Chemical Reaction Engineering Promoter. Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 1 3 0.5 2 1 3 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt In the reactor At the inlet Averaged over the inlet and outlet At the outlet In the reactor At the inlet Averaged over the inlet and outlet At the outlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For any reaction, we may write conversion as a function of Concentration Time All of these Temperature Concentration Time All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Composition throughout the reactor remains same All of these Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor Composition throughout the reactor remains same All of these Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor ANSWER DOWNLOAD EXAMIANS APP