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CHEMICAL REACTION ENGINEERING

Chemical Reaction Engineering
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

CSTR of volume V
PFR of volume V/X
CSTR of volume V/X
PFR of volume V

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Chemical Reaction Engineering
For an autocatalytic reactor, the suitable reactor set up is

CSTR followed by P.F. reactor
CSTR in series
P.F. reactors in series
P.F. reactor followed by CSTR

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Chemical Reaction Engineering
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.

N₂
He
CO₂
H₂

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Chemical Reaction Engineering
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is

3
2
1

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Chemical Reaction Engineering
When an exothermic reversible reaction is conducted adiabatically, the rate of reaction

Continuously increases
Continuously decreases
Passes through a maximum
Passes through a minimum

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