Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA None of these Independent of temperature ∝ CA ∝ 1/CA None of these Independent of temperature ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an - 1 T ∝ an T ∝ 1/an + 1 T ∝ 1/an T ∝ 1/an - 1 T ∝ an T ∝ 1/an + 1 T ∝ 1/an ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as k ∝ exp(-E/RT) k ∝ T k ∝ T1.5 k ∝ √T k ∝ exp(-E/RT) k ∝ T k ∝ T1.5 k ∝ √T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a first order chemical reaction changes the Heat of reaction Equilibrium constant Activation energy Heat of formation of the product Heat of reaction Equilibrium constant Activation energy Heat of formation of the product ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C. 512 256 112 612 512 256 112 612 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Pore diffusion Chemical reaction Gas film None of these Pore diffusion Chemical reaction Gas film None of these ANSWER DOWNLOAD EXAMIANS APP