Chemical Reaction Engineering The energy of activation of a chemical reaction Is the minimum energy which the molecules must have before the reaction can take place Both B and C Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Both B and C Is same as heat of reaction at constant pressure Varies as fifth power of the temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical reaction rate of a component depends upon the Composition of the component only Pressure of the system Temperature of the system All of these Composition of the component only Pressure of the system Temperature of the system All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Thermal cracking of fuel oil Steam reforming of naphtha Gasification of carbon Combustion of sulphur Thermal cracking of fuel oil Steam reforming of naphtha Gasification of carbon Combustion of sulphur 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
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Gas film diffusion None of these Ash diffusion Chemical reaction Gas film diffusion None of these Ash diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ an T ∝ 1/an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ an T ∝ 1/an T ∝ 1/an + 1 T ∝ 1/an - 1 ANSWER DOWNLOAD EXAMIANS APP
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