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Chemical Reaction Engineering

Chemical Reaction Engineering
The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

60
75
90
100

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Chemical Reaction Engineering
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

8764°K
8621°K
8987°K
9210°K

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Chemical Reaction Engineering
The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ?

43864
43833
43832
2

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Chemical Reaction Engineering
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.

Equal to or more than
More than
Less than
Equal to

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Chemical Reaction Engineering
For a __________ order reaction, the units of rate constant and rate of reaction are the same.

First
Fractional
Second
Zero

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Chemical Reaction Engineering
Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.

Remains unchanged
Increases
Unpredictable from the data
Decreases

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