Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.5τ τ/0.693 2τ 0.693τ 0.5τ τ/0.693 2τ 0.693τ 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 -0.5 1 -0.25 -0.5 1 -0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Unpredictable from the data Decreases Increases Remains unaffected Unpredictable from the data Decreases Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Increasing the concentration of one of the reactants None of these Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products Increasing the concentration of one of the reactants None of these Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Neither A nor B Either A or B; depends on the type of catalyst Increases Decreases Neither A nor B Either A or B; depends on the type of catalyst Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Activation energy Rate constant Rate of reaction Frequency factor Activation energy Rate constant Rate of reaction Frequency factor ANSWER DOWNLOAD EXAMIANS APP
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