Chemical Reaction Engineering In an exothermic chemical reaction, the reactants compared to the products have Same energy Higher temperature More energy Less energy Same energy Higher temperature More energy Less energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Same as More than Less than Data insufficient; can't be predicted Same as More than Less than Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. At low P and high T At low P and low T At high P and low T At high P and high T At low P and high T At low P and low T At high P and low T At high P and high T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. First None of these Zero Second First None of these Zero Second ANSWER DOWNLOAD EXAMIANS APP