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Chemistry: The Central Science, 13th Edition Test Bank - Document preview page 1

Chemistry: The Central Science, 13th Edition Test Bank - Page 1

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Chemistry: The Central Science, 13th Edition Test Bank

Get ahead with Chemistry: The Central Science, 13th Edition Test Bank, a high-quality guide filled with useful notes, practice problems, and tips.

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Chemistry: The Central Science, 13th Edition Test Bank - Page 1 preview imageChemistry: The Central Science, 13e(Brown et al.)Chapter 1Introduction: Matter and Measurement1.1Multiple-Choice Questions1) What is the physical state in which matter has no specific shape but does have a specific volume?A) gasB) solidC) liquidD) saltsE) iceAnswer: CDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G22) The law of constant composition applies to ________.A) solutionsB) heterogeneous mixturesC) compoundsD) homogeneous mixturesE) solidsAnswer: CDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G23) A combination of sand, salt, and water is an example of a ________.A) homogeneous mixtureB) heterogeneous mixtureC) compoundD) pure substanceE) solidAnswer: BDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 2 preview image
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Chemistry: The Central Science, 13th Edition Test Bank - Page 3 preview image4) A small amount of salt dissolved in water is an example of a ________.A) homogeneous mixtureB) heterogeneous mixtureC) compoundD) pure substanceE) solidAnswer: ADiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G25) Which one of the following has the element name and symbol correctly matched?A) S, sodiumB) Tn, tinC) Fe, ironD) N, neonE) B, bromineAnswer: CDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G26) Which one of the following elements has a symbol that isnotderived from its foreign name?A) tinB) aluminumC) mercuryD) copperE) leadAnswer: BDiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G27) Which one of the following is often easily separated into its components by simple techniques such asfiltering or decanting?A) heterogeneous mixtureB) compoundsC) homogeneous mixtureD) elementsE) solutionsAnswer: ADiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 4 preview image8) Which states of matter are significantly compressible?A) gases onlyB) liquids onlyC) solids onlyD) liquids and gasesE) solids and liquidsAnswer: ADiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G29) For which of the following can the composition vary?A) pure substanceB) elementC) both homogeneous and heterogeneous mixturesD) homogeneous mixtureE) heterogeneous mixtureAnswer: CDiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G210) If matter is uniform throughout and cannot be separated into other substances by physical means, it is________.A) a compoundB) either an element or a compoundC) a homogeneous mixtureD) a heterogeneous mixtureE) an elementAnswer: BDiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G211) An element cannot ________.A) be part of a heterogeneous mixtureB) be part of a homogeneous mixtureC) be separated into other substances by chemical meansD) interact with other elements to form compoundsE) be a pure substanceAnswer: CDiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 5 preview image12) Homogeneous mixtures are also known as ________.A) solidsB) compoundsC) elementsD) substancesE) solutionsAnswer: EDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G213) The law of constant composition says ________.A) that the composition of a compound is always the sameB) that all substances have the same compositionC) that the composition of an element is always the sameD) that the composition of a homogeneous mixture is always the sameE) that the composition of a heterogeneous mixture is always the sameAnswer: ADiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G214) Which of the following is an illustration of the law of constant composition?A) Water boils at 100 °C at 1 atm pressure.B) Water is 11% hydrogen and 89% oxygen by mass.C) Water can be separated into other substances by a chemical process.D) Water and salt have different boiling points.E) Water is a compound.Answer: BDiff: 2Var:1Page Ref:Sec. 1.2LO: 1.2GO: G215) In the following list, only ________ isnotan example of a chemical reaction.A) dissolution of a penny in nitric acidB) the condensation of water vaporC) a burning candleD) the formation of polyethylene from ethyleneE) the rusting of ironAnswer: BDiff: 2Var:1Page Ref:Sec. 1.3GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 6 preview image16) Gases and liquids share the property of ________.A) compressibilityB) definite volumeC) incompressibilityD) indefinite shapeE) definite shapeAnswer: DDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G217) Of the following, only ________ is a chemical reaction.A) melting of leadB) dissolving sugar in waterC) tarnishing of silverD) crushing of stoneE) dropping a penny into a glass of waterAnswer: CDiff: 2Var:1Page Ref:Sec. 1.3GO: G218) Which one of the following isnotan intensive property?A) densityB) temperatureC) melting pointD) massE) boiling pointAnswer: DDiff: 2Var:1Page Ref:Sec. 1.3GO: G219) Which one of the following is an intensive property?A) massB) temperatureC) heat contentD) volumeE) amountAnswer: BDiff: 2Var:1Page Ref:Sec. 1.3GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 7 preview image20) Of the following, only ________ is an extensive property.A) densityB) volumeC) boiling pointD) freezing pointE) temperatureAnswer: BDiff: 2Var:1Page Ref:Sec. 1.3GO: G221) Which of the following are chemical processes?1. rusting of a nail2. freezing of water3. decomposition of water into hydrogen and oxygen gases4. compression of oxygen gasA) 2, 3, 4B) 1, 3, 4C) 1, 3D) 1, 2E) 1, 4Answer: CDiff: 3Var:1Page Ref:Sec. 1.3GO: G222) In the following list, only ________ is not an example of a chemical reaction.A) burning a plastic water bottleB) the production of hydrogen gas from waterC) the tarnishing of a copper pennyD) chopping a log into sawdustE) charging a cellular phoneAnswer: DDiff: 2Var:1Page Ref:Sec. 1.3GO: G223) Of the following, ________ is the largest mass.A) 25 kgB) 2.5 × 10-2mgC) 2.5 ×1015pgD) 2.5 ×109fgE) 2.5 ×1010ngAnswer: ADiff: 2Var:1Page Ref:Sec. 1.4LO: 1.4GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 8 preview image24) Which one of the following is the highest temperature?A) 38 °CB) 96 °FC) 302 KD) none of the aboveE) the freezing point of waterAnswer: ADiff: 3Var:1Page Ref:Sec. 1.4LO: 1.4GO: G225) Which of the following is (are) the lowest temperature?A) The freezing point of waterB) 5 °CC) 30 °FD) 280 KE) A and DAnswer: CDiff: 3Var:1Page Ref:Sec 1.4LO: 1.4GO: G226) Which one of the following is true about the liter?A) It is the SI base unit for volume.B) It is equivalent to a cubic decimeter.C) It is slightly smaller than a quart.D) It contains106cubic centimeters.E) It is slightly smaller than a gallon.Answer: BDiff: 4Var:1Page Ref:Sec. 1.4LO: 1.4GO: G227) Of the objects below, ________ is the most dense.A) an object with a volume of 2.5 L and a mass of 12.5 kgB) an object with a volume of 139 mL and a mass of 93 gC) an object with a volume of 0.00212m3and a mass of 4.22 ×104mgD) an object with a volume of 3.91 ×10-24nm3and a mass of 7.93 ×10-1ngE) an object with a volume of 13dm3and a mass of 1.29 ×103gAnswer: DDiff: 4Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G4
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Chemistry: The Central Science, 13th Edition Test Bank - Page 9 preview image28) Which calculation clearly shows a conversion between temperatures in degrees Celsius, °C, andtemperature in Kelvins, K?A) K = °C + 273.15B) K = 273.15-°CC) K = [°C-32] / 1.8D) K = [°C + 32] × 1.8E) K = °CAnswer: ADiff: 1Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G429) You have to calculate the mass of a 30.0 mL liquid sample with density of 1.52 g/mL, but you haveforgotten the formula. Which way of reasoning would help you in finding the correct mass?A) If 1 mL of a liquid has the mass of 1.52 g, then 30.0 mL has the mass of __________ g.B) If 1.52 mL of a liquid has the mass of 1 g, then 30.0 mL has the mass of __________ g.Answer: ADiff: 2Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G430) You have to calculate the volume of a gas sample with mass of 1.000 ×103g and density of 1.027 g/L,but you have forgotten the formula. Which way of reasoning would help you in finding the correct mass?A) If 1.027 g of a gas takes up a volume of 1 L, then 1.000 ×103g of the same gas takes up a volume of__________.B) If 1.027 L of gas has a mass of 1 g, then __________ L has the mass of 1.000 ×103g.Answer: ADiff: 2Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G431) Osmium has a density of 22.6 g/cm3.What volume (incm3) would be occupied by a 21.8 g sample ofosmium?A) 0.965B) 1.04C) 493D) 2.03 ×10-3E) 2.03 ×103Answer: ADiff: 2Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G4
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Chemistry: The Central Science, 13th Edition Test Bank - Page 10 preview image32) Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to55.0 mm?A) 2.1 × 104gB) 4.3 × 102gC) 1.3 × 103gD) 1.4 gE) 2.3 × 10-2gAnswer: CDiff: 3Var:1Page Ref:Sec. 1.4LO: 1.4, 1.6GO: G433) Precision refers to ________.A) how close a measured number is to other measured numbersB) how close a measured number is to the true valueC) how close a measured number is to the calculated valueD) how close a measured number is to zeroE) how close a measured number is to infinityAnswer: ADiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G234) Accuracy refers to ________.A) how close a measured number is to zeroB) how close a measured number is to the calculated valueC) how close a measured number is to other measured numbersD) how close a measured number is to the true valueE) how close a measured number is to infinityAnswer: DDiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G235) Which of the following has the same number of significant figures as the number 1.00310?A) 1 ×106B) 199.791C) 8.66D) 5.119E) 100Answer: BDiff: 2Var:1Page Ref:Sec. 1.5LO: 1.5GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 11 preview image36) Acceleration due to gravity of a free-falling object is 9.8 m/s2. Express this in millimeters/millisecond2.A) 9.8 ×10-9B) 9.8 ×103C) 9.8 ×10-6D) 9.8 ×106E) 9.8 ×10-3Answer: EDiff: 2Var:1Page Ref:Sec. 1.6LO: 1.4, 1.6GO: G437) If an object is accelerating at a rate of 25 m/s2, how long (in seconds) will it take to reach a speed of550 m/s? (Assume an initial velocity of zero.)A) 22B) 1.4 ×104C) 0.045D) 1.2 ×104E) 2.3 ×102Answer: ADiff: 4Var:1Page Ref:Sec. 1.6LO: 1.4, 1.6GO: G438) If an object is accelerating at a rate of 25 m/s2, how fast will it be moving (in m/s) after 1.50 min?(Assume an initial velocity of zero.)A) 17B) 3.6C) 38D) 2.3 ×103E) 0.060Answer: DDiff: 4Var:1Page Ref:Sec. 1.6LO: 1.4, 1.6GO: G4
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Chemistry: The Central Science, 13th Edition Test Bank - Page 12 preview image39) A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL. What is the density of theobject determined to an appropriate number of significant figures?A) 8 ×10-1g/mLB) 7.9 ×10-1g/mLC) 7.86 ×10-1g/mLD) 7.859 ×10-1g/mLE) 7.8586 ×10-1g/mLAnswer: DDiff: 2Var:1Page Ref:Sec. 1.4, 1.5LO: 1.5GO: G440) Expressing a number in scientific notation ________.A) changes its valueB) removes ambiguity as to the significant figuresC) removes significant zerosD) allows to increase the number's precisionE) all of the aboveAnswer: BDiff: 2Var:1Page Ref:Sec. 1.5LO: 1.5GO: G441) The number with the most significant zeros is ________.A) 0.00002510B) 0.02500001C) 250000001D) 2.501 ×10-7E) 2.5100000Answer: CDiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G442) How many significant figures should be retained in the result of the following calculation?12.00000 × 0.9893 + 13.00335 × 0.0107A) 2B) 3C) 4D) 5E) 6Answer: BDiff: 2Var:1Page Ref:Sec. 1.5LO: 1.5GO: G443) In which one of the following numbers areallof the zeros significant?
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Chemistry: The Central Science, 13th Edition Test Bank - Page 13 preview imageA) 100.090090B) 0.143290C) 0.05843D) 0.1000E) 00.0030020Answer: ADiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G444) Which of the following isnotan exact number?A) the number of seconds in a yearB) the number of millimeters in a kilometerC) the number of liters in a gallonD) the number of centimeters in an inchE) the number of grams in a kilogramAnswer: CDiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G445) Round the number 0.007222 to three significant figures.A) 0.007B) 0.00722C) 0.0072D) 0.00723E) 0.007225Answer: BDiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G446) Round the number 3456.5 to two significant figures.A) 3400.0B) 3400C) 3000D) 3500E) 3000.0Answer: DDiff: 1Var:1Page Ref:Sec. 1.5LO: 1.5GO: G4
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Chemistry: The Central Science, 13th Edition Test Bank - Page 14 preview image47) One angstrom, symbolized Å, is10-10m. 1cm3= ________Å3.A)1024B)10-24C)1030D)10-30E)10-9Answer: ADiff: 3Var:1Page Ref:Sec. 1.6LO: 1.4, 1.6GO: G41.2Bimodal Questions1) Solids have a ________ shape and are not appreciably ________.A) definite, compressibleB) definite, incompressibleC) indefinite, compressibleD) indefinite, incompressibleE) sharp, convertibleAnswer: ADiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G22) ________ is the chemical symbol for elemental sodium.A) SB) WC) SoD) NaE) SnAnswer: DDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G23) If matter is uniform throughout and cannot be separated into other substances by physical processes,but can be decomposed into other substances by chemical processes, it is called a(n) ________.A) heterogeneous mixtureB) elementC) homogeneous mixtureD) compoundE) mixture of elementsAnswer: DDiff: 1Var:1Page Ref:Sec. 1.2LO: 1.2GO: G24) A separation process that depends on differing abilities of substances to form gases is called ________.
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Chemistry: The Central Science, 13th Edition Test Bank - Page 15 preview imageA) filtrationB) solvationC) distillationD) chromatographyE) All of the above are correct.Answer: CDiff: 2Var:1Page Ref:Sec. 1.3GO: G25) The initial or tentative explanation of an observation is called a(n) ________.A) lawB) theoryC) hypothesisD) experimentE) testAnswer: CDiff: 2Var:1Page Ref:Sec. 1.4GO: G16) A concise verbal statement or mathematical equation that summarizes a broad variety of observationsand experiences is called a(n) ________.A) lawB) theoryC) hypothesisD) experimentE) testAnswer: ADiff: 2Var:1Page Ref:Sec. 1.4GO: G17) The SI unit for mass is ________.A) kilogramB) gramC) poundD) troy ounceE) none of the aboveAnswer: ADiff: 1Var:1Page Ref:Sec. 1.4LO: 1.4GO: G2
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Chemistry: The Central Science, 13th Edition Test Bank - Page 16 preview image8) A one degree of temperature difference is the smallest on the ________ temperature scale.A) KelvinB) CelsiusC) FahrenheitD) Kelvin and CelsiusE) Fahrenheit and CelsiusAnswer: CDiff: 3Var:1Page Ref:Sec. 1.4LO: 1.4GO: G29) ________ is the abbreviation for the prefix mega-.A) kB) mC) MD) nE) dAnswer: CDiff: 1Var:1Page Ref:Sec. 1.4LO: 1.4GO: G210) ________ is the abbreviation for the prefix milli-.A) kB) mC) MD) nE) dAnswer: BDiff: 1Var:1Page Ref:Sec. 1.4LO: 1.4GO: G211) A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is________.A) km/hrB) km/sC) m/hrD) m/sE) cm/sAnswer: DDiff: 2Var:1Page Ref:Sec. 1.4LO: 1.4GO: G2
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