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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction.

Equal to or more than
More than
Equal to
Less than

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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

20°C
10°C
100°C
5°C

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Chemical Reaction Engineering
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.

Back-mix
Batch
Semi-batch
Tubular

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Chemical Reaction Engineering
BET apparatus

Is made entirely of stainless steel
None of these
Measures the catalyst surface area directly
Operates at very high pressure

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Chemical Reaction Engineering
If the rate of a chemical reaction becomes slower at a given temperature, then the

Free energy of activation is lower
Entropy changes
Free energy of activation is higher
Initial concentration of the reactants remains constant

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Chemical Reaction Engineering
The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

2
1
0.5

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