Chemical Reaction Engineering Space time equals the mean residence time When the density of the reaction mixture is constant For narrow diameter tubular reactor For large diameter tubular reactor For CSTR When the density of the reaction mixture is constant For narrow diameter tubular reactor For large diameter tubular reactor For CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if A catalyst is added An inert gas is pumped keeping the temperature constant None of these The temperature is increased A catalyst is added An inert gas is pumped keeping the temperature constant None of these The temperature is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Reaction rate Concentration Neither A nor B Both A & B Reaction rate Concentration Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)1/2n (1/2)n.CA (CA)1/n (CA)n (CA)1/2n (1/2)n.CA (CA)1/n (CA)n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Is independent of temperature Varies with temperature Depends on the nature of the reactants Both B and C Is independent of temperature Varies with temperature Depends on the nature of the reactants Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
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