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Chemical Reaction Engineering

Chemical Reaction Engineering
Transition state theory gives the rate constant as

K α eE/RT
K α T . e-E/RT
K α e-E/RT
K α √T . e-E/RT

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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

0.1
1
0.5

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Chemical Reaction Engineering
A second order reaction of the form A + B → C is called a pseudo-first order reaction, when

CA0 > CB0
CA0 = CB0
CB0 > CA0
CB0 ≥ CB0

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Chemical Reaction Engineering
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.

Fluidised
Fixed bed reactor followed by a fluidised
Fixed
Fluidised bed reactor followed by a fixed

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Chemical Reaction Engineering
Sometimes, batch process is preferred over continuous process, when the product

Neither A nor B
Both A & B
Quality & yield can not be achieved in continuous processes, because of long residence time
Sales demand is fluctuating

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Chemical Reaction Engineering
For multiple reactions, the flow pattern within the vessel affects the

Neither A nor B
Both A and B
Size requirement
Distribution of reaction products

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