Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Increase in initial concentration Decrease in total pressure Increase of reaction time Total pressure Increase in initial concentration Decrease in total pressure Increase of reaction time Total pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single PFR of volume V PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V PFR of volume V/X CSTR of volume V CSTR of volume V/X 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 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 Surface reaction between absorbed A and absorbed B Absorption of A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because None of these It is a reversible reaction It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light None of these It is a reversible reaction It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant Changes on changing the concentration units Has unit of time⁻¹ Is not a function of the unit of time None ofthese Changes on changing the concentration units Has unit of time⁻¹ Is not a function of the unit of time None ofthese ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by External mass transfer Reaction Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet None of these ANSWER DOWNLOAD EXAMIANS APP
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