Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

None of these

Very low temperature should be used throughout the reaction

Very high temperature should be used throughout the reaction

Temperature should be high in the beginning and decreased towards the end of the reaction

None of these

Very low temperature should be used throughout the reaction

Very high temperature should be used throughout the reaction

Temperature should be high in the beginning and decreased towards the end of the reaction

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the

Collision frequency increases

Increased temperature reduces the activation energy

Fraction of molecules having threshold energy increases

Value of threshold energy decreases

Collision frequency increases

Increased temperature reduces the activation energy

Fraction of molecules having threshold energy increases

Value of threshold energy decreases

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

None of these

Chemical reaction

Gas film diffusion

Ash diffusion

None of these

Chemical reaction

Gas film diffusion

Ash diffusion

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
Non-catalytic fluid-solid reactions are represented by __________ model.

Neither A and B

Both A and B

Continuous reaction

Unreacted core

Neither A and B

Both A and B

Continuous reaction

Unreacted core

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Less than

More than

Same as

Data insufficient; can't be predicted

Less than

More than

Same as

Data insufficient; can't be predicted

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
Reaction rate of a first order reaction, which is half completed in 23 minutes will be

0.05 min⁻¹

0.03 sec⁻¹

0.03 hr⁻¹

0.03 min⁻¹

0.05 min⁻¹

0.03 sec⁻¹

0.03 hr⁻¹

0.03 min⁻¹

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering

Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the

Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model.

Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be

Chemical Reaction Engineering
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor?

Chemical Reaction Engineering
The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the

Chemical Reaction Engineering
__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

Chemical Reaction Engineering
Non-catalytic fluid-solid reactions are represented by __________ model.

Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Chemical Reaction Engineering
Reaction rate of a first order reaction, which is half completed in 23 minutes will be