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.

Data insufficient; can't be predicted

More than

Less than

Same as

Data insufficient; can't be predicted

More than

Less than

Same as

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Chemical Reaction Engineering
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Chemical reaction

Film diffusion

Pore diffusion

Ash layer diffusion

Chemical reaction

Film diffusion

Pore diffusion

Ash layer diffusion

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Chemical Reaction Engineering
A photochemical reaction is

Catalysed by light

Accompanied with emission of light

Initiated by light

All of these

Catalysed by light

Accompanied with emission of light

Initiated by light

All of these

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Chemical Reaction Engineering
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction

Decreases with pressure

Increases with pressure

Is independent of pressure

Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction

Decreases with pressure

Increases with pressure

Is independent of pressure

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Chemical Reaction Engineering
A stirred tank reactor compared to tubular-flow reactor provides

More uniform operating conditions

Permits operation at the optimum temperature for a long reaction time

All of these

Higher overall selectivity for a first order consecutive reaction

More uniform operating conditions

Permits operation at the optimum temperature for a long reaction time

All of these

Higher overall selectivity for a first order consecutive reaction

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Chemical Reaction Engineering
For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is

-0.25

1

-0.5

-0.25

1

-0.5

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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 Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Chemical Reaction Engineering A photochemical reaction is

Chemical Reaction Engineering For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides

Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor 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
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Chemical Reaction Engineering
A photochemical reaction is

Chemical Reaction Engineering
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Chemical Reaction Engineering
A stirred tank reactor compared to tubular-flow reactor provides

Chemical Reaction Engineering
For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is