Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The percent conversion of ethanol in the reactor is 2.5 97.5 95 100 2.5 97.5 95 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Unpredictable from the data Remains unaffected Increases Decreases Unpredictable from the data Remains unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Intestine Blood Gland Saliva Intestine Blood Gland Saliva ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic converter for conversion of SO₂ to SO₃ by contact process should have a feed with SO₂ content between 12-15% 2-5% 20-25% 7-10% 12-15% 2-5% 20-25% 7-10% ANSWER DOWNLOAD EXAMIANS APP