Chemical Reaction

For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ________________ is the controlling resistance?

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For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ________________ is the controlling resistance?

A. Film diffusion
B. Diffusion through ash layer
C. Chemical reaction
D. Either A., B. or C.

The minimum energy required to allow a chemical reaction to proceed is termed as the ‘threshold energy ‘. Chemical reactions with low activation energy are ________________?

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The minimum energy required to allow a chemical reaction to proceed is termed as the ‘threshold energy ‘. Chemical reactions with low activation energy are ________________?

A. Always irreversible
B. Insensitive to temperature changes
C. Mostly irreversible
D. Highly temperature sensitive

A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be ____________________ minutes?

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A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be ____________________ minutes?

A. 4
B. 8
C. 12
D. 16

The conversion for a second order, irreversible reaction (constant volume) as shown in the bellow figure, in batch mode is given by______________?

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The conversion for a second order, irreversible reaction (constant volume) as shown in the bellow figure, in batch mode is given by______________?

A. 1/(1 + k2 . CA0 . t)
B. (k2 . CA0 . t)/ (1 + k2 . CA0 . t)
C. (k2 . CA0 . t)2/ (1 + k2 . CA0 . t)
D. (k2 . CA0 . t)/ (1 + k2 . CA0 . t)2