Chemical Reaction Engineering
An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m³ of each A and B enters the reactor at 8m³ /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?(Data: Heat of reaction = - 50 kJ/mole, Density of the reacting mixture = 1000kg/m³, Specific heat of reacting mixture = 2kJ/kg.K)The above data can be assumed to be independent of temperature and composition.

190
290
390
490

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Chemical Reaction Engineering
For the same residence time, which one will give the maximum conversion?

Single stirred tank (v = 5 litres)
Two stirred tank (each of 2.5 litres) in series
Single tubular flow reactor (v = 5 litres)
Stirred tank followed by tubular flow reactor (each of 2.5 litres)

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Chemical Reaction Engineering
In the reversible reaction of the type, A + B ⇋ AB, in general

Both forward and backward reactions will be exothermic
Neither of the reactions will be en-dothermic
The combination reaction will be exothermic, while the dissociation reaction will be endothermic
The combination reaction will be endothermic, while the dissociation reaction will be exothermic

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