Chemistry for Liberal Arts Review Questions
Course Introduction
Chemistry for Liberal Arts provides a broad introduction to the fundamental principles of chemistry with an emphasis on real-world applications and societal issues. Designed for non-science majors, this course covers topics such as atomic structure, chemical bonding, the periodic table, and states of matter, while exploring the role of chemistry in topics like health, the environment, and everyday life. Critical thinking and informed decision-making are encouraged through discussions of current events and ethical considerations in science. Through hands-on experiments and collaborative projects, students gain an appreciation for the relevance of chemistry in a modern, interconnected world.
Recommended Textbook Chemistry in Context 7th Edition by American Chemical Society
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12 Chapters
848 Verified Questions
848 Flashcards
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Chapter 1: The Air We Breathe
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76 Verified Questions
76 Flashcards
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Sample Questions
Q1) Based on Table 1.1,which air pollutant is the only one to have increased between 1983 and 2002?
A)sulfur dioxide
B)ozone
C)particulate matter
D)None of these choices is correct.
Answer: D
Q2) The chemical formula for nitrogen monoxide is:
A)N<sub>2</sub>O
B)NO
C)NO<sub>2</sub>
D)N<sub>2</sub>O<sub>3</sub>
Answer: B
Q3) The lowest (or closest to the ground)layer of our atmosphere is the A)troposphere.
B)ozone layer.
C)stratosphere.
D)mesosphere.
Answer: A
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Page 3
Chapter 2: Protecting the Ozone Layer
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) Halons differ from CFCs in that the atoms of ______ replace some ______ atoms.
A)iodine;chlorine
B)hydrogen;chlorine
C)bromine;chlorine
D)silicon;carbon
Answer: C
Q2) Why are HFCs environmentally superior to the currently used HCFCs?
A)HFCs are not flammable.
B)HFCs do not contain chlorine.
C)HFCs are lighter and may be transported more easily.
D)HFCs are less reactive than HCFCs.
Answer: B
Q3) Light behaves like
A)a particle.
B)a wave.
C)both a particle and a wave.
D)neither a particle nor a wave.
Answer: C
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4
Chapter 3: The Chemistry of Global Climate Change
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73 Verified Questions
73 Flashcards
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Sample Questions
Q1) The carbon cycle refers to the A)mechanism by which carbon dioxide causes global warming.
B)frequency of light energy that affects the rotational energy of carbon dioxide.
C)oxidation of glucose to form carbon dioxide and water.
D)movement of carbon through living organisms,the atmosphere,the sea,and the earth. Answer: D
Q2) Which conclusion was considered "very likely" in the 2007 report of the Intergovernmental Panel on Climate Change?
A)Human-caused emissions are the main factor causing warming since 1950.
B)The observed warming of the past 100 years is due solely to climate variability.
C)The Arctic Sea ice thickness decreased approximately 40% during late summer/early fall.
D)Summer droughts have increaseD.
Answer: A
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Chapter 4: Energy From Combustion
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69 Flashcards
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Sample Questions
Q1) Which of the following is not a "clean coal" technology already in use?
A)"Coal washing" to remove sulfur and other mineral impurities from the coal before it is burned.
B)"Gasification" to convert coal to a mixture of carbon monoxide and hydrogen.The resulting gas burns at a lower temperature,thus reducing the generation of nitrogen oxides.
C)"Wet scrubbing" to chemically remove SO<sub>2</sub> before it goes up the smokestack.This is accomplished by reacting the SO<sub>2</sub> with a mixture of ground limestone and water.
D)"Sequestration" to capture and store CO<sub>2</sub> before it is emitted into the atmosphere.
Q2) The heat of combustion of methane,CH<sub>4</sub>,is 50.1 kJ/g.How much heat would be generated if 1.00 mol of methane undergoes complete combustion?
A)0.32 kJ
B)3.12 kJ
C)601 kJ
D)804 kJ
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Page 6
Chapter 5: Water for Life
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74 Verified Questions
74 Flashcards
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Sample Questions
Q1) Which of the following is/are true about Maximum Contaminant Level Goals (MCLGs)?
I.The MCLG for any contaminant that is regulated as a carcinogen is set to zero.
II.An average person weighing 70 kg (154 lb)could drink two liters (about two quarts)of water containing a contaminant at the MCGL level every day for 70 years without suffering any ill effects.
III.The Maximum Contaminant Level (MCL)set by the EPA may be higher than the MCLG to account for the financial and technical barriers that may make achieving these goals difficult.
IV.The MCLG for a contaminant is always set to zero because this is the best way to protect human health.
A)II only
B)I and II only
C)I,II,and III only
D)I,II,III,and IV
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Chapter 6: Neutralizing the Threat of Acid Rain
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Sample Questions
Q1) Which of the following countries is the largest consumer of coal (by total mass)?
A)China
B)United States
C)India
D)Indonesia
Q2) Carbon dioxide is the acid anhydride of which compound?
A)CH<sub>2</sub>O<sub>3</sub>
B)CO
C)CH<sub>2</sub>O
D)CHO<sub>2</sub>
Q3) Iron,an important component of the steel used in the construction of buildings,bridges,and railroads,combines with oxygen to form Fe<sub>2</sub>O<sub>3</sub>,which we recognize as rust.At room temperature,iron
A)combines readily with atmospheric oxygen to form Fe<sub>2</sub>O<sub>3</sub>.
B)requires the presence of a galvanizing agent and oxygen before it can rust.
C)gains valence electrons from atmospheric oxygen,forming Fe<sub>2</sub>O<sub>3</sub>.
D)requires the presence of hydrogen ions and oxygen before it can form Fe<sub>2</sub>O<sub>3</sub>.
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Page 8
Chapter 7: The Fires of Nuclear Fission
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72 Verified Questions
72 Flashcards
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Sample Questions
Q1) Although the nuclear reactors used to produce electricity do not release carbon dioxide,nuclear energy is still responsible for the release of this greenhouse gas.Which activity probably does not contribute largely to the carbon dioxide released by nuclear power generation.
A)mining and production of uranium fuel rods
B)transportation of nuclear fuel and waste
C)construction of the nuclear reactor facility
D)cooling of the secondary coolant by a large reservoir of water
Q2) Most high-level nuclear waste in the United States is currently
A)sealed deep within the Earth.
B)encased in glass and buried near the surface.
C)sealed in deep pools at the sites where it was produced.
D)stored at breeder reactors waiting for reprocessing.
Q3) Which fact is not important when drawing conclusions from C-14 dating?
A)Living organisms exchange carbon with the atmosphere.
B)C-14 has a half-life of 5,730 years.
C)Dead organisms do not exchange carbon with the atmosphere.
D)C-14 emits beta particles.
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Page 9
Chapter 8: Energy From Electron Transfer
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Sample Questions
Q1) What condition must be met for a battery to be rechargeable?
A)Either its anode or its cathode must generate a gas as a result of the electrochemical reaction.
B)It must generate electricity via an acid-base reaction rather than via an oxidation-reduction reaction.
C)The battery must be open to the outside so that it can vent any internal pressure that builds up from gases within it.
D)The electrochemical reaction of the battery must be reversible.
Q2) How do the interactions that are broken in water when it is boiled compare with those broken when water is electrolyzed?
A)Boiling water breaks intermolecular attractions and electrolysis breaks covalent bonds.
B)Boiling water breaks covalent bonds and electrolysis breaks intermolecular attractions.
C)Boiling water and electrolysis of water break covalent bonds.
D)Boiling water and electrolysis of water break intermolecular forces.
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Chapter 9: The World of Polymers and Plastics
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84 Verified Questions
84 Flashcards
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Sample Questions
Q1) Blowing agents are gases,or a compound that releases a gas,that are added to polymers in the manufacture of a foamed plastic.Which statement is not true?
A)At one time,CFC's were used as blowing agents.
B)Gaseous pentane is now often used.
C)The DOW 100% CO<sub>2</sub> technology uses carbon monoxide.
D)The use of pentane is hazardous because it is highly flammable.
Q2) Which synthetic polymer is used to make shatter-resistant bottles and fleece fabric?
A)PET
B)HDPE
C)PVC
D)PS
Q3) Which would be classified as a "synthetic" polymer?
A)cellulose
B)wool
C)rubber
D)nylon
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Chapter 10: Manipulating Molecules and Designing Drugs
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) Which of the following statements is true?
A)Over-the-counter (OTC)drugs are not screened by the FDA.
B)More than 700 OTC products were once only available by prescription.
C)Drug manufacturers are against switching a prescription drug to OTC status.
D)Only NSAIDS can switch to OTC status.
Q2) Which statement is not true?
A)From discovery to approval,the development of a new drug takes,on average,two years and $500,000.
B)The most controversial toxicity testing involves the determination of the lethal dose-50 (LD-50),the minimum dose that kills 50% of the test animals.
C)Clinical testing of drugs on humans cannot begin before the FDA has examined the results of the tests on animals.
D)The primary goal of the FDA is to establish whether a drug is effective and safe before it is sold to the public.
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Chapter 11: Nutrition: Food for Thought
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58 Verified Questions
58 Flashcards
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Sample Questions
Q1) Which equation correctly shows the breakdown of glucose by the body?
A)C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 6 O<sub>2</sub> 6 CO<sub>2</sub> + 6 H<sub>2</sub>O + energy
B)C<sub>12</sub>H<sub>24</sub>O<sub>2</sub> + 17 O<sub>2</sub> 12
CO<sub>2</sub> + 12 H<sub>2</sub>O + energy
C)C<sub>12</sub>H<sub>22</sub>O<sub>11</sub> + 12 O<sub>2</sub> 12 CO<sub>2</sub> + 11 H<sub>2</sub>O + energy
D)6 CO<sub>2</sub> + 6 H<sub>2</sub>O
C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 6 O<sub>2</sub> + energy
Q2) BHA and BHT are examples of antioxidants.They are added it to foods to
A)prevent packaged,processed foods from becoming rancid.
B)prevent mold from growing on food.
C)enhance the flavor of food.
D)increase the shelf life of processed foods.
Q3) Which statement below is correct?
A)Oils always have low percentages of saturated fat.
B)Lard has more saturated fat than butter.
C)All dietary fats have some percentage of saturated fats.
D)Butter has the smallest amount of polyunsaturated fat.
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Page 13
Chapter 12: Genetic Engineering and the Molecules of Life
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59 Flashcards
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Sample Questions
Q1) Sickle cell anemia
I.is caused by mutation in the human gene that codes for a protein expressed in the red blood cells.
II.is a genetic disease,inheritable from one's parents.
III.can cause red blood cells to become sickle shaped.
IV.can clog organs,reducing their blood supplies.
A)I and II only
B)I and III only
C)I,II,and III only
D)I,II,III,and IV
Q2) Protein enzymes act as A)active sites.
B)catalysts.
C)substrates.
D)cells.
Q3) Deoxyribose is the ______ in DNA.
A)ribonucleotide
B)deoxyribonucleotide
C)sugar
D)phosphate
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