Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 ED/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E (E + ED)/2 ED/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy. Activation Potential Kinetic None of these Activation Potential Kinetic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. All of these Solid density Surface area Pore volume All of these Solid density Surface area Pore volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is ≥1 1 ∞ >1 ≥1 1 ∞ >1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Cent per cent conversion can be achieved in at least 5 hours Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Cent per cent conversion can be achieved in at least 5 hours Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Non-catalytic heterogeneous Catalytic heterogeneous Catalytic homogenous Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic heterogeneous Catalytic homogenous Non-catalytic homogeneous ANSWER DOWNLOAD EXAMIANS APP