Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to or more than Equal to More than Less than Equal to or more than Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is -0.25 1 -0.5 -0.25 1 -0.5 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. Unpredictable from the data No change Decrease Increase Unpredictable from the data No change Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? None of these Surface chemical reaction Desorption Adsorption None of these Surface chemical reaction Desorption Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Heat and mass transfer effects Temperature Composition of reactant Pressure Heat and mass transfer effects Temperature Composition of reactant Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8764°K 9210°K 8621°K 8987°K 8764°K 9210°K 8621°K 8987°K ANSWER DOWNLOAD EXAMIANS APP