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February 2019

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

Chemical Reaction /
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

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

Chemical Reaction

The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________?

Chemical Reaction /
The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________?

A. 2-5 %
B. 7-10 %
C. 12-15 %
D. 20-25 %

The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________? Read More »

Chemical Reaction

For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to ____________________?

Chemical Reaction /
For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to ____________________?

A. 0
B. 1
C. 0.1
D. 0.5

For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to ____________________? Read More »

Chemical Reaction

The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of „E/R’ is __________________?

Chemical Reaction /
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of „E/R’ is __________________?

A. 8987°K
B. 9210°K
C. 8764°K
D. 8621°K

The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of „E/R’ is __________________? Read More »

Chemical Reaction