Chemical Reaction Engineering
The equilibrium constant of chemical reaction __________ in the presence of catalyst.

Remains unaffected
Decreases
Increases
Can either increase or decrease (depends on the type of catalyst)

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Chemical Reaction Engineering
A space velocity of 5 hr⁻¹ means that

Cent per cent conversion can be achieved in at least 5 hours
A fixed conversion of a given batch of feed takes 5 hours
Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour
After every 5 hours, reactor is being filled with the feed

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Chemical Reaction Engineering
The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the

Molecularity of the reaction is 2, but the reaction may not be elementary
Reaction may be elementary with molecularity of 2
Reaction is elementary but the molecularity may not be 2
Reaction is elementary with a molecularity of 2

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