Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to or more than More than Equal to Less than Equal to or more than More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction between oxygen and organic material is a/an __________ reaction. Biochemical Photochemical Endothermic Exothermic Biochemical Photochemical Endothermic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Always the same irrespective of the reaction Proportional to the initial concentration of reactants Half the specific rate constant Dependent on initial concentration of the reactants Always the same irrespective of the reaction Proportional to the initial concentration of reactants Half the specific rate constant 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 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 K In C/C0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an adiabatic plug flow reactor (PFR). Pure A at a concentration of 2 kmol/m³ is fed to the reactor at the rate of 0.01 m³ /s and at a temperature of 500 K. If the exit conversion is 20%, then the exit temperature (in k)is (Data: Heat of reaction at 298 K = - 50000 kJ/ kmole of A reacted Heat capacities CPA = CPB = 100kJ/kmole. K (may be assumed to be independent of temperature)) 1000 600 500 400 1000 600 500 400 ANSWER DOWNLOAD EXAMIANS APP
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