Chemical Reaction Engineering The rate constant of a first order reaction depends on the Temperature Concentration of the product Concentration of the reactant Time Temperature Concentration of the product Concentration of the reactant Time 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 ∝ an T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an T ∝ 1/an - 1 T ∝ 1/an ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. No change Increase Unpredictable from the data Decrease No change Increase Unpredictable from the data Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 - x) (1 + x)² (1 + x) (1 - x)² (1 - x) (1 + x)² (1 + x) (1 - x)² ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) None of these Tan hT/T Tan hT/tan T Tan T/T None of these Tan hT/T Tan hT/tan T Tan T/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter Improves the activity of a catalyst All of these Acts as a catalyst support Itself has very high activity Improves the activity of a catalyst All of these Acts as a catalyst support Itself has very high activity ANSWER DOWNLOAD EXAMIANS APP