Chemical Reaction Engineering The rate constant of a first order reaction depends on the Temperature Concentration of the product Concentration of the reactant Time Temperature Concentration of the product Concentration of the reactant Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a catalytic reaction can be best studied on a/an __________ reactor. Either A, B and C Mixed Differential (flow) Integral (plug flow) Either A, B and C Mixed Differential (flow) Integral (plug flow) 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) E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR E E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR E ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? Useful volume of the tank Diameter of the reactor None of these Time Useful volume of the tank Diameter of the reactor None of these Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Study of chemical kinetics is the easiest in the case of __________ reactions. Irreversible Reversible Side Surface Irreversible Reversible Side Surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Provide large surface area with a small amount of active material Have very high selectivity Increase the activity of a catalyst Inhibit catalyst poisoning Provide large surface area with a small amount of active material Have very high selectivity Increase the activity of a catalyst Inhibit catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
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