Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction None of these Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction None of these Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Increase Decrease Increase exponentially Remain unchanged Increase Decrease Increase exponentially Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) N A A-N A+N N A A-N A+N ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method can be used to determine the __________ of the catalyst particle. All of these Porosity Pore volume Solid density All of these Porosity Pore volume Solid density ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant None ofthese Is not a function of the unit of time Has unit of time⁻¹ Changes on changing the concentration units None ofthese Is not a function of the unit of time Has unit of time⁻¹ Changes on changing the concentration units ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/2 3 1/3 1/9 1/2 3 1/3 1/9 ANSWER DOWNLOAD EXAMIANS APP
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