCo
Next Step Substitute values of Variables
C=e-2.508s⁻¹0.5333s80mol/m³
Next Step Prepare to Evaluate
C=e-2.5080.533380
Next Step Evaluate
C=20.9997437375232mol/m³
LAST Step Rounding Answer
C=20.9997mol/m³

Reactant Concentration of First Order Irreversible Reaction Formula Elements

Variables
Reactant Concentration
The Reactant Concentration refers to the amount of reactant present in the solvent at any given point of time during the process.
Symbol: C
Measurement: Molar ConcentrationUnit: mol/m³
Note: Value should be greater than 0.
Rate Constant for First Order Reaction
The Rate Constant for First Order Reaction is defined as the rate of the reaction divided by the concentration of the reactant.
Symbol: k'
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value can be positive or negative.
Time Interval
A Time Interval is the amount of time required for the change from initial to the final state.
Symbol: Δt
Measurement: TimeUnit: s
Note: Value can be positive or negative.
Initial Reactant Concentration
The Initial Reactant Concentration refers to the amount of reactant present in the solvent before the considered process.
Symbol: Co
Measurement: Molar ConcentrationUnit: mol/m³
Note: Value should be greater than 0.

Other Formulas to find Reactant Concentration

​Go Reactant Concentration of Second Order Irreversible Reaction with Equal Reactant Conc using Time
C=1(1Co)+k''Δt
​Go Reactant Concentration using Reactant Conversion
C=Co(1-XA)

Other formulas in Basics of Chemical Reaction Engineering category

​Go Feed Reactant Concentration
CAo=FAovo
​Go Number of Moles of Reactant Fed using Reactant Conversion
NAo=NA1-XA
​Go Reactant Conversion using Molar Feed Rate of Reactant
XA=1-FAFAo
​Go Reactant Conversion using Number of Moles of Reactant Fed
XA=1-NANAo

How to Evaluate Reactant Concentration of First Order Irreversible Reaction?

Reactant Concentration of First Order Irreversible Reaction evaluator uses Reactant Concentration = e^(-Rate Constant for First Order Reaction*Time Interval)*Initial Reactant Concentration to evaluate the Reactant Concentration, Reactant Concentration of First Order Irreversible Reaction is defined as amount of reactant present in the solvent at any given point of time during the first order irreversible reaction. Reactant Concentration is denoted by C symbol.

How to evaluate Reactant Concentration of First Order Irreversible Reaction using this online evaluator? To use this online evaluator for Reactant Concentration of First Order Irreversible Reaction, enter Rate Constant for First Order Reaction (k'), Time Interval (Δt) & Initial Reactant Concentration (Co) and hit the calculate button.

FAQs on Reactant Concentration of First Order Irreversible Reaction

What is the formula to find Reactant Concentration of First Order Irreversible Reaction?
The formula of Reactant Concentration of First Order Irreversible Reaction is expressed as Reactant Concentration = e^(-Rate Constant for First Order Reaction*Time Interval)*Initial Reactant Concentration. Here is an example- 20.99974 = e^(-2.508*0.5333)*80.
How to calculate Reactant Concentration of First Order Irreversible Reaction?
With Rate Constant for First Order Reaction (k'), Time Interval (Δt) & Initial Reactant Concentration (Co) we can find Reactant Concentration of First Order Irreversible Reaction using the formula - Reactant Concentration = e^(-Rate Constant for First Order Reaction*Time Interval)*Initial Reactant Concentration.
What are the other ways to Calculate Reactant Concentration?
Here are the different ways to Calculate Reactant Concentration-
  • Reactant Concentration=1/((1/(Initial Reactant Concentration))+Rate Constant for Second Order Reaction*Time Interval)OpenImg
  • Reactant Concentration=Initial Reactant Concentration*(1-Reactant Conversion)OpenImg
Can the Reactant Concentration of First Order Irreversible Reaction be negative?
No, the Reactant Concentration of First Order Irreversible Reaction, measured in Molar Concentration cannot be negative.
Which unit is used to measure Reactant Concentration of First Order Irreversible Reaction?
Reactant Concentration of First Order Irreversible Reaction is usually measured using the Mole per Cubic Meter[mol/m³] for Molar Concentration. Mole per Liter[mol/m³], Mole per Cubic Millimeter[mol/m³], Kilomole per Cubic Meter[mol/m³] are the few other units in which Reactant Concentration of First Order Irreversible Reaction can be measured.
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