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Chemical Reaction Engineering

Chemical Reaction Engineering
Shift conversion reaction

Converts CO to CO₂ with steam
Is non-catalytic
Converts N₂ and H₂ into NH₃
Is highly exothermic

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Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

22
11
2
4

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Chemical Reaction Engineering
Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature?

Useful volume of the tank
Time
Diameter of the reactor
None of these

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Chemical Reaction Engineering
The percent conversion of ethanol in the reactor is

100
95
2.5
97.5

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Chemical Reaction Engineering
For a first order reaction carried out in a plug flow reactor, the space time is

K In C0/C
K In C/C0
1/K In C0/C
1/K In C/C0

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Chemical Reaction Engineering
The reason why a catalyst increases the rate of reaction is that, it

Decreases the energy barrier for reaction
Increases the activation energy
None of these
Decreases the molecular collision diameter

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