Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Tan T/T

Tan hT/T

None of these

Tan hT/tan T

Tan T/T

Tan hT/T

None of these

Tan hT/tan T

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Chemical Reaction Engineering
The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is

43898

43864

43833

43959

43898

43864

43833

43959

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Chemical Reaction Engineering
The space time is equivalent to the holding time in a steady state mixed reactor for

Gas reactions with changing no. of moles

Variable fluid density systems

Non-isothermal gas reaction

Constant fluid density systems

Gas reactions with changing no. of moles

Variable fluid density systems

Non-isothermal gas reaction

Constant fluid density systems

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Chemical Reaction Engineering
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is

Invertase

Zymase

Maltase

Diastase

Invertase

Zymase

Maltase

Diastase

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Chemical Reaction Engineering
A Catalyst

None of these

Shortens the time to reach the equilibrium

Increases the equilibrium concentration of the product

Changes the equilibrium constant of the reaction

None of these

Shortens the time to reach the equilibrium

Increases the equilibrium concentration of the product

Changes the equilibrium constant of the reaction

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Chemical Reaction Engineering
A catalyst is said to be a negative catalyst, ifit

Reduces the value of equilibrium constant

All of these

Does not initiate the reaction

Retards the rate of reaction

Reduces the value of equilibrium constant

All of these

Does not initiate the reaction

Retards the rate of reaction

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Chemical Reaction Engineering

Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is

Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for

Chemical Reaction Engineering The enzyme which can catalyse the conversion of glucose to ethyl alcohol is

Chemical Reaction Engineering A Catalyst

Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit

Chemical Reaction Engineering
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

Chemical Reaction Engineering
The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is

Chemical Reaction Engineering
The space time is equivalent to the holding time in a steady state mixed reactor for

Chemical Reaction Engineering
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is

Chemical Reaction Engineering
A Catalyst

Chemical Reaction Engineering
A catalyst is said to be a negative catalyst, ifit