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Chemical Reaction Engineering

Chemical Reaction Engineering
For the reaction, A + B → 2B + C,

rA = -rB
rA = rB/2
rA = 2rB
rA = rB

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Chemical Reaction Engineering
A multiple reaction may be classified as a __________ reaction.

Parallel or side
All of these
Mixed
Consecutive or side

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Chemical Reaction Engineering
For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is

-0.25
-0.5
1

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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.

Either A or B, depends on the type of reaction
No change
Increase
Decrease

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Chemical Reaction Engineering
Half-life period for a first order reaction is __________ the initial concentration of the reactant.

Independent of
Directly proportional to
Inversely proportional to
None of these

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Chemical Reaction Engineering
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature.

May be greater or less than
Is always greater than
Is always equal to
Is always less than

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