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Chemical Reaction Engineering

Chemical Reaction Engineering
Reactions with high activation energy are

Always irreversible
Always reversible
Very temperature sensitive
Temperature insensitive

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Chemical Reaction Engineering
Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature?

Ash layer diffusion
Film diffusion
Chemical reaction
Pore diffusion

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Chemical Reaction Engineering
In a chemical reaction, __________ are conserved.

Masses
Both B & C
Ions
Atoms

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Chemical Reaction Engineering
The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is

1.5
0.5
1
-0.5

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Chemical Reaction Engineering
A backmix reactor

Is same as plug-flow reactor
Employs mixing in axial direction only
Is most suitable for gas phase reaction
Is same as ideal stirred tank reactor

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Chemical Reaction Engineering
What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?

Litre/second
Litre/mole.second
Litre/mole
Moles/litre.second

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