Liberal Arts Chemistry
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Course Introduction
Liberal Arts Chemistry is an introductory course designed to provide non-science majors with a foundational understanding of chemical principles and their relevance to everyday life. The course explores key concepts such as atomic structure, chemical bonding, reactions, and energy, emphasizing real-world applications in topics like environmental issues, health, and technology. Through a blend of lectures, discussions, and hands-on experiments, students develop critical thinking and scientific literacy, gaining the tools to make informed decisions about issues involving chemistry in society.
Recommended Textbook Chemistry in Context 9th Edition by Kim Amer
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14 Chapters
630 Verified Questions
630 Flashcards
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Chapter 1: Portable Electronics: the Periodic Table in the
Palm of Your Hand
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Sample Questions
Q1) A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)
A)compound.
B)mixture.
C)element.
D)isotope.
Answer: A
Q2) Which one of the following compounds is considered to be a molecular compound?
A)PCl<sub>3</sub>
B)NaBr
C)Al2O<sub>3</sub>
D)Mg<sub>3</sub>P<sub>2</sub>
Answer: A
Q3) What is the answer to the following mathematical operation? 1.42 + 9.4 x 2.854
A)30.8
B)30.82
C)30.88028
D)31
Answer: A
Page 3
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Chapter 2: The Air We Breathe
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Sample Questions
Q1) The burning of coal produces sulfur dioxide,SO<sub>2</sub>,a pollutant that slowly reacts in air to form SO<sub>3</sub>.Sulfur trioxide dissolves into airborne water droplets to form a very corrosive solution of sulfuric acid.Which is a product of burning coal that hastens the transformation of sulfur dioxide into sulfur trioxide?
A)Carbon dioxide
B)Carbon monoxide
C)Nitrogen dioxide
D)Particles of ash
Answer: D
Q2) Which chemical components are given off in car exhaust?
A)CO<sub>2</sub>
B)H<sub>2</sub>O
C)NO<sub>x</sub>
D)All of these choices are correct
Answer: D
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4
Chapter 3: Radiation From the Sun
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Sample Questions
Q1) Wavelength is the
A)number of waves passing a fixed point in one second.
B)height of the wave.
C)distance between successive peaks in a wave.
D)distance between a peak of one wave and the next trough.
Answer: C
Q2) Which statement is correct?
A)UV-A is the most energetic of the three forms of UV light
B)UV-B is the most energetic of the three forms of UV light
C)UV-C is the most energetic of the three forms of UV light
D)UV-A,UV-B,and UV-C are equally energetic
Answer: C
Q3) What is special about the South Pole versus the North Pole that leads to ozone depletion only at the south Pole?
A)Ozone molecules are broken up by magnetic forces at the South Pole
B)The atmosphere is colder at the North Pole than at the South Pole
C)Polar stratospheric clouds form almost exclusively at the South Pole
D)There is more land mass at the South Pole than at the North Pole
Answer: C
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Page 5
Chapter 4: Climate Change
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Sample Questions
Q1) Which of the following are ways that aerosols may affect climate?
A)Scattering incoming radiation
B)Nucleation of clouds
C)Absorbing incoming radiation
D)All of these choices are correct
Q2) What international agreement attempted to reduce greenhouse gas emissions?
A)Kyoto Protocol
B)Montreal Protocol
C)Oslo Accords
D)Nuremburg Treaty
Q3) Which of the following has the lowest albedo?
A)Ocean
B)Fresh snow
C)Old snow
D)Desert sand
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Chapter 5: Energy From Combustion
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Sample Questions
Q1) The following molecules contain only single bonds. NH<sub>3</sub>(g) + 3F<sub>2</sub>(g) \(\rarr\) NF<sub>3</sub>(g) + 3 HF(g)The bond energies are: N - H 391 kJ/mol;F - F 158 kJ/mol;N - F 272 kJ/mol;H - F 566 kJ/mol.Which is the heat evolved or absorbed per mole of NH<sub>3</sub> that reacts with F<sub>2</sub>?
A)+289 kJ/mol
B)+867 kJ/mol
C)-289kJ/mol
D)-867 kJ/mol
Q2) A calorie is defined as exactly 4.184 J.Therefore 1.000 Cal is exactly
A)41.84 J.
B)418.4 J.
C)1000 J.
D)4184 J.
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Chapter 6: Energy From Alternative Sources
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Q1) Which naturally occurring radioactive particles are negatively charged?
A)Alpha particles
B)Beta particles
C)Gamma radiation
D)Neutrons
Q2) Which of these locations would be most likely to use electricity generated by hydroelectric power?
A)Kentucky
B)Russia
C)Venezuela
D)Washington
Q3) How is wind energy related to the Sun?
A)It has no relation
B)Wind turbines need solar panels to operate correctly
C)The heat of the Sun drives large-scale movements of air
D)Wind turbines only operate during daylight hours
Q4) All zero greenhouse gas emission fuel sources are also renewable.
A)True
B)False
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Chapter 7: Energy Storage
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Q1) Which of the following automotive energy storage devices would give rise to the fastest acceleration from zero to 60 mph?
A)Li-ion rechargeable batteries
B)Fuel cells
C)NiMH rechargeable batteries
D)Supercapacitors
Q2) Batteries are still preferred over supercapacitors for portable electronic applications.What factor(s) give rise to this preference?
A)Supercapacitors have low energy densities
B)Supercapacitors are charged much more quickly than batteries
C)Supercapacitors have virtually unlimited cycle lives
D)All of these choices are correct
Q3) For the compound Fe<sub>3</sub>O<sub>4</sub>,what is the oxidation state of Fe?
A)2+
B)3+
C)4+
D)Mixture between 2+ and 3+
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Chapter 8: Water Everywhere: A Most Precious Resource
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Q1) Lakes surrounded by ________ have very little acid-neutralizing capacity. I.marble
II)granite
III)limestone
A)I only
B)II only
C)I and III only
D)II and III only
Q2) Which correctly describes groundwater?
A)Any fresh water found above ground in lakes and rivers;usually needs treatment to remove harmful contaminants
B)Any water found above ground in lakes and rivers;usually free of harmful contaminants
C)Any water taken from aquifers
D)None of these choices are correct
Q3) Which compound is insoluble in water?
A)Sodium carbonate
B)Potassium nitrate
C)Ammonium chloride
D)Calcium carbonate
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Page 10
Chapter 9: The World of Polymers and Plastics
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Q1) A polymer is a large molecule
A)made up of long chains of atoms held together by hydrogen bonds.
B)made up of long chains of atoms covalently bonded together.
C)made up of a large lattice structure held together by ionic bonds.
D)always made up of identical monomer units.
Q2) One of the monomers used to make nylon is 1,6-diaminohexane (also known as hexamethylene diamine).How many amine ( - NH<sub>2</sub>) groups does it have?
A)None
B)1
C)2
D)6
Q3) Which of these polymers is made by the process of condensation polymerization?
A)Polyethylene
B)Polystyrene
C)Polyvinyl chloride
D)Polyethylene terephthalate
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11
Chapter 10: Brewing and Chewing
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Sample Questions
Q1) Why is water a good solvent for cooking?
A)It is readily available
B)It has the ability to absorb significant amounts of heat before changing phase
C)It has a high boiling point
D)It is necessary for human life
Q2) Cold brew coffee takes longer than hot brew coffee.Which physical property of coffee is responsible for this difference in time?
A)Density
B)Solubility
C)Boiling point
D)Melting point
Q3) What is specific gravity?
A)The ratio of the density of a solution to the density of pure water
B)The ratio of the weight of a solute to the volume of pure water
C)The ratio of the viscosity of a solvent to the melting point of a solute
D)The ratio of the freezing point of a solution to the freezing point of a solute
Q4) Hydrophobic molecules can be used to create a permanent emulsion.
A)True
B)False
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Chapter 11: Nutrition
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Q1) All of the energy we need to run our bodies comes from the food we eat.Which statement is false concerning this energy consumption?
A)Metabolism reverses the process of photosynthesis and produces energy from glucose
B)More oxygen is required to burn one gram of a fatty acid than to burn one gram of glucose
C)Proteins are not used by the body to provide energy
D)The body converts glucose into carbon dioxide and water in one fast reaction
Q2) What is the difference between a fat and an oil?
A)A fat is a triglyceride,an oil is a monoglyceride
B)A fat is solid,while an oil is liquid at room temperature
C)A fat is a lipid,an oil is not
D)A fat is made from fatty acids,an oil is made from oily acids
Q3) If a body needs approximately 1 Cal/kg of body weight per hour,about how many calories would a 75-kg (165 pounds) man need per day?
A)1650 Cal/day
B)1800 Cal/day
C)3900 Cal/day
D)7500 Cal/day
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Page 13
Chapter 12: Health Medicine
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Q1) Which of the following is not a correct pair a biological macromolecule class with one of its functions?
A)Nucleic acids;information transfer
B)Lipids;protection
C)Proteins;cellular structure
D)Polysaccharides;catalysis
Q2) Glycolysis I.is stage one of cellular respiration.
II)converts glucose to smaller high energy compounds.
III)requires oxygen to operate.
IV)is utilized by muscles for immediate energy.
A)I and III
B)II,III,and IV
C)I,II,and IV
D)I,II,III,and IV
Q3) Enzymes are
A)biochemical catalysts that influence the rate of chemical reactions.
B)compounds used to relieve inflammation in muscles and joints.
C)proteins that produce fever and swelling.
D)special hormones that influence the rate of chemical reactions.
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Page 14
Chapter 13: Genes and Life
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Sample Questions
Q1) The DNA materials contained in a(n) _________codes for the production of a protein.
A)nucleotide
B)enzyme
C)codon
D)gene
Q2) The level of protein structure that involves interactions among amino acid side chains is
A)primary.
B)secondary.
C)tertiary.
D)double helix.
Q3) Human insulin protein I.is helpful in the treatment of diabetes in humans. II)controls the levels of glucose in the blood. III)can be produced in the bacterium,
A)I and II only
B)II and III only
C)I and III only
D)I,II,and III
E)coli
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Chapter 14: Who Killed Drthompson a Forensic Mystery
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Q1) A victim's body was found at a crime scene with a body temperature of 90<sup>o</sup>F,at an outside temperature of 65<sup>o</sup>F.The time of death is likely
A)within the past hour.
B)between 1-2 hrs prior.
C)between 2-3 hrs prior.
D)longer than 3 hrs prior.
Q2) A latent fingerprint is made from the depositing of oils and/or sweat.It is invisible to the naked eye.
A)True
B)False
Q3) The first police officer to arrive at a crime scene is called the A)primary officer.
B)first responder.
C)inspector.
D)emergency technician.
Q4) It is impossible to detect,remove,and analyze fingerprints from the surface of a victim's skin.
A)True
B)False
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