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 The units of frequency factor in Arhenious equation Depend on the order of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Depend on the order of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction 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 E ΔHA + ΔHR E + ΔHA - ΔHR E + ΔHA E ΔHA + ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its None of these Porosity Surface area Sensitivity None of these Porosity Surface area Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be 5°C 100°C 10°C 20°C 5°C 100°C 10°C 20°C 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 Initial concentration of N₂ and H₂ Volume of the reactor Total pressure of the system Temperature Initial concentration of N₂ and H₂ Volume of the reactor Total pressure of the system Temperature ANSWER DOWNLOAD EXAMIANS APP
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