Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is Ln 0.5/k Ln 2/k Ln k/2 K/2 Ln 0.5/k Ln 2/k Ln k/2 K/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 1 0.5 0.33 Data insufficient, can't be predicted 1 0.5 0.33 Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Desorption of C Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Desorption of C Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower Free energy of activation is higher Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower Free energy of activation is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions The composition of reactants remains constant along a flow path There may be diffusion along the flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid The composition of reactants remains constant along a flow path There may be diffusion along the flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dispersion number of perfect mixed flow is > 150 ∞ < 2100 > 150 ∞ < 2100 ANSWER DOWNLOAD EXAMIANS APP
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