Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 1.5 K 6.93 K 0.693/K 2.5 K 1.5 K 6.93 K 0.693/K 2.5 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m³ and volumetric flow rate 1m³ /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m³ . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m³ , the volume of the mixed flow reactor should be increased by a factor of 3 44015 6 7 3 44015 6 7 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 0 1 2 3 0 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is -0.25 -0.5 1 -0.25 -0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sulphuric acid is used as a catalyst in the None of these Hydrogenation of oils Gas phase oxidation of SO₂ in chamber process Alkylation of hydrocarbons None of these Hydrogenation of oils Gas phase oxidation of SO₂ in chamber process Alkylation of hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes. 12 18 6 24 12 18 6 24 ANSWER DOWNLOAD EXAMIANS APP
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