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Chemical Reaction Engineering

Chemical Reaction Engineering
Thermodynamic equilibrium constant in a system is affected by

Temperature
Pressure
All of these
Inerts

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Chemical Reaction Engineering
For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times.

16
32
12
8

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Chemical Reaction Engineering
A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be

100°C
5°C
20°C
10°C

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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 ?

1/3
3
1/2
1/9

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Chemical Reaction Engineering
Which of the following is not a chemical step in a fluid solid catalytic reaction?

Surface chemical reaction
None of these
Desorption
Adsorption

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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 hT/tan T
None of these
Tan hT/T
Tan T/T

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