Chemical Reaction

Thermodynamic equilibrium constant in a system is affected by___________________?

Byadmin February 23, 2019August 23, 2021

Thermodynamic equilibrium constant in a system is affected by___________________?

A. Inerts
B. Pressure
C. Temperature
D. All A., B. & C.

Chemical Reaction

A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length ?

A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length ?

A. Decreases
B. Increases
C. Is at the highest allowable temperature throughout
D. First increases and then decreases

Read More A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length ?
Chemical Reaction

For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?

For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?

A. 1/(time)n
B. (Concentration)1 – n/(time)
C. (Concentration)n – 1/(time)
D. None of these

Read More For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?
Chemical Reaction

For all positive reaction orders for a particular duty ?

For all positive reaction orders for a particular duty ?

A. Mixed reactor is always larger than the plug-flow reactor
B. Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order
C. Reactor size is independent of the type of flow
D. Density variation during reaction affects design

Read More For all positive reaction orders for a particular duty ?
Chemical Reaction

A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

A. Large reactor followed by smaller one
B. Smaller reactor followed by larger one
C. Either of the arrangement A. or B. will give the same yield
D. Data insufficient, can’t be predicted

Read More A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?
Chemical Reaction

Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually ________________ the concentration of catalyst, if it does not entail a chain mechanism?

Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually ________________ the concentration of catalyst, if it does not entail a chain mechanism?

A. Proportional to
B. Independent of
C. Inversely proportional to
D. Proportional to the square of

Read More Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually ________________ the concentration of catalyst, if it does not entail a chain mechanism?
Chemical Reaction

For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?

For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?

A. Time
B. Length
C. Diameter
D. None of these

Read More For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?

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