Chemical Reaction Engineering The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Potential Activation Binding Threshold Potential Activation Binding Threshold ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 2 22 4 11 2 22 4 11 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs . τ XA Vs ln τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs . τ XA Vs ln τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)n (CA)1/n (CA)1/2n (1/2)n.CA (CA)n (CA)1/n (CA)1/2n (1/2)n.CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase of reactant concentration Decreases with increase in temperature None of these Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration Decreases with increase in temperature None of these Increases with increase of pressure of reactants for all reactions ANSWER DOWNLOAD EXAMIANS APP
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