Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Insensitive to temperature changes Always irreversible Highly temperature sensitive Mostly irreversible Insensitive to temperature changes Always irreversible Highly temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Duration of reaction Temperature Concentration of reactants Pressure Duration of reaction Temperature Concentration of reactants Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Lack of intraparticle diffusion resistance Neither A nor B Presence of two mobile phases Both A and B Lack of intraparticle diffusion resistance Neither A nor B Presence of two mobile phases Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the Molecularity of the reaction is 2, but the reaction may not be elementary Reaction may be elementary with molecularity of 2 Reaction is elementary but the molecularity may not be 2 Reaction is elementary with a molecularity of 2 Molecularity of the reaction is 2, but the reaction may not be elementary Reaction may be elementary with molecularity of 2 Reaction is elementary but the molecularity may not be 2 Reaction is elementary with a molecularity of 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is ∞ >1 ≥1 1 ∞ >1 ≥1 1 ANSWER DOWNLOAD EXAMIANS APP
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 2 0 3 1 ANSWER DOWNLOAD EXAMIANS APP
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