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Chemical Reaction Engineering

Chemical Reaction Engineering
For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to

1
0.5
0.1

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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.) ?

43832
43864
2
43833

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Chemical Reaction Engineering
Participation of __________ is involved in the occurrence of a chemical reaction.

Neutrons
None of these
Electrons
Protons

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Chemical Reaction Engineering
Molecularity of a reaction

Both B and C
May not be equal to the order of reaction
Can
Is always equal to the overall order of reaction

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Chemical Reaction Engineering
The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.

256
512
612
112

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Chemical Reaction Engineering
For series reaction, the relative yield

Statement in A is wrong
Decreases with increasing conversion
Is always greater for plug-flow reactor than for the single CSTR of the same volume
Both A and C hold good

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