Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Temperature Composition of reactant Heat and mass transfer effects Pressure Temperature Composition of reactant Heat and mass transfer effects Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use Plug flow for dilute liquid requiring no large preheating of feed All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 1.5 K 0.693/K 2.5 K 6.93 K 1.5 K 0.693/K 2.5 K 6.93 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Increases Unpredictable from the data Decreases Remains unaffected Increases Unpredictable from the data Decreases Remains unaffected 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 Transition state theory relates the above quantities as K ∝ T1.5 K ∝ T.eE/RT K ∝ √T K ∝ e-E/RT K ∝ T1.5 K ∝ T.eE/RT K ∝ √T K ∝ e-E/RT ANSWER DOWNLOAD EXAMIANS APP
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