Chemical Reaction Engineering
Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants ; but it is a function of reaction temperature. In a chemical reaction, the time required to reduce the concentration of reactant from 100 gm moles/litre to 50 gm moles/litre is same as that required to reduce it from 2 gm moles/litre to 1 gm mole/litre in the same volume. Then the order of this reaction is

2
0
3
1

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Chemical Reaction Engineering
The heat of reaction

Is independent of the mechanism of reaction
Depends on the pressure only
Depends on the mechanism of reaction only
Depends on both pressure and mechanism of reaction

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Chemical Reaction Engineering
A trickle bed reactor is the one, which

Processes three reactants at different flow rates
Employs all the three phases (i.e.. .solid, liquid and gas)
Has altogether three streams either entering or leaving
Processes three reactants with same flow rate

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