General Chemistry Exam Bank
Course Introduction
General Chemistry provides a foundational understanding of the principles and concepts of chemistry, including atomic and molecular structure, chemical bonding, stoichiometry, states of matter, thermodynamics, chemical equilibrium, acids and bases, and introductory kinetics. Emphasis is placed on the development of quantitative problem-solving skills and the application of theoretical concepts to practical laboratory experiences. The course prepares students for advanced study in chemistry and related scientific fields by fostering critical thinking and a systematic approach to scientific inquiry.
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) 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
Q2) A compound and a mixture differ in that only the mixture
A)is made up of more than one element.
B)may be made up of components that may be molecules.
C)is of fixed composition.
D)exhibits the properties of its individual components.
Answer: D
Q3) A(n)__________ is a fixed number of atoms held together by chemical bonds in a certain spatial arrangement.
A)element
B)ion
C)molecule
D)mixture
Answer: C
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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) The wavelength of light in the X-ray region of the electromagnetic spectrum is A)smaller than a virus.
B)intermediate between the size of a bacterial cell and a virus.
C)about the size of a bacterial cell.
D)larger than either a bacterial cell or a virus.
Answer: A
Q2) During the Antarctic spring,ozone is destroyed at a greater rate than it is formed
A)on the surface of atmospheric ice crystals.
B)in a process that is catalytic.
C)in polar stratospheric clouds.
D)All of these choices are correct.
Answer: D
Q3) When only one pair of shared electrons is involved in a covalent bond,the linkage is called a ______ bond.
A)triple
B)single
C)double
D)resonant
Answer: B
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Page 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) Although coal is a complex mixture of substances,its elemental composition can be approximated by the formula C<sub>135</sub>H<sub>96</sub>O<sub>9</sub>NS.Using this chemical formula,calculate the percentage,by mass,of carbon (C)in coal.
A)85%
B)67%
C)56%
D)20%
Answer: A
Q2) The greenhouse and enhanced greenhouse effects refer to the return of approximately ___ percent and greater than ___ percent of the heat radiated by Earth.
A)40;40
B)50;50
C)60;60
D)80;80
Answer: D
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Chapter 4: Energy From Combustion
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) The measure of how much energy is dispersed in a given process is called the A)entropy.
B)activation energy.
C)heat of combustion.
D)potential energy.
Q2) A gasoline's octane rating is determined by
A)comparing its burning properties to those of pure isooctane,which has an octane rating of 100.
B)comparing its burning properties to those of natural gas,which produces far fewer pollutants than gasoline normally does.
C)comparing the deposits left on the engine cylinders by burning gasoline to the deposits left by burning diesel fuel.
D)comparing the acceleration of a vehicle when burning gasoline to its acceleration when burning pure ethanol.
Q3) During petroleum refining,catalysts play an extremely important role during the A)cracking and reforming processes.
B)environmental cleanup of oil wells.
C)extraction of the oil from the earth.
D)physical separation of the various components of the petroleum.
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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 these is not a trihalomethane?
A)CHCl<sub>3</sub>
B)CH<sub>3</sub>Cl
C)CHF<sub>3</sub>
D)CHBr<sub>2</sub>Cl
Q2) Which statement is not true?
A)In forming a solution,the solute dissolves other substances that are called solvents.
B)Water is the solvent in an aqueous solution.
C)Pure water does not conduct electricity.
D)Electrolytes dissolved in water produce a solution that can conduct electricity.
Q3) Which type of water may be considered pure?
A)bottled water
B)filtered water
C)distilled water
D)chlorinated water
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Chapter 6: Neutralizing the Threat of Acid Rain
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68 Flashcards
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Sample Questions
Q1) A proton released by an acid in aqueous solution quickly reacts with water to form a hydronium ion.What product is formed when a proton reacts with ammonia (NH<sub>3</sub>)?
A)NH<sub>3</sub><sup>+</sup>
B)NH<sub>4</sub>
C)NH<sub>2</sub>¯
D)NH<sub>4</sub><sup>+</sup>
Q2) What is the current expert consensus concerning the role of acid rain on the health of forests?
A)Acid rain is indisputably responsible for the declining health of many forests.
B)Acid rain is not responsible for any of the decline observed in many forests.
C)Acid rain weakens trees and the surrounding soil,leaving them susceptible to disease and insects.
D)There is not sufficient evidence that acid rain has caused an appreciable decline in the health of any forests.
Q3) The ocean has an acidic pH due to carbon dioxide emissions.
A)True
B)False
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Chapter 7: The Fires of Nuclear Fission
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72 Verified Questions
72 Flashcards
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Sample Questions
Q1) Smokestacks at these plants release sulfur oxides and carbon dioxide into the air:
A)coal-burning plants.
B)nuclear plants.
C)both coal-burning and nuclear plants.
D)neither coal-burning nor nuclear plants.
Q2) Waste created at these power plants must be stored indefinitely:
A)coal-burning plants.
B)nuclear plants.
C)both coal-burning and nuclear plants.
D)neither coal-burning nor nuclear plants.
Q3) Which naturally occurring radioactive particles are negatively charged?
A)alpha particles
B)beta particles
C)gamma radiation
D)neutrons
Q4) Is nuclear power generation associated with producing greenhouse gases?
A)No,it is greenhouse gas emissions free.
B)Yes,but not from the power plants,only from obtaining fuel.
C)Yes,they produce as much or more greenhouse gas as a coal plant.
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Chapter 8: Energy From Electron Transfer
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) Which type of battery is widely used to store the excess energy generated by windmill farms and solar panels?
A)alkaline
B)lithium ion
C)lead acid
D)nickel-metal hydride
Q2) Compare commercial electrical power plants,batteries,and solar cells in terms of their efficiencies in producing electrical energy.Rank them from least efficient to most efficient.
A)solar cells,batteries,electrical power plants
B)electrical power plants,solar cells,batteries
C)batteries,solar cells,electrical power plants
D)solar cells,electrical power plants,batteries
Q3) A candle may be considered a more efficient producer of light than a flashlight because it
A)converts chemical energy directly into light.
B)produces more heat than a flashlight.
C)does not have a battery to recharge or replace.
D)may be used in remote locations far from electrical networks or power lines.
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Page 10
Chapter 9: The World of Polymers and Plastics
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84 Flashcards
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Sample Questions
Q1) The molecules that are added to polymers to make them softer and more pliable are known as
A)monomers.
B)plasticizers.
C)pigments.
D)rubber.
Q2) For recycling to be successful and self-sustaining which factors are important?
I.Plastics must be collected and sorted.
II.Recycled plastics must be made into products that consumers will buy.
III.Cities and towns have to impose fines for people who fail to recycle.
A)I only
B)II and III only
C)II only
D)I and II
Q3) Which would be classified as a "natural" polymer?
A)cellulose
B)polystyrene
C)polyester
D)nylon
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Page 11
Chapter 10: Manipulating Molecules and Designing Drugs
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) What herb is used to treat depression?
A)chamomile
B)ginko biloba
C)lemon balm
D)St.John's wort
Q2) Which statement is not true?
A)Herbal remedies and folk medicines abound in most cultures.
B)Most compounds found in plants are likely to have positive physiological effects in humans.
C)A preparation of St.John's wort is believed to be an effective treatment of depression.
D)A major problem with herbal preparations is that no regulatory group controls the purity of the preparations and the concentrations of the active ingredients.
Q3) To what chemical receptor do the opiate drugs bind?
A)alpha
B)delta
C)mu
D)omega
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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) All nine essential amino acids can be found in meat.By employing the nutritional principle of complementarity,a vegetarian gets all nine.What is complementarity?
A)combining foods that complement each other's essential amino acids
B)taking essential amino acid supplements to complement the diet
C)complementing a vegetable with a fruit at every meal
D)having milk to complement every meal
Q2) The basal metabolism rate (BMR)is
A)the minimum amount of energy required daily for your body to function.
B)the same value for all people within an age group.
C)dependent on a person's daily caloric intake.
D)usually higher for women because they weigh less than men.
Q3) Which statements about dietary fat intake are true?
I.Eating trans fat increases the risk of heart disease substantially.
II.Eating saturated fat increases the risk of heart disease slightly.
III.Eating unsaturated fats decreases the risk of heart disease.
A)I and II only
B)II and III only
C)I and III only
D)I,II,and III
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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) The task of the Human Genome Project was to A)map all of the genes in the human organism.
B)determine only the expressed protein sequences in the human organism.
C)determine only the expressed RNA sequences in the human organism.
D)determine the expressed DNA sequences in the human organism.
Q2) If the thymine (T)content of DNA is 29%,what is the content of guanine (G)?
A)21%
B)29%
C)58%
D)71%
Q3) Protein enzymes act as
A)active sites.
B)catalysts.
C)substrates.
D)cells.
Q4) Plasmids are
A)linear pieces of DNA.
B)linear pieces of RNA.
C)circular pieces of DNA.
D)circular pieces of RNA.
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