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 Low temperature in a PFR Low temperature in a CSTR High temperature in a PFR High temperature in a CSTR Low temperature in a PFR Low temperature in a CSTR High temperature in a PFR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Data insufficient, can Large reactor followed by smaller one Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one Data insufficient, can Large reactor followed by smaller one Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a __________ order reaction, the units of rate constant and rate of reaction are the same. Second Fractional First Zero Second Fractional First Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? 1 Zero 2 3 1 Zero 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Volume of the reactor Temperature Initial concentration of N₂ and H₂ Total pressure of the system Volume of the reactor Temperature Initial concentration of N₂ and H₂ Total pressure of the system ANSWER DOWNLOAD EXAMIANS APP
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