Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Intestine

Gland

Blood

Saliva

Intestine

Gland

Blood

Saliva

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Chemical Reaction Engineering
A batch reactor is

Suitable for gas-phase reactions on commercial scale

Least expensive to operate for a given rate

Suitable for liquid phase reactions involving small production rate

Most suitable for very large production rate

Suitable for gas-phase reactions on commercial scale

Least expensive to operate for a given rate

Suitable for liquid phase reactions involving small production rate

Most suitable for very large production rate

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Chemical Reaction Engineering
Most important characteristics of gas-liquid reactors are the

Liquid hold-up

Specific inter-facial area

None of these

Both A and B

Liquid hold-up

Specific inter-facial area

None of these

Both A and B

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Chemical Reaction Engineering
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Higher in P.F. reactor

Same in both the reactors

Data insufficient; can't be predicted

Higher in CSTR

Higher in P.F. reactor

Same in both the reactors

Data insufficient; can't be predicted

Higher in CSTR

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Chemical Reaction Engineering
For a zero order chemical reaction, the

All of these

Plot of products concentration with time is a straight line through the origin

Half life period is directly proportion to the initial concentration of the reac-tants

Products concentration increases linerarly with time

All of these

Plot of products concentration with time is a straight line through the origin

Half life period is directly proportion to the initial concentration of the reac-tants

Products concentration increases linerarly with time

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Chemical Reaction Engineering
In case of staged packed bed reactors carrying out exothermic reaction, use

Plug flow for dilute liquid requiring no large preheating of feed

All of these

High recycle for pure gas

Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature

Plug flow for dilute liquid requiring no large preheating of feed

All of these

High recycle for pure gas

Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature

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Chemical Reaction Engineering

Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering A batch reactor is

Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the

Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Chemical Reaction Engineering For a zero order chemical reaction, the

Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
A batch reactor is

Chemical Reaction Engineering
Most important characteristics of gas-liquid reactors are the

Chemical Reaction Engineering
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Chemical Reaction Engineering
For a zero order chemical reaction, the

Chemical Reaction Engineering
In case of staged packed bed reactors carrying out exothermic reaction, use