Chemical Reaction Engineering Arhenious equation shows the variation of __________ with temperature. Energy of activation Reaction rate Rate constant Frequency factor Energy of activation Reaction rate Rate constant Frequency factor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Gas film Ash Chemical reaction None of these Gas film Ash Chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is Data insufficient to calculate 0.5 0.425 0.875 Data insufficient to calculate 0.5 0.425 0.875 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Remains unaltered Changes unpredictably Decreases Increases Remains unaltered Changes unpredictably Decreases 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 Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? Concentration and catalyst None of these Temperature Pressure Concentration and catalyst None of these Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP