Chemical Reaction Engineering Specific rate constant for a second order reaction Depends on the nature of the reactants Varies with temperature Is independent of temperature Both B and C Depends on the nature of the reactants Varies with temperature Is independent of temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Activation energy Equilibrium constant Final products Heat of reaction Activation energy Equilibrium constant Final products Heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as None of these ND = n + 1 ND = (n + 1)/2 ND = n/2 None of these ND = n + 1 ND = (n + 1)/2 ND = n/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Decrease No change Increase Either A or B, depends on the type of reaction Decrease No change Increase Either A or B, depends on the type of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Increases Remains same Decreases Increases linearly Increases Remains same Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D2 D D1.5 √d D2 D D1.5 √d ANSWER DOWNLOAD EXAMIANS APP