Chemical Reaction Engineering
Which of the following is an autocatalytic reaction?

Ammonia synthesis reaction
Microbial fermentation reaction
Photochemical reactions
Enzyme fermentation reaction

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Chemical Reaction Engineering
A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m³ and volumetric flow rate 1m³ /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m³ . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m³ , the volume of the mixed flow reactor should be increased by a factor of

44015
6
3
7

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Chemical Reaction Engineering
The heat of reaction

Depends on both pressure and mechanism of reaction
Depends on the pressure only
Is independent of the mechanism of reaction
Depends on the mechanism of reaction only

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