Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 6 4 8 3 6 4 8 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A photochemical reaction is __________ light. Catalysed by Accompanied with emission of Initiated by Used to convert heat energy into Catalysed by Accompanied with emission of Initiated by Used to convert heat energy into ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The use of space time is preferred over the mean residence time in the design of a/an Ideal tubular-flow reactor Slurry reactor CSTR Batch reactor Ideal tubular-flow reactor Slurry reactor CSTR Batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Neither A and B Continuous reaction Unreacted core Both A and B Neither A and B Continuous reaction Unreacted core Both A and B 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 Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Desorption of C Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Desorption of C ANSWER DOWNLOAD EXAMIANS APP
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