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Chemical Reaction Engineering

Chemical Reaction Engineering
If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible.

∞
0
> 0.5
< 0.5

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Chemical Reaction Engineering
A balanced chemical reaction equation conforms to the law of

Conservation of mass
None ofthese
Avagadro's hypothesis
Gaseous volumes

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Chemical Reaction Engineering
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds.

1
3
43833
32

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Chemical Reaction Engineering
The extent of a reaction is

All of these
Different for reactants and products
Depends on the stoichiometric co-efficient
Dimensionless

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Chemical Reaction Engineering
The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from

L.0 to 10⁻⁸
0.1 to 0.9
None of these
L.l.to 10²

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Chemical Reaction Engineering
The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is

1.5
1
0.5
-0.5

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