Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A+N N A-N A A+N N A-N A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Relative yield Selectivity Operational yield None of these Relative yield Selectivity Operational yield None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Operating conditions (e.g. pressure and temperature) None of these Density of mixture Rate constant Operating conditions (e.g. pressure and temperature) None of these Density of mixture Rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Does not initiate the reaction Retards the rate of reaction Reduces the value of equilibrium constant All of these Does not initiate the reaction Retards the rate of reaction Reduces the value of equilibrium constant All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Film diffusion Chemical reaction Ash layer diffusion Pore diffusion Film diffusion Chemical reaction Ash layer diffusion Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
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