Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Moles/litre.second Litre/mole.second Litre/second Litre/mole Moles/litre.second Litre/mole.second Litre/second Litre/mole ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Decreases Becomes infinite Increases Remain same Decreases Becomes infinite Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature. Intermediate Highest possible Room Lowest possible Intermediate Highest possible Room Lowest possible 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 44015 3 7 6 44015 3 7 6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled Velocity of reaction can be controlled Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
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