Chemical Reaction Engineering For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 16 8 32 12 16 8 32 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering On application of pressure to the equilibrium system, ice ⇋ water; which of the following phenomenon will occur? Water will evaporate Equilibrium will not be attained More water will be formed More ice will be formed Water will evaporate Equilibrium will not be attained More water will be formed More ice will be formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same. Tubular Semi-batch Batch Back-mix Tubular Semi-batch Batch Back-mix ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction Half of the residence time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? N? + O? ? 2NO 2O? ? 3O? 2SO? + O? ? 2SO? 2NO? ? N?O? N? + O? ? 2NO 2O? ? 3O? 2SO? + O? ? 2SO? 2NO? ? N?O? 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 absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Absorption of A ANSWER DOWNLOAD EXAMIANS APP
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