Initial Reactant Concentration in First Order followed by Zero Order Reaction Formula

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The Initial Reactant Concentration for Multiple Rxns refers to the amount of reactant present in the solvent before the considered process. Check FAQs
CA0=Ck0exp(-kIΔt)
CA0 - Initial Reactant Concentration for Multiple Rxns?Ck0 - Reactant Concentration for Zero Order Series Rxn?kI - Rate Constant for First Step First Order Reaction?Δt - Time Interval for Multiple Reactions?

Initial Reactant Concentration in First Order followed by Zero Order Reaction Example

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Here is how the Initial Reactant Concentration in First Order followed by Zero Order Reaction equation looks like with Values.

Here is how the Initial Reactant Concentration in First Order followed by Zero Order Reaction equation looks like with Units.

Here is how the Initial Reactant Concentration in First Order followed by Zero Order Reaction equation looks like.

84.6101Edit=24Editexp(-0.42Edit3Edit)
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Initial Reactant Concentration in First Order followed by Zero Order Reaction Solution

Follow our step by step solution on how to calculate Initial Reactant Concentration in First Order followed by Zero Order Reaction?

FIRST Step Consider the formula
CA0=Ck0exp(-kIΔt)
Next Step Substitute values of Variables
CA0=24mol/m³exp(-0.42s⁻¹3s)
Next Step Prepare to Evaluate
CA0=24exp(-0.423)
Next Step Evaluate
CA0=84.6101156967692mol/m³
LAST Step Rounding Answer
CA0=84.6101mol/m³

Initial Reactant Concentration in First Order followed by Zero Order Reaction Formula Elements

Variables
Functions
Initial Reactant Concentration for Multiple Rxns
The Initial Reactant Concentration for Multiple Rxns refers to the amount of reactant present in the solvent before the considered process.
Symbol: CA0
Measurement: Molar ConcentrationUnit: mol/m³
Note: Value should be greater than 0.
Reactant Concentration for Zero Order Series Rxn
The Reactant Concentration for Zero Order Series Rxn refers to the amount of reactant present in the solvent at any given point of time during the process.
Symbol: Ck0
Measurement: Molar ConcentrationUnit: mol/m³
Note: Value should be greater than 0.
Rate Constant for First Step First Order Reaction
Rate Constant for First Step First Order Reaction is defined as the constant of proportionality for first step reaction in two steps first order irreversible reaction in series.
Symbol: kI
Measurement: First Order Reaction Rate ConstantUnit: s⁻¹
Note: Value should be greater than 0.
Time Interval for Multiple Reactions
A Time Interval for Multiple Reactions is the amount of time required for the change from initial to the final state.
Symbol: Δt
Measurement: TimeUnit: s
Note: Value should be greater than 0.
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other formulas in First Order followed by Zero Order Reaction category

​Go Initial Reactant Concentration for First Order Rxn in Series for Maximum Intermediate Concentration
CA0=CR,max(kIk2)k2k2-kI
​Go Initial Reactant Concentration for First Order Rxn for MFR using Intermediate Concentration
CA0=CR(1+(kIτm))(1+(k2τm))kIτm
​Go Initial Reactant Concentration for First Order Rxn in Series for MFR using Product Concentration
CA0=CS(1+(kIτm))(1+(k2τm))kIk2(τm2)
​Go Initial Reactant Concentration for First Order Rxn in MFR at Maximum Intermediate Concentration
CA0=CR,max((((k2kI)12)+1)2)

How to Evaluate Initial Reactant Concentration in First Order followed by Zero Order Reaction?

Initial Reactant Concentration in First Order followed by Zero Order Reaction evaluator uses Initial Reactant Concentration for Multiple Rxns = Reactant Concentration for Zero Order Series Rxn/exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions) to evaluate the Initial Reactant Concentration for Multiple Rxns, The Initial Reactant Concentration in First Order followed by Zero Order Reaction formula is defined as the amount of reactant present initially for a multi-step reaction which is first order reaction followed by zero order reaction. Initial Reactant Concentration for Multiple Rxns is denoted by CA0 symbol.

How to evaluate Initial Reactant Concentration in First Order followed by Zero Order Reaction using this online evaluator? To use this online evaluator for Initial Reactant Concentration in First Order followed by Zero Order Reaction, enter Reactant Concentration for Zero Order Series Rxn (Ck0), Rate Constant for First Step First Order Reaction (kI) & Time Interval for Multiple Reactions (Δt) and hit the calculate button.

FAQs on Initial Reactant Concentration in First Order followed by Zero Order Reaction

What is the formula to find Initial Reactant Concentration in First Order followed by Zero Order Reaction?
The formula of Initial Reactant Concentration in First Order followed by Zero Order Reaction is expressed as Initial Reactant Concentration for Multiple Rxns = Reactant Concentration for Zero Order Series Rxn/exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions). Here is an example- 84.61012 = 24/exp(-0.42*3).
How to calculate Initial Reactant Concentration in First Order followed by Zero Order Reaction?
With Reactant Concentration for Zero Order Series Rxn (Ck0), Rate Constant for First Step First Order Reaction (kI) & Time Interval for Multiple Reactions (Δt) we can find Initial Reactant Concentration in First Order followed by Zero Order Reaction using the formula - Initial Reactant Concentration for Multiple Rxns = Reactant Concentration for Zero Order Series Rxn/exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions). This formula also uses Exponential Growth (exp) function(s).
Can the Initial Reactant Concentration in First Order followed by Zero Order Reaction be negative?
No, the Initial Reactant Concentration in First Order followed by Zero Order Reaction, measured in Molar Concentration cannot be negative.
Which unit is used to measure Initial Reactant Concentration in First Order followed by Zero Order Reaction?
Initial Reactant Concentration in First Order followed by Zero Order 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 Initial Reactant Concentration in First Order followed by Zero Order Reaction can be measured.
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