Maximum Intermediate Concentration in First Order followed by Zero Order Reaction Solution

STEP 0: Pre-Calculation Summary
Formula Used
Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)))))
CR,max = CA0*(1-(k0/(CA0*kI)*(1-ln(k0/(CA0*kI)))))
This formula uses 1 Functions, 4 Variables
Functions Used
ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)
Variables Used
Maximum Intermediate Concentration - (Measured in Mole per Cubic Meter) - Maximum Intermediate Concentration is the concentration of product of first step or intermediate, of second step of first order irreversible reaction.
Initial Reactant Concentration for Multiple Rxns - (Measured in Mole per Cubic Meter) - The Initial Reactant Concentration for Multiple Rxns refers to the amount of reactant present in the solvent before the considered process.
Rate Constant for Zero Order Rxn for Multiple Rxns - (Measured in Mole per Cubic Meter Second) - The Rate Constant for Zero Order Rxn for Multiple Rxns is equal to the rate of the reaction because in this case the rate of reaction is proportional to zero power of the conc of the reactant.
Rate Constant for First Step First Order Reaction - (Measured in 1 Per Second) - 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.
STEP 1: Convert Input(s) to Base Unit
Initial Reactant Concentration for Multiple Rxns: 80 Mole per Cubic Meter --> 80 Mole per Cubic Meter No Conversion Required
Rate Constant for Zero Order Rxn for Multiple Rxns: 6.5 Mole per Cubic Meter Second --> 6.5 Mole per Cubic Meter Second No Conversion Required
Rate Constant for First Step First Order Reaction: 0.42 1 Per Second --> 0.42 1 Per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
CR,max = CA0*(1-(k0/(CA0*kI)*(1-ln(k0/(CA0*kI))))) --> 80*(1-(6.5/(80*0.42)*(1-ln(6.5/(80*0.42)))))
Evaluating ... ...
CR,max = 39.1007017013353
STEP 3: Convert Result to Output's Unit
39.1007017013353 Mole per Cubic Meter --> No Conversion Required
FINAL ANSWER
39.1007017013353 39.1007 Mole per Cubic Meter <-- Maximum Intermediate Concentration
(Calculation completed in 00.004 seconds)

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DJ Sanghvi College of Engineering (DJSCE), Mumbai
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10+ First Order followed by Zero Order Reaction Calculators

Maximum Intermediate Concentration in First Order followed by Zero Order Reaction
Go Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)))))
Intermediate Concentration for First Order followed by Zero Order Reaction
Go Intermediate Conc. for 1st Order Series Rxn = Initial Reactant Concentration for Multiple Rxns*(1-exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions)-((Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions)/Initial Reactant Concentration for Multiple Rxns))
Rate Constant for First Order Reaction using Rate Constant for Zero Order Reaction
Go Rate Constant for First Step First Order Reaction = (1/Time Interval for Multiple Reactions)*ln(Initial Reactant Concentration for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns-(Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions)-Intermediate Concentration for Series Rxn))
Rate Constant for Zero Order Reaction using Rate Constant for First Order Reaction
Go Rate Constant for Zero Order Rxn using k1 = (Initial Reactant Concentration for Multiple Rxns/Time Interval for Multiple Reactions)*(1-exp((-Rate Constant for First Step First Order Reaction)*Time Interval for Multiple Reactions)-(Intermediate Concentration for Series Rxn/Initial Reactant Concentration for Multiple Rxns))
Initial Reactant Concentration using Intermediate for First Order followed by Zero Order Reaction
Go Initial Reactant Concentration using Intermediate = (Intermediate Concentration for Series Rxn+(Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions))/(1-exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions))
Time at Max Intermediate in First Order followed by Zero Order Reaction
Go Time at Maximum Intermediate Concentration = (1/Rate Constant for First Step First Order Reaction)*ln((Rate Constant for First Step First Order Reaction*Initial Reactant Concentration for Multiple Rxns)/Rate Constant for Zero Order Rxn for Multiple Rxns)
Rate Constant for First Order Reaction in First Order followed by Zero Order Reaction
Go Rate Constant for First Step First Order Reaction = (1/Time Interval for Multiple Reactions)*ln(Initial Reactant Concentration for Multiple Rxns/Reactant Concentration for Zero Order Series Rxn)
Time Interval for First Order Reaction in First Order followed by Zero Order Reaction
Go Time Interval for Multiple Reactions = (1/Rate Constant for First Step First Order Reaction)*ln(Initial Reactant Concentration for Multiple Rxns/Reactant Concentration for Zero Order Series Rxn)
Initial Reactant Concentration in First Order followed by Zero Order Reaction
Go 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)
Reactant Concentration in First Order followed by Zero Order Reaction
Go Reactant Concentration for Zero Order Series Rxn = Initial Reactant Concentration for Multiple Rxns*exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions)

25 Important Formulas in Potpourri of Multiple Reactions Calculators

Initial Reactant Concentration for Two Steps First Order Irreversible Reaction in Series
Go Initial Reactant Concentration for Multiple Rxns = (Intermediate Concentration for Series Rxn*(Rate Constant for Second Step First Order Reaction-Rate Constant for First Step First Order Reaction))/(Rate Constant for First Step First Order Reaction*(exp(-Rate Constant for First Step First Order Reaction*Space Time for PFR)-exp(-Rate Constant for Second Step First Order Reaction*Space Time for PFR)))
Intermediate Concentration for Two Steps First Order Irreversible Reaction in Series
Go Intermediate Concentration for Series Rxn = Initial Reactant Concentration for Multiple Rxns*(Rate Constant for First Step First Order Reaction/(Rate Constant for Second Step First Order Reaction-Rate Constant for First Step First Order Reaction))*(exp(-Rate Constant for First Step First Order Reaction*Space Time for PFR)-exp(-Rate Constant for Second Step First Order Reaction*Space Time for PFR))
Maximum Intermediate Concentration in First Order followed by Zero Order Reaction
Go Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)))))
Initial Reactant Concentration for First Order Rxn in Series for MFR using Product Concentration
Go Initial Reactant Concentration for Multiple Rxns = (Final Product Concentration*(1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))*(1+(Rate Constant for Second Step First Order Reaction*Space Time for Mixed Flow Reactor)))/(Rate Constant for First Step First Order Reaction*Rate Constant for Second Step First Order Reaction*(Space Time for Mixed Flow Reactor^2))
Product Concentration for First Order Reaction for Mixed Flow Reactor
Go Final Product Concentration = (Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction*Rate Constant for Second Step First Order Reaction*(Space Time for Mixed Flow Reactor^2))/((1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))*(1+(Rate Constant for Second Step First Order Reaction*Space Time for Mixed Flow Reactor)))
Initial Reactant Concentration for First Order Rxn for MFR using Intermediate Concentration
Go Initial Reactant Concentration for Multiple Rxns = (Intermediate Concentration for Series Rxn*(1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))*(1+(Rate Constant for Second Step First Order Reaction*Space Time for Mixed Flow Reactor)))/(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor)
Intermediate Concentration for First Order Reaction for Mixed Flow Reactor
Go Intermediate Concentration for Series Rxn = (Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor)/((1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))*(1+(Rate Constant for Second Step First Order Reaction*Space Time for Mixed Flow Reactor)))
Intermediate Concentration for First Order followed by Zero Order Reaction
Go Intermediate Conc. for 1st Order Series Rxn = Initial Reactant Concentration for Multiple Rxns*(1-exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions)-((Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions)/Initial Reactant Concentration for Multiple Rxns))
Rate Constant for First Order Reaction using Rate Constant for Zero Order Reaction
Go Rate Constant for First Step First Order Reaction = (1/Time Interval for Multiple Reactions)*ln(Initial Reactant Concentration for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns-(Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions)-Intermediate Concentration for Series Rxn))
Rate Constant for Zero Order Reaction using Rate Constant for First Order Reaction
Go Rate Constant for Zero Order Rxn using k1 = (Initial Reactant Concentration for Multiple Rxns/Time Interval for Multiple Reactions)*(1-exp((-Rate Constant for First Step First Order Reaction)*Time Interval for Multiple Reactions)-(Intermediate Concentration for Series Rxn/Initial Reactant Concentration for Multiple Rxns))
Initial Reactant Concentration for First Order Rxn in Series for Maximum Intermediate Concentration
Go Initial Reactant Concentration for Multiple Rxns = Maximum Intermediate Concentration/(Rate Constant for First Step First Order Reaction/Rate Constant for Second Step First Order Reaction)^(Rate Constant for Second Step First Order Reaction/(Rate Constant for Second Step First Order Reaction-Rate Constant for First Step First Order Reaction))
Maximum Intermediate Concentration for First Order Irreversible Reaction in Series
Go Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(Rate Constant for First Step First Order Reaction/Rate Constant for Second Step First Order Reaction)^(Rate Constant for Second Step First Order Reaction/(Rate Constant for Second Step First Order Reaction-Rate Constant for First Step First Order Reaction))
Initial Reactant Concentration using Intermediate for First Order followed by Zero Order Reaction
Go Initial Reactant Concentration using Intermediate = (Intermediate Concentration for Series Rxn+(Rate Constant for Zero Order Rxn for Multiple Rxns*Time Interval for Multiple Reactions))/(1-exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions))
Time at Max Intermediate in First Order followed by Zero Order Reaction
Go Time at Maximum Intermediate Concentration = (1/Rate Constant for First Step First Order Reaction)*ln((Rate Constant for First Step First Order Reaction*Initial Reactant Concentration for Multiple Rxns)/Rate Constant for Zero Order Rxn for Multiple Rxns)
Time at Maximum Intermediate Concentration for First Order Irreversible Reaction in Series
Go Time at Maximum Intermediate Concentration = ln(Rate Constant for Second Step First Order Reaction/Rate Constant for First Step First Order Reaction)/(Rate Constant for Second Step First Order Reaction-Rate Constant for First Step First Order Reaction)
Rate Constant for First Order Reaction in First Order followed by Zero Order Reaction
Go Rate Constant for First Step First Order Reaction = (1/Time Interval for Multiple Reactions)*ln(Initial Reactant Concentration for Multiple Rxns/Reactant Concentration for Zero Order Series Rxn)
Initial Reactant Concentration in First Order followed by Zero Order Reaction
Go 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)
Reactant Concentration in First Order followed by Zero Order Reaction
Go Reactant Concentration for Zero Order Series Rxn = Initial Reactant Concentration for Multiple Rxns*exp(-Rate Constant for First Step First Order Reaction*Time Interval for Multiple Reactions)
Initial Reactant Concentration for First Order Rxn in MFR at Maximum Intermediate Concentration
Go Initial Reactant Concentration for Multiple Rxns = Maximum Intermediate Concentration*((((Rate Constant for Second Step First Order Reaction/Rate Constant for First Step First Order Reaction)^(1/2))+1)^2)
Maximum Intermediate Concentration for First Order Irreversible Reaction in MFR
Go Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns/((((Rate Constant for Second Step First Order Reaction/Rate Constant for First Step First Order Reaction)^(1/2))+1)^2)
Initial Reactant Concentration for Two Steps First Order Reaction for Mixed Flow Reactor
Go Initial Reactant Concentration for Multiple Rxns = Reactant Concentration for 1st Order Series Rxns*(1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))
Reactant Concentration for Two Steps First Order Reaction for Mixed Flow Reactor
Go Reactant Concentration for Zero Order Series Rxn = Initial Reactant Concentration for Multiple Rxns/(1+(Rate Constant for First Step First Order Reaction*Space Time for Mixed Flow Reactor))
Time at Maximum Intermediate Concentration for First Order Irreversible Reaction in Series in MFR
Go Time at Maximum Intermediate Concentration = 1/sqrt(Rate Constant for First Step First Order Reaction*Rate Constant for Second Step First Order Reaction)
Rate Constant for Second Step First Order Reaction for MFR at Maximum Intermediate Concentration
Go Rate Constant for Second Step First Order Reaction = 1/(Rate Constant for First Step First Order Reaction*(Time at Maximum Intermediate Concentration^2))
Rate Constant for First Step First Order Reaction for MFR at Maximum Intermediate Concentration
Go Rate Constant for First Step First Order Reaction = 1/(Rate Constant for Second Step First Order Reaction*(Time at Maximum Intermediate Concentration^2))

Maximum Intermediate Concentration in First Order followed by Zero Order Reaction Formula

Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)))))
CR,max = CA0*(1-(k0/(CA0*kI)*(1-ln(k0/(CA0*kI)))))

What is Multi-step Reaction?

A multi-step reaction is a combination of two or more elementary steps. An elementary step is a single, simple step involving one or two particles. The rate-determining step is the slowest step in a multi-step reaction, and the overall reaction rate will be exactly the same as the rate of the slowest step.

What are first order and zero order reactions?

A first-order reaction can be defined as a chemical reaction in which the reaction rate is linearly dependent on the concentration of only one reactant. In other words, a first-order reaction is a chemical reaction in which the rate varies based on the changes in the concentration of only one of the reactants.
Zero-order reaction is a chemical reaction wherein the rate does not vary with the increase or decrease in the concentration of the reactants.

How to Calculate Maximum Intermediate Concentration in First Order followed by Zero Order Reaction?

Maximum Intermediate Concentration in First Order followed by Zero Order Reaction calculator uses Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction))))) to calculate the Maximum Intermediate Concentration, The Maximum Intermediate Concentration in First Order followed by Zero Order Reaction formula is defined as the maximum amount of intermediate that can be formed in a first order reaction followed by zero order reaction. Maximum Intermediate Concentration is denoted by CR,max symbol.

How to calculate Maximum Intermediate Concentration in First Order followed by Zero Order Reaction using this online calculator? To use this online calculator for Maximum Intermediate Concentration in First Order followed by Zero Order Reaction, enter Initial Reactant Concentration for Multiple Rxns (CA0), Rate Constant for Zero Order Rxn for Multiple Rxns (k0) & Rate Constant for First Step First Order Reaction (kI) and hit the calculate button. Here is how the Maximum Intermediate Concentration in First Order followed by Zero Order Reaction calculation can be explained with given input values -> 39.1007 = 80*(1-(6.5/(80*0.42)*(1-ln(6.5/(80*0.42))))).

FAQ

What is Maximum Intermediate Concentration in First Order followed by Zero Order Reaction?
The Maximum Intermediate Concentration in First Order followed by Zero Order Reaction formula is defined as the maximum amount of intermediate that can be formed in a first order reaction followed by zero order reaction and is represented as CR,max = CA0*(1-(k0/(CA0*kI)*(1-ln(k0/(CA0*kI))))) or Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction))))). The Initial Reactant Concentration for Multiple Rxns refers to the amount of reactant present in the solvent before the considered process, The Rate Constant for Zero Order Rxn for Multiple Rxns is equal to the rate of the reaction because in this case the rate of reaction is proportional to zero power of the conc of the reactant & 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.
How to calculate Maximum Intermediate Concentration in First Order followed by Zero Order Reaction?
The Maximum Intermediate Concentration in First Order followed by Zero Order Reaction formula is defined as the maximum amount of intermediate that can be formed in a first order reaction followed by zero order reaction is calculated using Maximum Intermediate Concentration = Initial Reactant Concentration for Multiple Rxns*(1-(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction)*(1-ln(Rate Constant for Zero Order Rxn for Multiple Rxns/(Initial Reactant Concentration for Multiple Rxns*Rate Constant for First Step First Order Reaction))))). To calculate Maximum Intermediate Concentration in First Order followed by Zero Order Reaction, you need Initial Reactant Concentration for Multiple Rxns (CA0), Rate Constant for Zero Order Rxn for Multiple Rxns (k0) & Rate Constant for First Step First Order Reaction (kI). With our tool, you need to enter the respective value for Initial Reactant Concentration for Multiple Rxns, Rate Constant for Zero Order Rxn for Multiple Rxns & Rate Constant for First Step First Order Reaction and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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