Chemical Reaction Engineering In a chemical reaction, __________ are conserved. Atoms Masses Ions Both B & C Atoms Masses Ions Both B & C ANSWER DOWNLOAD EXAMIANS APP
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 ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is ∞ 1 > 1 ∞ 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at High temperature in a CSTR Low temperature in a CSTR Low temperature in a PFR High temperature in a PFR High temperature in a CSTR Low temperature in a CSTR Low temperature in a PFR High temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by All of these Large catalyst particle size An active surface of the catalyst Small pore diameter All of these Large catalyst particle size An active surface of the catalyst Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Reaction rate is trebled when the initial concentration is trebled Time for half change is half the time taken for completion of the reaction ANSWER DOWNLOAD EXAMIANS APP
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