At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

1.6

2.5

2.24

2

1.6

2.5

2.24

2

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Chemical Reaction Engineering
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

Increase

Decrease

Either A or B, depends on the type of reaction

No change

Increase

Decrease

Either A or B, depends on the type of reaction

No change

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Chemical Reaction Engineering
Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?

Operating conditions (e.g. pressure and temperature)

None of these

Density of mixture

Rate constant

Operating conditions (e.g. pressure and temperature)

None of these

Density of mixture

Rate constant

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Chemical Reaction Engineering
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

None of these

Catalytic

Photochemical

Autocatalytic

None of these

Catalytic

Photochemical

Autocatalytic

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Chemical Reaction Engineering
For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of

Chanelling

Bypass

Ideal plug flow

Dead zone

Chanelling

Bypass

Ideal plug flow

Dead zone

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Chemical Reaction Engineering
An autothermal reactor is

Isothermal in nature

Most suitable for a reversible reaction

Most suitable for a second order reaction

Completely self-supporting in its thermal energy requirements

Isothermal in nature

Most suitable for a reversible reaction

Most suitable for a second order reaction

Completely self-supporting in its thermal energy requirements

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Chemical Reaction Engineering

Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?

Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of

Chemical Reaction Engineering An autothermal reactor is

Chemical Reaction Engineering
At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R?

Chemical Reaction Engineering
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.

Chemical Reaction Engineering
Which of the following fixes the volume of a batch reactor for a particular conversion and production rate?

Chemical Reaction Engineering
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Chemical Reaction Engineering
For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of

Chemical Reaction Engineering
An autothermal reactor is