Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Increase Decrease Unpredictable from the data No change Increase Decrease Unpredictable from the data No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The unit of frequency factor in Arhenious equation is Dimensionless None of these Same as that of activation energy Same as that of rate constant Dimensionless None of these Same as that of activation energy Same as that of rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction None of these K ∝ T e-E/RT K ∝ √T K ∝ e-E/RT None of these K ∝ T e-E/RT K ∝ √T K ∝ e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 2 0 1 1.5 2 0 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Threshold energy in a reaction is equal to the Neither A nor B Activation energy Sum of A & B Normal energy of reactants Neither A nor B Activation energy Sum of A & B Normal energy of reactants ANSWER DOWNLOAD EXAMIANS APP
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