Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/mole.second Litre/second Moles/litre.second Litre/mole Litre/mole.second Litre/second Moles/litre.second Litre/mole ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ 1/an T ∝ an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ 1/an 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 Temperature 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Equilibrium constant Final products Activation energy Heat of reaction Equilibrium constant Final products Activation energy Heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. Equal None of these Half Twice Equal None of these Half Twice ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. Solid density All of these Surface area Pore volume Solid density All of these Surface area Pore volume ANSWER DOWNLOAD EXAMIANS APP
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