Chemistry in Everyday Life Final Exam
Course Introduction
Chemistry in Everyday Life explores the fundamental principles of chemistry through the lens of daily experiences and common products. The course demonstrates how chemical concepts underpin everything from cooking and cleaning to medicine, cosmetics, and environmental issues. Students will investigate the science behind household substances, food additives, pharmaceuticals, and synthetic materials, as well as their impacts on health and the environment. Through engaging discussions and hands-on activities, the course aims to make chemistry relatable and accessible, fostering a deeper understanding of how chemical processes shape the modern world.
Recommended Textbook
CHEM2 Chemistry in Your World 2nd Edition by Hogg
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Page 2
Chapter 1: Living in a World of Chemistry
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Sample Questions
Q1) The American perception of "It can't happen to me." or "It can't happen here." changed in 2001.
A)True
B)False
Answer: True
Q2) What is the term applied to scientific research that is oriented toward an immediate, practical goal?
A)basic research
B)applied research
C)natural science
D)social science
E)technology
Answer: B
Q3) The smallest concentration listed below is
A) parts per million.
B) parts per trillion.
C) parts per billion.
D) parts per thousand.
Answer: B
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Chapter 2: The Chemical View of Matter
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Q1) The simplest form of matter is a(n)
A) element.
B) mixture.
C) compound.
D) solution.
Answer: A
Q2) Which of the following is an SI unit of ?
A) pound
B) kilogram
C) quart
D) calorie
Answer: B
Q3) Sublimation is a characteristic physical property of
A) chlorine (Cl<sub>2</sub>, liquid).
B) oxygen (O<sub>2</sub>, gas).
C) bromine (Br<sub>2</sub>, liquid).
D) iodine (I<sub>2</sub>, solid).
Answer: D
Q4) Mg is the chemical symbol for ____________________.
Answer: magnesium
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Chapter 3: Atoms and the Periodic Table
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Sample Questions
Q1) The elements that are good conductors of heat and electricity are the metals.
A)True
B)False
Answer: True
Q2) The element that corresponds to the following electron configuration is: 1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>
A) sodium
B) magnesium
C) lithium
D) beryllium
E) neon
Answer: E
Q3) In an electric field, a stream of electrons will be deflected toward the _____________pole.
Answer: positive
Q4) An element having this Lewis dot symbol would be classified as a __________.
Answer: nonmetal
Q5) As the wavelength of electron magnetic radiation increases, the energy of the wave
Answer: decreases
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Chapter 4: The Air We Breathe
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Sample Questions
Q1) The primary source of carbon monoxide (CO) is
A) the automobile.
B) any burning process in the presence of a plentiful supply of air.
C) from carbon dioxide.
D) electrical power plants.
Q2) Which of the following is not considered an air pollutant?
A) water vapor
B) ozone
C) nitric oxide
D) sulfur dioxide
Q3) The atmospheric layer in which is found the air we breathe is A) troposphere.
B) mesophere.
C) stratosphere.
D) thermosphere.
Q4) A polynuclear aromatic hydrocarbon capable of causing cancer is A) HCFC-134a.
B) perchloroethylene.
C) asbestos.
D) benzo(alpha)pyrene.
Page 6
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Chapter 5: Chemical Bonding and States of Matter
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Sample Questions
Q1) Which of the following elements can form a cation?
A) K
B) Ne
C) O
D) F
Q2) What is the expected formula for a reaction between aluminum and oxygen?
A) AlO
B) Al<sub>2</sub>O<sub>3</sub>
C) AlO<sub>2</sub>
D) Al<sub>3</sub>O<sub>2</sub>
Q3) Magnesium nitride is made up of magnesium ions and nitride ions. What is the expected formula of magnesium nitride?
A) MgN
B) Mg<sub>2</sub>N<sub>3</sub>
C) MgN<sub>2</sub>
D) Mg<sub>3</sub>N<sub>2</sub>
Q4) If X was the element K and Y the element O, which type of bond would form?
Q5) Which type of bond would be found in hydrochloric acid, HCl?
Q6) Which bond type would represent that found in I<sub>2</sub>?
Q7) The total number of bonding electron pairs in hexane is____________.
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Chapter 6: Carbon Dioxide and the Greenhouse Effect
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Sample Questions
Q1) The concentration of N<sub>2</sub>O given in the table is equivalent to ________ppm.
Q2) What is another name for infrared radiation?
A) gamma rays
B) heat
C) kilocalorie
D) greenhouse gas
Q3) Which source removes carbon dioxide from the atmosphere?
A) plants
B) oceans
C) phytoplankton
D) all of the above
Q4) Which arrow or sets of arrows do not contribute to the warming of the troposphere?
A)A
B)B
C)C
D)D
Q5) The concentration of O<sub>3</sub> given in the table is equivalent to ________ppb.
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Chapter 7: Chlorofluorocarbons and the Ozone Layer
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Sample Questions
Q1) Which molecule absorbs UV-B radiation?
A) O<sub>2</sub>
B) O<sub>3</sub>
C) CO<sub>2</sub>
D) NO<sub>2</sub>
Q2) Which molecule is used as a replacement for CFC?
A) HFC-134a
B) HCFC-123
C) HFC-152a
D) all of the above
Q3) Which type of radiation is the most energetic?
A) UV-A
B) UV-B
C) UV-C
D) visible
Q4) Decreasing ozone concentrations are only observed over Antarctica.
A)True
B)False
Q5) A reaction that would serve to decrease the amount of oxygen is reaction
9
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Chapter 8: Chemical Reactivity: Chemicals in Action
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Sample Questions
Q1) The reactants are represented by the letter _______.
Q2) How many atoms are represented in the formula Ca<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>?
A) 9
B) 11
C) 13
D) 1
Q3) Which will increase the rate of a reaction?
A) increasing temperature
B) increasing temperature and concentration
C) increasing temperature and surface area
D) all of these
Q4) The molar mass of sulfur trioxide is ________g.
Q5) E<sub>act</sub> is represented by the letter_______.
Q6) Which is a statement of the Second Law of Thermodynamics?
A) Energy can be converted from one form to another.
B) Things are getting more screwed up every day.
C) There's no such thing as a free lunch.
D) You can't get something for nothing.
Q7) E<sub>reaction</sub> is represented by the letter ________.
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Chapter 9: Acid-Base Reactions
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Sample Questions
Q1) Chemical buffering systems
A) maintain constant pH.
B) consist of a acid and a base pair.
C) absorb added H<sup>+</sup> or OH<sup>-</sup> ions.
D) Buffers do all of the above.
Q2) A base is
A) an OH<sup>-</sup> ion donor.
B) a hydrogen ion donor.
C) a substance like magnesium hydroxide, Mg(OH)<sub>2</sub>.
D) both a and c
Q3) A solution with pH 7.0 is neutral because the concentration of the hydroxide ions and hydronium ions are equal
A)True
B)False
Q4) Red cabbage can be used as a dye indicator used to measure pH, in basic solutions it has a_________ color.
A) pink
B) yellow
C) red
D) colorless
11
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Chapter 10: Oxidation-Reduction Reactions
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Sample Questions
Q1) Which of the batteries listed below is a reusable battery?
A) dry cell battery
B) mercury battery
C) alkaline battery
D) lead storage battery
Q2) Which of the following is a free radical?
A) SO<sub>2</sub>
B) SO<sub>3</sub>
C) NO
D) N<sub>2</sub>O
Q3) Al should be placed at letter _____.
Q4) The Fe<sup>2+</sup> should be placed at letter ____.
Q5) PbSO<sub>4</sub>, Pb, and H<sub>2</sub>SO<sub>4</sub> are chemicals in
A) dry cell
B) primary battery
C) salt bridge
D) automobile battery
Q6) The reducing agent in the following reaction is ___________. I<sub>2</sub> + Zn \(\to\) 2I<sup>-</sup> + Zn<sup>2+</sup>
Q7) The oxidizing agent is found in compartment ______.
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Chapter 11: Water, Water Everywhere but Not a Drop to Drink
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Sample Questions
Q1) Primary wastewater treatment copies two of nature's purification methods. Which two are these?
A) distillation and crystallization
B) settling and filtration
C) aeration and chlorination
D) oxidation and dilution
Q2) Freshwater can be made from seawater by A) distillation.
B) reverse osmosis.
C) filtration.
D) both a and b above
Q3) The source of water for "G" is region labeled by the letter_____.
Q4) The average number of gallons of water used per person per day in the United States is roughly
A) 20 gal.
B) 40 gal.
C) 60 gal.
D) 91 gal.
Q5) The region that provides a source of water to both surface and ground water resources is indicated by letter _____.
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Chapter 12: Energy and Hydrocarbons
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Sample Questions
Q1) Which fuel has the largest heat of combustion per gram?
A) hydrogen
B) ethanol
C) wood
D) gasoline
Q2) Which alcohol is called wood alcohol?
A) ethanol
B) isopropyl alcohol
C) 1-propanol
D) methanol
Q3) The combustible products of most coal gasification techniques are
A) nitrogen, hydrogen, and carbon monoxide.
B) nitrogen and hydrogen.
C) hydrogen and carbon monoxide.
D) carbon dioxide and hydrogen.
Q4) Which of the following is ethylene?
A) CH<sub>2</sub>=CHCH<sub>3</sub>
B) CH<sub>2</sub>=CH<sub>2</sub>
C) H-C=C-H
D) CH<sub>3</sub>-CH<sub>3</sub>
Page 14
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Chapter 13: Nuclear Changes and Nuclear Power
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Sample Questions
Q1) The following represents a correct conversion factor.
1 Ci = 10<sup>6</sup> dps
A)True
B)False
Q2) At 80 hours, _____half-lives will have occurred.
Q3) A major, unsolved problem with nuclear energy is A) cost.
B) engineering problems with design reactors.
C) acquiring land on which to build nuclear reactors.
D) what to do with nuclear wastes with long half-lives.
Q4) If a 500. mg sample of element X had been used, _____mg would remain after 60 hours.
Q5) Tritium, H-3, and hydrogen, H-1, are A) fission reactants.
B) fission products.
C) fusion reactants.
D) fusion products.
Q6) If the 750 mg sample of element X had been used, the half-life would be ______hours.
Q7) After 20 hours, ______mg of sample X will remain.
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Chapter 14: Organic Chemicals and Polymers
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Sample Questions
Q1) Which type of polyethylene has the greatest amount of branched chains?
A) LDPE
B) HDPE
C) CLPE
D) none have any branches
Q2) In the manufacture of vulcanized rubber, sulfur is used to form cross-links.
A)True
B)False
Q3) Which of the following is not a factor in the degree of chain branching in polyethylene?
A) reaction temperature
B) reaction pressure
C) catalysis
D) source of ethylene
Q4) An addition polymer that finds use in fibers for rugs and fabrics is
A) polypropylene.
B) PVC.
C) nylon.
D) polyacrylonitrile.
Q5) This substance could react with an amine to form a(n) ________bond.
Page 16
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Chapter 15: The Chemistry of Life
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Sample Questions
Q1) Base pairing between the two strands of DNA occurs by means of A) hydrogen bonding.
B) coordinate covalent bonds.
C) ionic bonds.
D) disufide bonds.
Q2) The secondary structure of proteins is
A) the amino acid sequence of amino acids in the polypeptide chain.
B) the helical structure.
C) the sheetlike structure.
D) the preferred conformation of a given protein.
Q3) Which object/objects can be chiral?
A) proteins
B) an alanine molecule
C) pair of shoes
D) all of the above
Q4) The process in which mRNA is made from DNA is called
A) transcription.
B) translation.
C) replication.
D) recombination.
Page 17
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Chapter 16: Nutrition: the Basis of Healthy Living
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Sample Questions
Q1) Compounds which contain many -OH groups and readily form hydrogen bonds would be found in which classification?
A)preservative
B)flavor enhancer
C)sequestrant
D)food flavor
E)food colors
F)pH controllers
G)anticaking
H)stabilizers and thickeners
Q2) Which is an important indigestible carbohydrate in the diet?
A) amylose
B) cellulose
C) glycogen
D) glucose
Q3) Na<sup>+</sup>, K<sup>+</sup>, and Cl<sup>-</sup> are the most important ions regulating the electrolyte balance in body fluids.
A)True
B)False
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Chapter 17: Chemistry and Medicine
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Sample Questions
Q1) Which substance would be used to treat an extreme allergic reaction (an anaphylactic shock)?
A) L-dopa
B) antihistamine
C) serotonin
D) epinephrine
Q2) Analgesics include both OTC and prescription drugs.
A)True
B)False
Q3) How do protease inhibitors work?
A) prevent an enzyme from functioning
B) block protein synthesis
C) inhibit RNA synthesis
D) kill the cell
Q4) What are scheduled drugs?
A) Drugs that are taken at scheduled times.
B) Drugs that are recognized as being abused and classified as dangerous.
C) Drugs which are designed by chemists to mimic heroin.
D) Drugs which are designed for a specific purpose.
Q5) Penicillin G would be classified as ___________________.
Page 19
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Chapter 18: The Chemistry of Useful Materials
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Sample Questions
Q1) The area in which pig iron would be found is indicated by the number ______.
Q2) Solar cells can be
A) built only using layers p-type of transistors.
B) built only using layers n-type of transistors.
C) built using alternate layers of n-type and p-type transistors.
D) rechargeable.
Q3) To produce steel in the blast furnace, what must done to the carbon content in the iron?
A) increased to approximately twice its original value
B) reduced to a smaller value
C) eliminated
D) distributed evenly throughout the iron
Q4) Most of the material in the Earth's crust is composed of a homogenous collection of various compounds.
A)True
B)False
Q5) A p-type semiconductor is labeled with the letter______.
Q6) The product of the cell reaction produced at the position indicated by the number 3 is ______________.
Q7) Germanium could be used as the dopant indicated by the letter ______.
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Chapter 19: Feeding the World
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Sample Questions
Q1) Ammonium nitrate, NH<sub>4</sub>NO<sub>3</sub>,
A) is produced from the reaction of a nitrate with sodium carbonate.
B) is a straight fertilizer.
C) must be washed into the soil with rain or irrigation.
D) is produced by the Haber process.
E) All of these characterize ammonium nitrate.
Q2) A fertilizer is labeled 0-0-12. The "12" represents the percentage of A) potassium
B) nitrogen
C) phosphorus
D) oxygen
E) none of these
Q3) Nitrogenase is found in the leaves and stems of alfalfa, soybeans, and legumes. A)True
B)False
Q4) ______is a broad approach to limiting the use of pesticides.
Q5) The air in soil tends to have more carbon dioxide and less oxygen that the air we breathe.
A)True
B)False
Page 21
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