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 Conversion increases with increase in temperature in case of a an __________ reaction. Reversible exothermic Irreversible Reversible endothermic Autocatalytic Reversible exothermic Irreversible Reversible endothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is 0.875 Data insufficient to calculate 0.5 0.425 0.875 Data insufficient to calculate 0.5 0.425 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2O? ? 3O? 2NO? ? N?O? N? + O? ? 2NO 2SO? + O? ? 2SO? 2O? ? 3O? 2NO? ? N?O? N? + O? ? 2NO 2SO? + O? ? 2SO? 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 Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as k ∝ T1.5 k ∝ exp(-E/RT) k ∝ T k ∝ √T k ∝ T1.5 k ∝ exp(-E/RT) k ∝ T k ∝ √T ANSWER DOWNLOAD EXAMIANS APP
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