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Questions and Answers
What is the end product of the Boudouard process involving carbon and carbon dioxide?
What is the end product of the Boudouard process involving carbon and carbon dioxide?
In the cubic equation of state, what does the assumption for the middle root signify?
In the cubic equation of state, what does the assumption for the middle root signify?
Which statement accurately describes the Lee/Kesler correlation?
Which statement accurately describes the Lee/Kesler correlation?
What is the primary process involved in the formation of nuclei during crystallization?
What is the primary process involved in the formation of nuclei during crystallization?
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What force pattern is created when disintegrating a particle using two rigid forces?
What force pattern is created when disintegrating a particle using two rigid forces?
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At what condition does a mixture of silica and alumina form a eutectic?
At what condition does a mixture of silica and alumina form a eutectic?
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Which option best describes the function of a screw conveyor?
Which option best describes the function of a screw conveyor?
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Which product is derived from the distillation of coal tar?
Which product is derived from the distillation of coal tar?
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Which of these options is not a common cause of feedback on a telephone during rainy days?
Which of these options is not a common cause of feedback on a telephone during rainy days?
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Which type of vessel is best supported by skirt supports?
Which type of vessel is best supported by skirt supports?
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For a zero-order reaction, the ratio of the volume of a backmix reactor to the volume of a plug-flow reactor is what?
For a zero-order reaction, the ratio of the volume of a backmix reactor to the volume of a plug-flow reactor is what?
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Which process is not considered exothermic?
Which process is not considered exothermic?
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What is the primary factor to consider when selecting a dryer?
What is the primary factor to consider when selecting a dryer?
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What represents the minimum temperature at which vapor above a liquid will continue to burn once ignited?
What represents the minimum temperature at which vapor above a liquid will continue to burn once ignited?
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What occurs to a particle when it reaches the grinding limit?
What occurs to a particle when it reaches the grinding limit?
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What condition indicates a temperature in which reactor conditions can no longer be controlled?
What condition indicates a temperature in which reactor conditions can no longer be controlled?
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Which type of ultrasonic flow meter utilizes the Doppler effect?
Which type of ultrasonic flow meter utilizes the Doppler effect?
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Which of the following substances is classified as a pesticide?
Which of the following substances is classified as a pesticide?
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What is a common method for removing fine particles in hot airstreams during cement production?
What is a common method for removing fine particles in hot airstreams during cement production?
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At which condition are fugacity and pressure numerically equal for a gas?
At which condition are fugacity and pressure numerically equal for a gas?
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What phenomenon occurs when the local static pressure in a fluid drops below the vapor pressure, causing damage from bubble formation?
What phenomenon occurs when the local static pressure in a fluid drops below the vapor pressure, causing damage from bubble formation?
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Which action is least likely to prevent swirling or vortex formation during agitation?
Which action is least likely to prevent swirling or vortex formation during agitation?
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Which membrane separation process allows a component from a heated liquid to pass through a membrane at low pressure?
Which membrane separation process allows a component from a heated liquid to pass through a membrane at low pressure?
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In the context of a packed column, which equipment is most effective in preventing channeling?
In the context of a packed column, which equipment is most effective in preventing channeling?
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The theory of resonance was developed to explain bonding structures of molecules not covered by the Lewis Octet Rule. Who developed this theory?
The theory of resonance was developed to explain bonding structures of molecules not covered by the Lewis Octet Rule. Who developed this theory?
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What is the process called that generates glucose from certain non-carbohydrate carbon precursors during prolonged starvation?
What is the process called that generates glucose from certain non-carbohydrate carbon precursors during prolonged starvation?
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What is used as a precursor of vinyl chloride in chemical processes?
What is used as a precursor of vinyl chloride in chemical processes?
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What type of bonding primarily contributes to the diamond structure?
What type of bonding primarily contributes to the diamond structure?
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When hydrogen is removed from a benzene ring, which compound is produced?
When hydrogen is removed from a benzene ring, which compound is produced?
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Which of the following statements about the range of electronegativity is true?
Which of the following statements about the range of electronegativity is true?
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What common coagulant is used for water purification?
What common coagulant is used for water purification?
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What does MSDS stand for related to chemical safety communication?
What does MSDS stand for related to chemical safety communication?
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Which process involves the interchange of matter and energy between living beings and their environment?
Which process involves the interchange of matter and energy between living beings and their environment?
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What compound was produced by Alfred Baeyer through the combination of malonic acid and urea?
What compound was produced by Alfred Baeyer through the combination of malonic acid and urea?
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Which of the following statements about dodecane is true?
Which of the following statements about dodecane is true?
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Which is the only natural amino acid that possesses no chiral center?
Which is the only natural amino acid that possesses no chiral center?
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How long does it typically take to detect antibodies in rabbit serum after the injection of a foreign substance?
How long does it typically take to detect antibodies in rabbit serum after the injection of a foreign substance?
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Which amino acid has the highest nitrogen content by percentage?
Which amino acid has the highest nitrogen content by percentage?
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In which atmospheric layer is temperature known to decrease with increasing altitude and gas concentration is low?
In which atmospheric layer is temperature known to decrease with increasing altitude and gas concentration is low?
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What is the diameter of a duct that provides the same pressure drop as a rectangular duct known as?
What is the diameter of a duct that provides the same pressure drop as a rectangular duct known as?
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Study Notes
Resonance Theory
- Developed by Linus Pauling
- Explains bonding structures of molecules or ions not covered by Lewis Octet Rule
Glucose Formation
- Gluconeogenesis is the generation of glucose from non-carbohydrate carbon precursors during prolonged starvation
Ethylene
- Precursor of vinyl chloride
Diamond Structure
- Strong covalent bonding is responsible for its structure
Aryl and Phenyl Groups
- Aryl is the term used when hydrogen is removed from a benzene ring
- Phenyl is an aryl group
Electronegativity
- Ranges from 0 to 4
Magnesium Nitride
- Magnesium reacts with nitrogen to produce magnesium nitride and hydrogen gas
Water Purification
- Ferric Sulphate is the most common coagulant used in water purification
MSDS
- Stands for Material Safety Data Sheet
Sigma Bonds in Benzene
- Each carbon atom in benzene has 3 sigma bonds
Malic Acid
- Predominant organic acid found in apples
Olvanil
- Contains 29 carbon atoms
Amino Acids
- 20 amino acids are found in human proteins
Ozonolysis
- Method for cleaving unsaturated bonds with ozone
Amino Acid Sequencing
- Method for sequencing amino acids by sequentially removing one residue at a time from the amino end of a peptide
Metabolism
- Set of processes performed by living beings that allow them to interchange matter and energy with their environment
Barbituric Acid
- Produced by combining malonic acid and urea
Properties of Dodecane
- Insoluble in water
- Soluble in hexane
- Combustible
- Liquid at room temperature
- Less dense than water
Glycine
- Only natural amino acid with no chiral center
Antibody Production
- Takes more than 2 weeks to find antibodies against a foreign substance in a rabbit serum
Nitrogen Content in Amino Acids
- Arginine has the highest percentage of nitrogen among the listed amino acids
Mesosphere
- Above the stratosphere, with low ozone and other gas concentrations
- Temperature decreases with increasing altitude
Equivalent Diameter
- Diameter of a circular duct that gives the same pressure drop as a rectangular duct
Control Systems
- Cascade control systems minimize upset
Plasticizers
- Phthalate is a plasticizer used in PVC
Natural Gas Dehydration
- Monoethanolamine is a drying substance used in the dehydration and sweetening of natural gas
Telephone Feedback
- Oscillation causes feedback on the telephone during rainy days
Skirt Supports
- Most suitable for tall vertical vessels
Zero-Order Reaction
- Ratio of the volume of a backmix reactor to the volume of a plugflow reactor is greater than 1 for the same reactant conversion and conditions
Dryer Selection
- The physical properties of the material to be dried are the primary consideration in selecting a dryer
Exothermic Processes
- Catalytic cracking is not an exothermic process
Reactor Design
- Economics of the overall process is the primary consideration in searching for optimum efficiency in reactor design
Power Plants
- Petroleum refineries themselves are power plants
Fire Point
- Minimum temperature at which vapor above a liquid will continue to burn once ignited
Hydrogen Production
- Electrolysis is the most efficient process for hydrogen production, emitting the least amount of carbon
Runaway Temperature
- Temperature at which reactor conditions cannot be controlled
Grinding Limit
- At the grinding limit, there is no change in particle size
Internal Energy
- Internal energy has no concise thermodynamic definition and cannot be measured directly
Boudouard Process
- C + CO2 -> 2CO
Cubic Equation of State
- The middle root in the cubic equation of state has no significance
Lee/Kesler Correlation
- Applicable for non-polar and slightly polar compounds
Crystallization
- Formation of nuclei during crystallization is called primary nucleation
Particle Disintegration
- Impact is the dominant basic pattern of applied force when disintegrating a particle with two rigid forces
Refractory Materials
- A mixture of silica and alumina forms a eutectic at 96.0% SiO2 @ 1900oC
Screw Conveyor
- Transfers dry bulk materials from one area to another through air pressure
Coal Tar Distillation
- Phenol is produced by the distillation of coal tar
Design Constraints
- Plausible describes a design within external constraints
- Probable describes likely candidates
- Best describes the optimum design
Earth Wax
- Ozocerite is another name for earth wax
Ultrasonic Flow Meters
- Doppler is used in ultrasonic flow meters
Pesticides
- Polychlorinated biphenyl is not a pesticide
Fine Particle Removal
- Cyclone separators are commonly used in cement production to remove fine particles in hot airstream
Fugacity and Pressure
- Fugacity and pressure are numerically equal for an ideal gas
Emissivity
- A material's ability to radiate absorbed energy is called emissivity
Cavitation
- Occurs in a fluid flow system when local static pressure drops below the vapor pressure of the liquid
- Results in damage to pumps and control valves
Vortex Prevention
- Mounting the mixer in an angular off-center position will not prevent swirling or vortex formation in agitation
Pervaporation
- Membrane separation process where a component from a heated liquid phase permeates through the membrane under low pressure
Channeling Prevention
- Liquid distributors prevent channeling in a packed column
Chemical Plant Anatomy
- Feed preparation is the first stage in the anatomy of a chemical manufacturing plant
Reactor Types
- Tubular flow reactors are best suited for very high-pressure gas phase reactions
PRC Chairperson
- Teofilo S. Pilando, Jr. is the PRC Chairperson
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Description
This quiz covers various important chemistry concepts, such as resonance theory, electronegativity, and the structure of diamond and benzene. It also explores biochemical processes like gluconeogenesis and key materials like magnesium nitride and ferric sulfate used in water purification. Test your understanding of chemical bonding, functional groups, and organic compounds.
