Chemical Reaction Engineering The rate at which a chemical substance reacts is proportional to its None of these Equivalent weight Molecular weight Active mass None of these Equivalent weight Molecular weight Active mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Homogeneous Heterogeneous non Heterogeneous Homogeneous non Homogeneous Heterogeneous non Heterogeneous Homogeneous non ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Temperature Pressure Concentration of reactants Duration of reaction Temperature Pressure Concentration of reactants Duration of reaction 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 absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and absorbed B Surface reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Absorption of A ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)1/2n (1/2)n.CA (CA)n (CA)1/n (CA)1/2n (1/2)n.CA (CA)n (CA)1/n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
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