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Questions and Answers
Which type of reaction model is being discussed in this section?
Which type of reaction model is being discussed in this section?
- Shrinking Particle Model (correct)
- Reaction System Model
- Multiple Particle Model
- Diffusional Transport Model
In the Shrinking Particle Model, what happens to the particle size as the reaction proceeds?
In the Shrinking Particle Model, what happens to the particle size as the reaction proceeds?
- The particle size remains constant
- The particle size becomes infinite
- The particle size increases
- The particle size decreases (correct)
Which of the following reactions is an example of the Shrinking Particle Model?
Which of the following reactions is an example of the Shrinking Particle Model?
- Combustion of fuels
- Oxidation of organic compounds
- Polymerization reactions
- Dissolution of metals/metal compounds (correct)
According to the text, which of the following is assumed in the Shrinking Core Model?
According to the text, which of the following is assumed in the Shrinking Core Model?
What controls the rate of reaction in the External Mass Transfer Controls?
What controls the rate of reaction in the External Mass Transfer Controls?
What is the rate of disappearance of B (-dnB) proportional to in the Shrinking Core Model?
What is the rate of disappearance of B (-dnB) proportional to in the Shrinking Core Model?
What is the rate of reaction constant in the Diffusion Through Product / Ash Layer Controls?
What is the rate of reaction constant in the Diffusion Through Product / Ash Layer Controls?
According to the text, which factor determines the rate expression of a reaction?
According to the text, which factor determines the rate expression of a reaction?
In the case where no solid product is formed and diffusion offers no resistance, how is the overall reaction influenced?
In the case where no solid product is formed and diffusion offers no resistance, how is the overall reaction influenced?
In the grain model of reaction modeling, which assumption is valid for determining the concentration profile of the fluid reactant within the solid?
In the grain model of reaction modeling, which assumption is valid for determining the concentration profile of the fluid reactant within the solid?
Which of the following is the correct way to write the equation for a line in slope-intercept form?
Which of the following is the correct way to write the equation for a line in slope-intercept form?
What is the solution to the mass balance equation for a single porous particle with no solid product formed?
What is the solution to the mass balance equation for a single porous particle with no solid product formed?
Which of the following is the formula for finding the area of a rectangle?
Which of the following is the formula for finding the area of a rectangle?
Which of the following is the formula for finding the circumference of a circle?
Which of the following is the formula for finding the circumference of a circle?
Which of the following is the formula for finding the area of a triangle?
Which of the following is the formula for finding the area of a triangle?
Which of the following is the formula for finding the volume of a cylinder?
Which of the following is the formula for finding the volume of a cylinder?
Which type of reactor is operated continuously and assumes perfect mixing throughout the reactor volume?
Which type of reactor is operated continuously and assumes perfect mixing throughout the reactor volume?
Which equation represents Fick's 2nd Law?
Which equation represents Fick's 2nd Law?
Which equation represents the mass balance for solid reactant B within each solid grain?
Which equation represents the mass balance for solid reactant B within each solid grain?
Which equation represents the relationship between time and conversion?
Which equation represents the relationship between time and conversion?
Which equation represents the macro mass balance equation for reaction engineering?
Which equation represents the macro mass balance equation for reaction engineering?
What is the design equation for a continuously stirred tank reactor (CSTR) at steady-state?
What is the design equation for a continuously stirred tank reactor (CSTR) at steady-state?
What is the design equation for a plug flow reactor (PFR) at steady-state?
What is the design equation for a plug flow reactor (PFR) at steady-state?
What is the required space time or residence time to reach the same output concentration (CA,o) of a PFR compared to a CSTR for n>0?
What is the required space time or residence time to reach the same output concentration (CA,o) of a PFR compared to a CSTR for n>0?
Which of the following is the basic equation for reaction engineering?
Which of the following is the basic equation for reaction engineering?
Which reactor type has a reaction rate that varies in the axial direction?
Which reactor type has a reaction rate that varies in the axial direction?
What is the design equation for a plug flow reactor?
What is the design equation for a plug flow reactor?
Which reactor type requires a lower required space time or residence time to reach the same output concentration?
Which reactor type requires a lower required space time or residence time to reach the same output concentration?
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