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Chemical Reaction Engineering

Chemical Reaction Engineering
Thermodynamic equilibrium constant in a system is affected by

Pressure
Inerts
Temperature
All of these

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Chemical Reaction Engineering
Enzymes are destroyed, when the

Reactant's concentration is very low
Reactant's concentration is very high
Temperature is very high
Reaction rate is independent of the reactant's concentration

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Chemical Reaction Engineering
Bulk diffusion in catalyst pore __________ with increase in pressure.

Remains unchanged
Decreases
Increases
Increases exponentially

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Chemical Reaction Engineering
The performance of a cascade of CSTR's can be improved by adding

More CSTR's in parallel
A P.F. reactor in series
More CSTR's in series
A P.F. reactor in parallel

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Chemical Reaction Engineering
During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the

Temperature is reduced and pressure is increased
Temperature is increased
Temperature is increased and pressure is reduced
Pressure is reduced

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Chemical Reaction Engineering
A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

Data insufficient, can't be predicted
0.33
1
0.5

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