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Chemical Reaction Engineering

Chemical Reaction Engineering
A balanced chemical reaction equation conforms to the law of

None ofthese
Gaseous volumes
Conservation of mass
Avagadro's hypothesis

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Chemical Reaction Engineering
The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction.

Less than
More than
Equal to
Either B or C

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Chemical Reaction Engineering
When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is

< 1
> 1
1

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Chemical Reaction Engineering
Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as

k ∝ T
k ∝ T1.5
k ∝ √T
k ∝ exp(-E/RT)

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Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

1/τ exp (-t/τ)
Exp(-t/τ)
1/τ (-t/τ)
Τ exp (-t/τ)

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Chemical Reaction Engineering
A stirred tank reactor compared to tubular-flow reactor provides

Higher overall selectivity for a first order consecutive reaction
All of these
Permits operation at the optimum temperature for a long reaction time
More uniform operating conditions

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