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. Decrease Increase Unpredictable from the data No change Decrease Increase Unpredictable from the data No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ explains the mechanism of catalysis. Collision theory Thermodynamics Activated complex theory None of these Collision theory Thermodynamics Activated complex theory None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a first order reaction depends on the Concentration of the product Temperature Concentration of the reactant Time Concentration of the product Temperature Concentration of the reactant Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. Chemical Neither A nor B Physical Both A and B Chemical Neither A nor B Physical Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) ΔHA + ΔHR E + ΔHA E + ΔHA - ΔHR E ΔHA + ΔHR E + ΔHA E + ΔHA - ΔHR E 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
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