Chemical Reaction Engineering In an exothermic chemical reaction, the reactants compared to the products have Same energy More energy Less energy Higher temperature Same energy More energy Less energy Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Limiting reactant in a chemical reaction decides the Rate constant Equilibrium constant Conversion Reaction speed Rate constant Equilibrium constant Conversion Reaction speed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 12 32 8 16 12 32 8 16 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 6 3 44015 7 6 3 44015 7 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is 1 0.5 -0.5 1.5 1 0.5 -0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP