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 External mass transfer Reaction Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Presence of two mobile phases Neither A nor B Both A and B Lack of intraparticle diffusion resistance Presence of two mobile phases Neither A nor B Both A and B Lack of intraparticle diffusion resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Initial concentration of N₂ and H₂ Volume of the reactor Temperature Total pressure of the system Initial concentration of N₂ and H₂ Volume of the reactor Temperature Total pressure of the system ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Participation of __________ is involved in the occurrence of a chemical reaction. None of these Electrons Neutrons Protons None of these Electrons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated CO₂ escapes continuously ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to l/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. 8 43846 43838 16 8 43846 43838 16 ANSWER DOWNLOAD EXAMIANS APP
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