Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy Value of threshold energy decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs ln t1/2 CA0 Vs t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction. More than Less than Either B or C Equal to More than Less than Either B or C Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Not feasible Unpredictable as ΔG is no measure of feasibility of a reaction Very much feasible Just feasible Not feasible Unpredictable as ΔG is no measure of feasibility of a reaction Very much feasible Just feasible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering On application of pressure to the equilibrium system, ice ⇋ water; which of the following phenomenon will occur? 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 Water will evaporate Equilibrium will not be attained ANSWER DOWNLOAD EXAMIANS APP
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