Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when All of these The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor All of these The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy. Potential Kinetic Activation None of these Potential Kinetic Activation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Threshold energy in a reaction is equal to the Normal energy of reactants Activation energy Sum of A & B Neither A nor B Normal energy of reactants Activation energy Sum of A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to 1 0.5 0.1 1 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP