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
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.

More than

Same as

Less than

Data insufficient; can't be predicted

More than

Same as

Less than

Data insufficient; can't be predicted

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Chemical Reaction Engineering
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Pressure

Both A & B

Neither A nor B

Temperature

Pressure

Both A & B

Neither A nor B

Temperature

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Chemical Reaction Engineering
Batch process is preferred over continuous process, when the

Same equipment can not be used for several processes of the same nature

All of these

Sales demand of product is not steady

Product yields and quality can not be achieved in continuous process, because of long residence time

Same equipment can not be used for several processes of the same nature

All of these

Sales demand of product is not steady

Product yields and quality can not be achieved in continuous process, because of long residence time

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Chemical Reaction Engineering
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Increases

Remains unaltered

Changes unpredictably

Decreases

Increases

Remains unaltered

Changes unpredictably

Decreases

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Chemical Reaction Engineering
For multiple reactions, the flow pattern within the vessel affects the

Size requirement

Neither A nor B

Both A and B

Distribution of reaction products

Size requirement

Neither A nor B

Both A and B

Distribution of reaction products

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Chemical Reaction Engineering
A back mix reactor is

Same as plug flow reactor (PFR)

Suitable for gas phase reactions

Same as ideal stirred tank reactor

Ideal at very low conversion

Same as plug flow reactor (PFR)

Suitable for gas phase reactions

Same as ideal stirred tank reactor

Ideal at very low conversion

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Chemical Reaction Engineering

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 If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering Batch process is preferred over continuous process, when the

Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the

Chemical Reaction Engineering A back mix reactor is

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
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the

Chemical Reaction Engineering
Batch process is preferred over continuous process, when the

Chemical Reaction Engineering
If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle)

Chemical Reaction Engineering
For multiple reactions, the flow pattern within the vessel affects the

Chemical Reaction Engineering
A back mix reactor is