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Test Bank For Chemistry in Context, 8th Edition - Document preview page 1

Test Bank For Chemistry in Context, 8th Edition - Page 1

Document preview content for Test Bank For Chemistry in Context, 8th Edition

Test Bank For Chemistry in Context, 8th Edition

Prepare for your exam efficiently with Test Bank For Chemistry in Context, 8th Edition, featuring a range of test questions and solutions.

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Test Bank For Chemistry in Context, 8th Edition - Page 1 preview imageChapter 01-The Air We Breathe (Testbank)Multiple Choice Questions1.Of five major gaseous components of air, which is the only one to vary significantly inconcentration from place to place and from day to day?A.water vaporB.carbon dioxideC.nitrogenD.argon2.Which two gases make up more than 95% of an inhaled breath?A.NO2and N2B.CO2and O2C.O2and N2D.N2and Ar3.What is the primary component of an exhaled breath?A.N2B.O2C.CO2D.H2O4.Whichcomponent of the air makes up approximately 100 times more of an exhaled breath than ofan inhaled breath?A.ArB.O2C.O3D.CO2
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Test Bank For Chemistry in Context, 8th Edition - Page 2 preview image
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Test Bank For Chemistry in Context, 8th Edition - Page 3 preview image5.The ________ concentration in the air over the desert differs dramatically from that in the air inthe tropical rainforest.A.N2B.O2C.CO2D.H2O6.Which component of the air is an element?A.H2OB.NO2C.O2D.CO27.Air is a(n)A.element.B.compound.C.mixture.D.pure substance.8.Which substance isnotconsidered to be an air pollutant?A.N2B.SO2C.NO2D.O39.Ozone is considered an air pollutant in the ________ but is a valuable protective layer in the__________.A.troposphere; stratosphereB.stratosphere; mesosphereC.stratosphere; troposphereD.mesosphere; stratosphere
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Test Bank For Chemistry in Context, 8th Edition - Page 4 preview image10.A particular sample of air is 2.5% water vapor. Express the concentration of water vapor in partsper million (ppm).A.0.0000025 ppmB.0.025 ppmC.250 ppmD.25000 ppm11.The EPA limit for CO is 9 ppm. Express this number as a percentage.A.90%B.9%C.0.09%D.0.0009%12.The quantity 0.0000064 g expressed in scientific notation is:A.6.4 × 106gB.6.4 × 10¯6gC.6.4 × 107gD.6.4 × 10¯7g13.The quantity 8.7 × 105g expressed in standard decimal notation is:A.0.000087 gB.870.000 gC.0.0000087 gD.870,000 g14.Which pollutant is present in air as particulate matter?A.sootB.ozoneC.sulfur dioxideD.carbon monoxide
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Test Bank For Chemistry in Context, 8th Edition - Page 5 preview image15.What two factors are considered when determining the risk assessment for air pollutants?A.exposure and ppmB.percentage and ppmC.toxicity and percentageD.toxicity and exposure16.When assessing the risk of an airpollutant, which does not play a role in considering someone'sexposure to the pollutant?A.a person's lung capacityB.a person's breathing rateC.the toxicity of the pollutantD.the concentration in air of the pollutant17.Theburning of coal produces sulfur dioxide, SO2, a pollutant that slowly reacts in air to form SO3.Sulfur trioxide dissolves into airborne water droplets to form a very corrosive solution of sulfuricacid. Which is a product of burning coal that hastens the transformation of sulfur dioxide intosulfur trioxide?A.carbon dioxideB.carbon monoxideC.nitrogen dioxideD.particles of ash18.All of these pollutants can be detected by their odors except:A.COB.O3C.SOxD.NOx
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Test Bank For Chemistry in Context, 8th Edition - Page 6 preview image19.Which pollutant are you more likely to encounter in dangerous concentrations indoors rather thanoutdoors?A.nitrogen dioxideB.carbon monoxideC.ozoneD.sulfur dioxide20.In general, which airborne material is not likely to be affected by the filters or indoor air handlingequipment?A.particulatesB.pollenC.sootD.carbon monoxide21.Which color, as used in the Air Quality Index, warns that the level of a pollutant is hazardous, themost dangerous level?A.orangeB.greenC.yellowD.maroon22.A substance that can be broken down into two or more simpler substances by chemical methodsis called a(n)A.compound.B.mixture.C.element.D.isotope.23.On a Periodic Table, the columns of elements with similar properties areA.periods.B.groups.C.rows.D.metals.
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Test Bank For Chemistry in Context, 8th Edition - Page 7 preview image24.The most numerous of the elements are theA.metals.B.non metals.C.metalloids.D.noble gases.25.Which isnota mixture?A.a jar filled with rocks and sandB.sea waterC.a glass of Kool-AidD.sodium chloride26.Which isnota pure substance?A.heliumB.copper wireC.airD.sucrose27.Which squares contain mixtures?A.II and III onlyB.III and IV onlyC.I, III, and IV onlyD.I and IV only
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Test Bank For Chemistry in Context, 8th Edition - Page 8 preview image28.Which square(s) contain(s) only an element?A.I onlyB.II onlyC.I and II onlyD.III and IV only29.Which symbols represent only elements that are metals?A.X and ZB.X and QC.P and LD.X, R, P, and Q30.Which symbol(s) represent(s) elements in the noble gas family?A.X and ZB.P and LC.QD.Y
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Test Bank For Chemistry in Context, 8th Edition - Page 9 preview image31.Which differentiates a compound from a mixture of two or more elements?A.The elements in a compound may be present in varying proportions.B.A compound does not exhibit the individual properties of the elements of which it is composed.C.A compound is made up of only one element.D.A compound cannot be made up of more than two elements.32.Which substance is an element?A.NO2B.NaClC.N2D.CH433.A(n) __________ is a fixed number of atoms held together by chemical bonds in a certain spatialarrangement.A.elementB.ionC.moleculeD.mixture34.Which diagram(s) best represent(s) only diatomic molecules?A.I onlyB.II onlyC.I and II onlyD.II and IV only
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Test Bank For Chemistry in Context, 8th Edition - Page 10 preview image35.Which diagram(s) best represent(s) only molecules?A.I onlyB.II onlyC.III onlyD.I and II onlyE.IV only36.Which diagram(s) bestrepresent(s) only individual atoms?A.I onlyB.II onlyC.III onlyD.IV onlyE.II and III only37.Except in the case of hydrocarbons, when naming virtually all compounds made up of twoelements, the second element mentionedA.ends in "ide."B.is preceded by "mono" (or occasionally "mon").C.is always the more metallic element.D.is the one present in the greater number of atoms.38.Based on its name, which carbon compound contains the fewest carbon atoms?A.ethanolB.methaneC.chlorobutaneD.propyl alcohol
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Test Bank For Chemistry in Context, 8th Edition - Page 11 preview image39.P2O5is the chemical formula forA.pentoxygen diphosphide.B.diphosphorus pentoxide.C.dioxygen pentaphosphide.D.monophosphorus pentoxide.40.The name of the compound formed by combining carbonatomswith oxygen atomstoformisA.carbon oxide.B.monocarbon dioxide.C.carbon dioxide.D.carbonate.41.During a chemical reaction,A.atoms are rearranged.B.some atoms are destroyed and new ones are formed.C.some elements are destroyed and new ones are formed.D.the law of conservation of matter and mass may be briefly violated.42.Choose the proper coefficients for each substance tobalance this equation.____ C2H4(g)+ ____ O2(g)→ ____ CO2(g)+ ____ H2O(g)A.1, 1, 2, 2B.1, 3, 2, 2C.2, 3, 4, 2D.2, 2, 4, 243.Choose the proper coefficients for each substance to yield a balanced equation.A.1, 1, 1B.2, 1, 1C.2, 1, 2D.1, 1, 2
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Test Bank For Chemistry in Context, 8th Edition - Page 12 preview image44.Which is the balanced chemical equation showing hydrogen peroxide (H2O2) decomposing intohydrogen (H2) and oxygen (O2)?A.H2O2→ H2+ O2B.H2+ O2→ H2O2C.2 H2+ O2→ 2 H2O2D.2 H2O2→ 2 H2+ O245.Which is the balanced chemical equation for the reaction of nitrogen (N2) with oxygen (O2) to formNO?A.2 NO → N2+ O2B.N2+ O2→ NOC.N2+ O2→ 2 NOD.NO → N2+ O246.Whichshows the balanced equation for the reaction of nitrogen (), as it is normally found inour atmosphere, with oxygen (), as it is normally found in our atmosphere, to form nitrogendioxide?A.B.C.D.47.The two main products of the combustion of gasoline in an automobile engine areA.oxygen and carbon monoxide.B.sulfur oxides and nitrogen oxides.C.sulfur oxides and hydrogen.D.water and carbon dioxide.
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Test Bank For Chemistry in Context, 8th Edition - Page 13 preview image48.Green chemistry isA.the study of how to improve the production of oxygen via photosynthesis.B.any chemistry having an agricultural base.C.the cause of the higher temperatures and humidity typically found in greenhouses.D.the design of products and processes that reduce hazardous substances.49.Catalytic converters reduce the amount of ________ in car exhaust.A.O3B.CO2C.COD.N250.Ozone is a secondary pollutant. A secondary pollutant isA.not as hazardous as a primary pollutant.B.not produced directly but as the product of the interaction of two or more pollutants.C.one that is naturally present in our atmosphere.D.one that is less hazardous than a primary pollutant.51.There are approximately 2 × 1022molecules and atoms in each breath we take and theconcentration of CO in the air is approximately 9 parts per million. Approximately how many COmolecules are in each breath we take?3-11-2013A.2 × 1015B.1.8 × 1017C.2 × 1016D.2 ×1029
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Test Bank For Chemistry in Context, 8th Edition - Page 14 preview image52.Which of the following would bedescribed as"fine particles"?A.SOxB.NOxC.O3D.2.5 μm diameter soot53.Which if the following is the chemical symbol for silver?A.AuB.PbC.AgD.Fe54.Which of the following is a pure substance?A.LemonadeB.ConcreteC.GasolineD.Silver wire55.The lowest (or closest to the ground) layer of our atmosphere is theA.troposphere.B.ozone layer.C.stratosphere.D.mesosphere.56.Which is the followingincorrectlyrepresents a combustion reaction?A.CH4+ 2O2→ CO2+ 2 H2OB.S8+ 8 O2→ 8 SO2C.N2+ 2O2→ 2 NO2D.C3H8+O2→ 3 CO2
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Test Bank For Chemistry in Context, 8th Edition - Page 15 preview image57.Balance this equation P4+ Cl2→ PCl5with the smallest whole number coefficients. Choose theanswer that is the sum of the coefficients.Do not forget coefficients of"one".A.7B.9C.11D.13E.15Check All ThatApply Questions58.Which of the following are examples of technological advances that have reduced air pollution?____Paint with reduced VOCs____Catalytic converters____Burning gasoline in leaf blowers____Low sulfur Diesel fuelsMultiple Choice Questions59.If 500 mL of air contains 2 x 1022particles (atoms and molecules), how many particles do youinhale in one day if you breathe 15000 L of air?A.2 x 1022B.6 x 1026C.1.2 x 1027D.5 x 1024
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Test Bank For Chemistry in Context, 8th Edition - Page 16 preview image60.If we assume that the top of Mt. Everest is the highest land mass on earth, hikers who scale itssummit are standing in theA.mesosphere.B.stratosphere.C.troposphere.D.ozone layer.61.Which square(s) contain(s) only one ormore compounds?A.I onlyB.II onlyC.I and IV onlyD.II and III only62.The chemical formula for nitrogen monoxide is:A.N2OB.NOC.NO2D.N2O363.Which correctly pairs an indoor pollutant with its source?A.formaldehyde and unvented space heatersB.O3and electrical arcingC.radon and glues and solventsD.nicotine and paint and paint thinners
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Chemistry In Context by American Ch...

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