Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Ash layer diffusion Chemical reaction Film diffusion Pore diffusion Ash layer diffusion Chemical reaction Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of 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 irreversible reaction is a special case of reversible reaction, if the Equilibrium constant is 1 Conversion of the reactant at equilibrium condition is zero All of these Reactant concentration at equilibrium condition is zero Equilibrium constant is 1 Conversion of the reactant at equilibrium condition is zero All of these Reactant concentration at equilibrium condition is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? None of these Time Useful volume of the tank Diameter of the reactor None of these Time Useful volume of the tank Diameter of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between absorbed A and absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Absorption of A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter Itself has very high activity Acts as a catalyst support All of these Improves the activity of a catalyst Itself has very high activity Acts as a catalyst support All of these Improves the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
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