Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 0 ∞ < 0.5 > 0.5 0 ∞ < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.03 hr⁻¹ 0.05 min⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ 0.03 hr⁻¹ 0.05 min⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a reaction depends on the Temperature of the system Extent of reaction Initial concentration of reactants Time of reaction Temperature of the system Extent of reaction Initial concentration of reactants Time of 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 ∝ 1/an + 1 T ∝ 1/an T ∝ an T ∝ 1/an - 1 T ∝ 1/an + 1 T ∝ 1/an T ∝ an T ∝ 1/an - 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the average kinetic energy of the reacting molecules Decrease in activation energy Increase in the number of effective collisions None of these Increase in the average kinetic energy of the reacting molecules Decrease in activation energy Increase in the number of effective collisions None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Does not initiate the reaction All of these Retards the rate of reaction Reduces the value of equilibrium constant Does not initiate the reaction All of these Retards the rate of reaction Reduces the value of equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
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