Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. Pore None of these Film Ash layer Pore None of these Film Ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is 10 1 0 ∞ 10 1 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism Decreases the activation energy All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism Decreases the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. None of these Catalytic Autocatalytic Photochemical None of these Catalytic Autocatalytic Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Autocatalytic Endothermic Autothermal Exothermic Autocatalytic Endothermic Autothermal Exothermic ANSWER DOWNLOAD EXAMIANS APP
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