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Chemical Reaction Engineering

Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

500
∞
750

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Chemical Reaction Engineering
Equilibrium of a chemical reaction as viewed by kinetics is a __________ state.

Dynamic steady
None of these
Dynamic unsteady
Static steady

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Chemical Reaction Engineering
A typical example of an exothermic reversible reaction conducted at high pressure in industry is

Methanol synthesis
Reformation of methane
Polymerisation of ethylene
Dehydration of ethanol

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Chemical Reaction Engineering
The energy of activation of a chemical reaction

Is the minimum energy which the molecules must have before the reaction can take place
Is same as heat of reaction at constant pressure
Both B and C
Varies as fifth power of the temperature

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

H₂
He
CO₂
N₂

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Chemical Reaction Engineering
The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is

3
0.5
1
2

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