Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Neither A nor B Either A or B; depends on the type of catalyst Increases Decreases Neither A nor B Either A or B; depends on the type of catalyst Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Saliva Intestine Gland Blood Saliva Intestine Gland Blood ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order reaction carried out in a plug flow reactor, the space time is K In C/C0 K In C0/C 1/K In C0/C 1/K In C/C0 K In C/C0 K In C0/C 1/K In C0/C 1/K In C/C0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Increases Decreases Remains unchanged Unpredictable from the data Increases Decreases Remains unchanged Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
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