Chemical Reaction Engineering Participation of __________ is involved in the occurrence of a chemical reaction. Electrons None of these Neutrons Protons Electrons None of these Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Goes through a minimum along the length of the reactor Is maximum at the inlet of the reactor Is maximum at the exit of the reactor Goes through a maximum along the length of the reactor Goes through a minimum along the length of the reactor Is maximum at the inlet of the reactor Is maximum at the exit of the reactor Goes through a maximum along the length of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Rate constant Frequency factor Rate of reaction Activation energy Rate constant Frequency factor Rate of reaction Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? None of these The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer Langmuir None of these The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer Langmuir ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Reduces the value of equilibrium constant All of these Does not initiate the reaction Retards the rate of reaction Reduces the value of equilibrium constant All of these Does not initiate the reaction Retards the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to ED/2 (E + ED) where ED is activation due to diffusion (E + ED)/2 The intrinsic activation energy E ED/2 (E + ED) where ED is activation due to diffusion (E + ED)/2 The intrinsic activation energy E ANSWER DOWNLOAD EXAMIANS APP
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