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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate at which a chemical substance reacts is proportional to its

Molecular weight
Active mass
Equivalent weight
None of these

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Chemical Reaction Engineering
Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.

Integral (plug flow)
Either A, B and C
Differential (flow)
Mixed

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Chemical Reaction Engineering
If the rate of a chemical reaction becomes slower at a given temperature, then the

Free energy of activation is higher
Free energy of activation is lower
Initial concentration of the reactants remains constant
Entropy changes

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Chemical Reaction Engineering
Molecularity of an elementary reaction, P + Q → R + S is

4
1
3
2

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Chemical Reaction Engineering
If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be

(1 + x)²
(1 + x)
(1 - x)²
(1 - x)

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Chemical Reaction Engineering
In a CSTR __________ varies with time.

Both A & B
Reaction rate
Concentration
Neither A nor B

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