Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is 750 500 ∞ 750 500 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by Diffusion within the pellet None of these Reaction External mass transfer Diffusion within the pellet None of these Reaction External mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Increases Decreases Remains unaffected Unpredictable from the data Increases Decreases Remains unaffected Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dispersion number of perfect mixed flow is > 150 ∞ < 2100 > 150 ∞ < 2100 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 What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? Zero 2 3 1 Zero 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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