Test Bank For Introduction To General, Organic And Biochemistry, 10th Edition

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CHAPTER 1—MATTER, ENERGY, AND MEASUREMENTMULTIPLE CHOICE1.Which of the following is an example of matter?a.the light of a flamec.the air you breatheb.the sound of thunderd.None of these is matter.ANS:CPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?2.Which of the following is not an example of matter?a.the air in your lungsb.the blood in your arteriesc.the sunlight coming through the windowd.None, all of these are matter.ANS:CPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?3.Which of the following is a chemical property of water?a.Ice floats.c.Water reacts violently with sodium.b.Water boils at 100°C.d.All of these are chemical properties.ANS:CPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?4.Which of the following is a chemical property of gold?a.characteristic colorb.electrical conductivityc.lack of reactivityd.None, they are all physical properties.ANS:CPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?5.Which of the following is not a physical property of gold?a.characteristic colorb.densityc.electrical conductivityd.None, they are all physical properties.ANS:DPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?6.Which of the following is not a chemical change?a.rusting of a car bodyb.ripening of fruitc.souring of milkd.None, all of these are chemical changes.ANS:DPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?

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7.Which of the following represents a physical change?a.stretching a silver wirec.both a and bb.tarnishing of silverd.neither a nor bANS:APTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?8.Which of the following represents a physical change?a.boiling waterc.both a and bb.decomposition of a dead organismd.neither a nor bANS:APTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?9.Which of the following represents a physical change?a.burning of fuel oilc.both a and bb.melting of iced.neither a nor bANS:BPTS:1TOP:1.1-WHY DO WE CALL CHEMISTRY THE STUDY OF MATTER?10.Which of the following is synonymous with “fact”?a.a hypothesisb.an observation which is reproduciblec.an observation which is not reproducibled.none of theseANS:BPTS:1TOP:1.2-WHAT IS THE SCIENTIFIC METHOD?11.Which of the following is true of a hypothesis?a.It is a tentative idea or explanation which can be disproved by an experiment.b.It is a tentative idea or explanation which can be proven by an experiment.c.It is a tentative idea which can either be proven or disproved by an experiment.d.It is a belief which is asserted without proof.ANS:APTS:1TOP:1.2-WHAT IS THE SCIENTIFIC METHOD?12.Which of the following best describes a scientific theory?a.It is just one of many ways of looking at things.b.It is a point of view which cannot be challenged.c.It is a widely accepted explanation of some phenomena supported by a large amount ofexperimental data and is therefore definitely correct.d.It is a widely accepted explanation of some phenomena supported by a large amount ofexperimental data, but it can be shown to be incorrect by a single experiment which yieldsresults which contradict it.ANS:DPTS:1TOP:1.2-WHAT IS THE SCIENTIFIC METHOD?13.The quotation, “Chance favors the prepared mind,” is attributed to the great French scientist LouisPasteur.This most closely means which of the following?a.A careful experimenter will obtain reliable results.b.A careful experimenter will sometimes make an unexpected but significant observation.c.Intense study is required to obtain good examination grades.d.Nothing can be accomplished without appropriate preparation.ANS:BPTS:1TOP:1.2-WHAT IS THE SCIENTIFIC METHOD?

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14.The area of Africa is approximately 11.7 million square miles.Which of the following is the correctway to express this number in scientific notation?a.1.17105c.1.17107b.1.17106d.none of theseANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?15.During its orbit the earth’s maximum distance from the sun is approximately 152 million kilometers.Which of the following is the correct way to express this number in scientific notation?a.1.52105c.1.52107b.1.52106d.1.52108ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?16.In one second light travels 2.998108meters.Which of the following is the correct way to write thisin conventional notation?a.0.00000002998 m/sc.299,800,000 m/sb.2,998,000 m/sd.none of theseANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?17.The population of the earth at the end of 2008 was approximately 6.7109people.Which of thefollowing is correct way to represent this number?a.6,700,000,000 peoplec.67,000,000,000,000 peopleb.67,000,000,000 peopled.none of theseANS:APTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?18.The land surface area of the earth is approximately 1.49108km2.Which of the following is thecorrect way to write this in conventional notation?a.0.00000000149 km2c.14,900,000,000 km2b.149,000,000 km2d.none of theseANS:BPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?19.Sometimes the same word can have different meanings. In the United States the word billion means “athousand million” but in Britain the word billion means “a million million.” Which of the followingcorresponds to the “British Billion”?a.110–9c.1109b.110–6d.11012ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?20.Nanoparticles which have a length of approximately 110-9meters.Which of the following is thecorrect way to write this in conventional notation?a.0.0000000001 mc.10,000,000 mb.0.000000001 md.1,000,000,000 m

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ANS:BPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?21.Which of the following is the largest number?a.210–1c.3104b.5103d.710–6ANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?22.Which of the following is the smallest number?a.5103c.210–5b.3104d.710–6ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?23.Given the calculation: 4.238 + 12.72 + 9.1 = ?What is the answer reported to the correct number ofsignificant figures?a.26.058c.26.0b.26.06d.26.1ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?24.Given the calculation: 4.877 + 12.87 + 9.19 = ?What is the answer reported to the correct number ofsignificant figures?a.26.937c.26.94b.26.93d.26.9ANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?25.Given the calculation: 4.238 + 12.72-9.1 = ?What is the answer reported to the correct number ofsignificant figures?a.7.858c.7.8b.7.86d.7.9ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?26.Given the calculation: 17.72–4.232–9.1 = ?What is the answer reported to the correct number ofsignificant figures?a.4.388c.4.39b.4.38d.4.4ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?27.Given the calculation: 4.2389.1 = ?What is the answer reported to the correct number ofsignificant figures?a.38.5658c.38.6b.38.57d.39ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?

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28.Given the calculation: 1.9876.02 = ?What is the answer reported to the correct number ofsignificant figures?a.11.96174c.12.0b.11.96d.12ANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?29.Given the calculation: 15.72/9.16 = ?What is the answer reported to the correct number of significantfigures?a.1.71616c.1.716b.1.7162d.1.72ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?30.Given the calculation: 17.712/7.610 = ?What is the answer reported to the correct number ofsignificant figures?a.2.32746c.2.327b.2.3275d.2.33ANS:CPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?31.Given the calculation: (6.49107)(7.1105) = ?What is the answer reported to the correctnumber of significant figures?a.4.60791013c.4.6102b.4.61013d.4.6079102ANS:BPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?32.Given the calculation: (7.2210-3)(6.4107) = ?What is the answer reported to the correctnumber of significant figures?a.4.6105c.4.620105b.4.62105d.4.6208105ANS:APTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?33.Given the calculation: (6.021023)/12.00 = ?What is the answer reported to the correct number ofsignificant figures?a.1.99310–23c.5.0171022b.1.9910–23d.5.021022ANS:DPTS:1TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?34.Given the calculation: (6.626 x 10-34)/(9.63 x 107) = ?What is the answer reported to the correctnumber of significant figures?a.1.4531041c.6.8810–42b.1.451041d.6.88210–42ANS:CPTS:1

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TOP:1.3-HOW DO SCIENTISTS REPORT NUMBERS?35.Which metric prefix is commonly abbreviated using a Greek letter?a.megac.millib.microd.nanoANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?36.In which of the following are the lengths given in the correct order?a.cm > mm > m > kmc.km > m > cm > mmb.cm > m > km > mmd.mm > cm > m > kmANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?37.In which of the following are the lengths given in the correct order?a.cm < mm < m <mc.m < mm < cm < mb.cm < m <m < mmd.m < m < cm < mmANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?38.How many millimeters (mm) are there in 1 kilometer (km)?a.110–12c.1106b.110–6d.11012ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?39.How many kilometers (km) are there in 1 millimeter (mm)?a.110–12c.1106b.110–6d.11012ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?40.How many microliters (L) are there in 1 liter (L)?a.110–12c.1106b.110–6d.11012ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?41.How many liters (L) are there in 1 microliter (L)?a.110–12c.1106b.110–6d.1101ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?42.How many microliters (L) are there in 1 milliliter (mL)?a.110–6c.1103b.110–3d.1106ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?43.How many milliliters (mL) are there in 1 microliter (L)?a.110–6c.1103b.110–3d.1106ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?

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44.In the SI system of units the basic unit of volume is the cubic meter (m3). A volume of 1 m3is equal towhich of the following?a.1 Lc.100 Lb.10 Ld.1000 LANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?45.The decimeter (dm) is 0.1 m.Sometimes the volume of a liquid is specified in units of cubicdecimeters.Which of the following volumes equals 1 cubic decimeter?a.10Lc.100 mLb.10 mLd.1000 mLANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?46.In the SI system of units the basic unit of volume is the cubic meter (m3).The cubic meter is equal towhich of the following?a.103mLc.109mLb.106mLd.1012mLANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?47.The standard metric unit of volume, the liter, is equal to which of the following?a.1 cm3c.100 cm3b.10 cm3d.1000 cm3ANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?48.In which of the following are the masses given in the correct order?a.cg > mg > g >kgc.kg > g > cg > mgb.cg > g > kg > mgd.mg > cg > g > kgANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?49.In which of the following are the masses given in the correct order?a.cg < mg < g <gc.g < mg < cg < gb.cg < g <g < mgd.g < g < cg < mgANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?50.How many kilograms (kg) are there in 1 milligram (mg)?a.110–12c.1106b.110–6d.11012ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?51.How many milligrams (mg) are there is 1 kilogram (kg)?a.110–12c.1106b.110–6d.1101ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?52.How many millgrams (mg) are there in 1 microgram (g)?a.110–6c.1103b.110–3d.1106ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?

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53.How many micrograms (g) are there in 1 milligram (g)?a.110–6c.1103b.110–3d.1106ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?54.An intern made an error and gave a patient a dose of 500 mg rather than 500g of a drug.Which ofthe following is true?a.the patient received an overdose by a factor of 1000b.the patient received an overdose by a factor of 100c.the patient received an underdose by a factor of 1000d.the patient received an underdose by a factor of 100ANS:APTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?55.An intern made an error and gave a patient a dose of 500g rather than 500 mg of a drug.Which ofthe following is true?a.The patient received an overdose by a factor of 1000.b.The patient received an overdose by a factor of 100.c.The patient received an underdose by a factor of 1000.d.The patient received an underdose by a factor of 100.ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?56.How many seconds are in a 24 hour day?[Assume exactly 24 hours in a day]a.60c.3.60103b.1.44103d.8.64104ANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?57.How many minutes are in a 30 day month?[Assume exactly 24 hours in a day]a.7.20102c.2.59106b.4.32104d.3.11107ANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?58.How many minutes are in a 365 day year?[Assume exactly 24 hours in a day]a.8.760103c.5.256105b.2.190104d.3.154107ANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?59.What temperature on the Celsius is the same as normal body temperature 98.6F?a.34.3Cc.119.9Cb.37.0Cd.none of theseANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?60.Daytime temperatures in a desert can reach 45.0C. What is this temperature on the Fahrenheittemperature scale?a.90.0Fc.121.0Fb.113.0Fd.none of theseANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?

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61.The lowest temperature ever recorded on earth was-128.6F.What is this temperature on the Celsiustemperature scale?a.-57.3Cc.-173.8Cb.-89.2Cd.-289.1CANS:BPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?62.At what temperature do the temperatures on the Celsius and Fahrenheit scales have the same numericalvalue?a.–40.c.32b.0d.at no valueANS:APTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?63.At what temperature do the temperatures on the Celsius and Kelvin scales have the same numericalvalue?a.–40c.32b.0d.at no valueANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?64.What Celsius temperature is the same as 77.0F?a.25.0Cc.106.6Cb.74.8Cd.none of theseANS:APTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?65.The boiling point of octane is 126C.What is this temperature on the Fahrenheit scale?a.52Fc.259Fb.102Fd.284FANS:CPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?66.The boiling point of liquid nitrogen is 77 K.What is this temperature on the Celsius scale?a.350Cc.25Cb.171Cd.–196CANS:DPTS:1TOP:1.4-HOW DO WE MAKE MEASUREMENTS?67.What is the metric length of the 100. yard dash? [1 inch = 2.54 cm (exactly)]a.9.14 cmc.91.4 mb.25.4 cmd.254 mANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?68.One long distance Olympic race is the 10,000 meter run.Which of the following is most nearly thelength of this run to three significant figures in feet? [1 meter is slightly longer than 39 inches]a.6.09103ftc.1.00104ftb.6.22103ftd.3.28104ftANS:DPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?

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69.The length of an American football field is 100. yards.Which of the following most nearlyapproximates the length of this run in meters? [1 meter is slightly longer than 39 inches]a.9.14 mc.91.4 mb.10.9 md.109 mANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?70.A common piece of laboratory glassware is a 125 mL beaker.What is this volume in the Englishsystem of units? [1 quart = 0.946 liter = 32 fl oz]a.0.423 fl ozc.4.23 fl ozb.0.423 qtd.4.23 qtANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?71.A certain automobile has an 18 gallon gas tank.What is the volume of this tank in liters? [1 gallon =4 quarts, 1 quart = 0.946 liter]a.4.3 Lc.68 Lb.4.8 Ld.76 LANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?72.If you went into a cheese shop in Edam, Holland and wanted to buy approximately 1 pound of Edamcheese which of the following would you ask for?a.0.25 kgc.2 kgb.0.5 kgd.4 kgANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?73.A Frenchman in New York wants to buy approximately a kilo (1 kg) of cheese.How much cheeseshould he ask for?[1 pound = 453.6 grams]a.1/4 lb.c.2 lb.b.1/2 lb.d.4 lbANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?74.What is the mass of a quarter pound hamburger, expressed in the metric system? [1 pound = 453.6grams]a.113 mgc.1814 gb.113 gd.0.1814 kgANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?75.An object weighs 75.7 kg.What is the weight of this object expressed in the English system? [1pound = 453.6 grams]a.16.7 poundsc.343 poundsb.167 poundsd.34.3 poundsANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?

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76.If gasoline costs $1.95 per gallon is its cost per liter?[1 quart = 0.946 liter]a.5.15 centsc.73.9 centsb.51.5 centsd.7.39 centsANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?77.A particular model of hybrid car can travel 53.0 miles/gallon of gas.What is this fuel efficiencyexpressed in the metric system? [1 quart = 0.946 liter; 1 mile = 1.609 km]a.8.71 km/literc.22.5 km/literb.20.2 km/literd.90 km/literANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?78.A studio apartment in Paris has an area of 75.0 square meters.A New York apartment with which ofthe following areas most closely has the same area as the Paris apartment? [1 meter = 1.094 yards]a.90.0 square feetc.675 square feetb.270. square feetd.810. square feetANS:DPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?79.If a 1.000 L bottle of champagne cost 134 Euros and the exchange rate is 1 Euro = $1.33 (US), what isthe cost in dollars for 8.000 fluid ounces of this champagne? [1 fluid ounce = 29.57 mL]a.$5.26c.$47.09b.$42.15d.$81.31ANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?80.In Europe the area of apartments are typically given in square meters (m2).If the area of an Americanapartment is 9.0102ft2, a Paris apartment with which of the following areas most closely has thesame area as the New York apartment? [1 meter = 1.094 yards]a.27 m2c.84 m2b.30 m2d.90 m2ANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?81.The area of Europe is 1.05107km2.Which of the following shapes has an area most nearly equal tothe area of Europe? [1 mile = 1.609 km]a.a rectangle 2000 miles by 1000 milesc.a square 2000 miles on a sideb.a rectangle 2000 miles by 1500 milesd.none of theseANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?82.Theunit of weight used for precious stones is the carat (1 carat = 200 mg, exactly). If a particular 1.25carat diamond cost $7000.00, what is the cost of a collection of identical diamonds which weighs 1.00ounce? [1 ounce = 28.35 grams]a.$28,000c.$16,000b.$35,000d.$790,000ANS:DPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?

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83.At the 2008 Olympics the Jamaican runner Usain Bolt ran the 100. meter dash in world record time of9.69 seconds.What is this speed in miles per hour?[1 mile = 1.609 km]a.2.31 mphc.23.1 mphb.4.33 mphd.43.3 mphANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?84.At the 2008 Olympics the Jamaican runner Usain Bolt ran the 200. meter dash in world record time of19.30 seconds.What is this speed in miles per hour? [1 mile = 1.609 km]a.43.1 mphc.4.31 mphb.23.2 mphd.2.32 mphANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?85.At the 2008 Olympics the Jamaican runner Shelly Ann Fraser ran the 100. meter dash in world recordtime of 10.78 seconds.What is this speed in miles per hour?[1 mile = 1.609 km]a.2.08 mphc.20.8 mphb.4.81 mphd.48.1 mphANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?86.At the 2008 Olympics the Ethiopian runner Kenisa Bekele won 1.00104meter run in 27 minutes,1.17 seconds.What is this speed in miles per hour?[1 mile = 1.609 km]a.1.38 mphc.12.3 mphb.2.30 mphd.13.8 mphANS:DPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?87.The dimensions of a room are typically given in feet, but carpeting is sold by the square yard.Howmany square yards of carpet are required to cover the floor of a room which is 12 feet by 18 feet?a.12 square yardsc.24 square yardsb.18 square yardsd.220 square yardsANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?88.A can of soda has a volume of 355 mL.The area of a circle is given asA=r2, where r is the radiusof the circle, so the volume of the can is given byV= (r2)h, where h is the height of the can.If aparticular can has a height of 12.2 cm what is the radius of the can?a.3.04 mmc.9.26 mmb.3.04 cmd.9.26 cmANS:BPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?89.The dimensions of a piece of wood are 2.8 meters x 14 cm x 120 mm.What is the volume of thispiece of wood?a.4.7103mm3c.4.7104cm3b.4.7103cm3d.4.7103m3

Test Bank For Introduction To General, Organic And Biochemistry, 10th Edition - Page 14 preview image

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ANS:CPTS:1TOP:1.5-WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER?90.Which state of matter is highly compressible?a.solidc.gasb.liquidd.none of themANS:CPTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?91.Which state of matter retains its volume but adapts its shape to that of its container?a.solidc.gasb.liquidd.none of theseANS:BPTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?92.Which state of matter is essentially incompressible?a.solidc.gasb.liquidd.none of themANS:APTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?93.Which of the following describes the compressibility of liquids?a.They are highly compressible.b.They are slightly compressible.c.They are virtually incompressible.d.Any of these, depending on the liquid.ANS:BPTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?94.Dry ice is called dry ice because it passes directly from the solid state to the gaseous state (sublimes)under normal atmospheric conditions..Which of the following occurs during this transformation?a.The chemical composition of dry ice changes.b.The volume of the sample decreases.c.The volume of the sample remains the same.d.The volume of the sample increases.ANS:DPTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?95.Which of the following is true of ice, water and steam?a.They are three different chemical substances.b.They are the same substance in different chemical states.c.They are the same substance in different physical states.d.They are the same substance in different chemical and physical states.ANS:CPTS:1TOP:1.6-WHAT ARE THE STATES OF MATTER?96.Mercury is the only metal which is a liquid at room temperature.The density of mercury is 13.6g/cm3.What is the mass, in pounds, of 1.00 quart of mercury? [1 liter = 1.057 quart; 1 pound = 453.6grams]a.0.0284 lbc.31.7 lbb.28.4 lbd.35.3 lbANS:BPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?

Test Bank For Introduction To General, Organic And Biochemistry, 10th Edition - Page 15 preview image

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97.Xenon is a gas found in some automobile headlights.The density of xenon at room temperature andpressure is 5.37 g/L.What is the mass, in pounds of 1.00 quart of xenon?[1 liter = 1.057 quart; 1pound = 453.6 grams]a.0.0112 lbc.79.9 lbb.0.0125 lbd.89.3 lbANS:APTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?98.Which of the following is true of the relationship between density expressed in g/mL and specificgravity?a.They have different numerical values and different units.b.They have the same numerical value and the same units.c.They have the same numerical value but specific gravity is dimensionless.d.They have the same units but different numerical values.ANS:CPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?99.The densities of the coinage metals (copper, silver and gold) are as follows:copper = 8.95 g/cm3silver = 12.59 g/cm3gold = 19.32 g/cm3A sample of material is found to weigh 14.03 grams, and have a volume of 1.20 cm3.The samplecould be which of the coinage metals?a.copperb.silverc.goldANS:BPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?100.An unknown substance has a mass of 56.8 g and a volume of 23.4 mL.What is the density of thisunknown substance?a.0.411 g/mLc.2.43 g/mLb.2.34 g/mLd.2.50 g/mLANS:CPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?101.Aluminum has a density of 2.70 g/ cm3.What volume is occupied by a block of aluminum whichweighs 4.32 kg?a.0.000625 cm3c.1.60 cm3b.0.625 cm3d.1.60 LANS:DPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?102.Titanium has a density of 4.54 g/mL.What is the mass of 17.3 mL of titanium?a.3.81 gc.78.5 gb.38.1 gd.785 gANS:CPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?

Test Bank For Introduction To General, Organic And Biochemistry, 10th Edition - Page 16 preview image

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103.Iron has a density of 7.874 g/cm3.What is the mass of a rectangular block of iron with dimensions of3.000 cm by 4.000 cm by 5.000 cm?a.7.629 gc.94.48 gb.60.00 gd.472.4 gANS:DPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?104.Iron has a density of 7.874 g/cm3.What is the volume of a block of iron which weighs 15.321 g?a.0.008289 cm3c.1.946 cm3b.0.5139 cm3d.120.6 cm3ANS:CPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?105.Which of the following is true about specific gravity of a material?a.It has units of g/mL.b.It is defined as the density of the material divided by the density of water.c.both a and bd.neither a nor bANS:BPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?106.If specific gravities were defined by reference to oil (density = 0.89 g/mL) rather than water (density =1.0 g/mL) which of the following would be true?a.The specific densities of all materials would be larger than those given in tables inhandbooks.b.The specific densities of all materials would be smaller than those given in tables inhandbooks.c.The specific densities of some objects would be larger and of otherobjects would besmaller than those given in tables in handbooks.d.The question is meaningless since water is the only permissible reference material.ANS:APTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?107.A particular material has a specific gravity of 1.04 at 20°C.As this material is heated from 20°C to30°C its volume increases faster than does the volume of water.Which of the following statements istrue of the specific gravity of this material as it is heated to 30°C?a.Its specific gravity decreases.b.Its specific gravity increases.c.Its specific gravity remains the same.d.There is insufficient information to answer the question.ANS:APTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?108.What is the name of the instrument used to measure specific gravity?a.densitometerc.hydrometerb.gravameterd.spectrometerANS:CPTS:1TOP:1.7-WHAT ARE DENSITY AND SPECIFIC GRAVITY?109.Which of the following is the formula used to calculate the kinetic energy of a moving object?

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