(Test Bank) General, Organic, & Biological Chemistry

Smith, 5

Chemistry

Test Bank

5th Edition

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Test Bank for General, Organic, & Biological Chemistry, The downloadable file consists of 1119 pages, and the total size of the file is 25.42 MB. Purchase now only for highly discounted price.

Author(s): Smith

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Study Note Preview

Version 1 1 CHAPTER 1 1) A ________ change converts one material to another. 2) The measurement 0.030500 m has ________ significant figures. 3) The measurement 4008 L has ________ significant figures. 4) The measurement 32.0 m has ________ significant figures. 5) The measurement 0.0002 g has ________ significant figures. 6) The measurement 9.0 x 103 km has ________ significant figures. 7) When the measurement 340,942 s is rounded to two significant figures, the value is properly reported as ________. 8) To use conversion factors to solve a problem, set up the problem with any unwanted unit in the numerator of one term and the ________ of another term, so that unwanted units cancel.Version 1 2 9) Every measurement is composed of a number and a ________. 10) A small banana contains 323 mg of the nutrient potassium. You would need to eat approximately ________ small bananas in one day to obtain the recommended daily intake of 3.5 g of potassium. 11) The measurement 5342 nm is the same length as ________ cm, written in scientific notation. 12) When crude oil leaks into the ocean from an oil tanker, the crude oil floats, because it is ________ dense than water. 13) Ultraviolet light converts oxygen gas (O2) into ozone (O3) in the stratosphere. This is an example of a ________ change. 14) The Recommended Dietary Allowance (RDA) for iron for females is 18 mg. If each vitamin supplement contains 0.006 g of iron, ________ vitamin supplements must be taken per day to meet the RDA for iron. 15) The state of matter of substance that has a definite volume and takes the shape of the container that it is in is classified as a ________.Version 1 3 16) The classic dessert, pound cake, got its name from the fact that the original recipe called for one pound of butter, one pound of sugar, and one pound of flour. An amateur baker wanted to test to see if the new recipe did indeed require 1 lb of sugar, so he took the mass of the 2 cups of sugar that the recipe required and found that it had a mass of 454 g. The old recipe and the new recipe ________ require the same mass of sugar. (do/ do not) 17) The jeweler insists that the necklace in the display case is made of pure gold. Pure gold has a density of about 19 g/mL. If the mass of the necklace is 8.0g and the volume is 0.48 mL. The density of the necklace is ________, so the necklace ________ pure gold. (is, is not) 18) A patient with a severe upper respiratory infection is prescribed Cephalexin, an antibiotic. The pharmacy dispenses a total mass of 5250 mg of the antibiotic in capsule form, enough for exactly 7 days of treatment. The patient is told to take 3 capsules per day. The mass of Cephalexin in each capsule is ________. 19) Which is NOT an example of a pure substance? A) sugar B) air C) aluminum foil D) water E) a block of dry ice (solid CO2) 20) Which is an example of a physical change?Version 1 4 A) the rusting of an iron nail B) the burning of propane in a gas grill C) baking cookies D) polishing tarnished silver E) melting of an ice cube in a glass of soda 21) Which of the following examples represents a chemical change? A) the tearing of a piece of paper B) the melting of an ice cube C) the burning of a candle D) the dissolving of table salt (NaCl) in water E) the evaporation of water from a puddle 22) An unknown solid is taken to the laboratory for analysis. Which of the following examples represents a chemical property of the unknown solid substance? A) The density of the solid is 1.66 g/mL. B) The melting point of the solid is 156°C. C) The solid is soluble in water and acetone. D) The substance is odorless in solid form. E) The substance produces a gas when combined with NaHCO3 in water. 23) An unknown liquid is taken to the laboratory for analysis. Which of the following examples represents a physical property of the unknown liquid substance?Version 1 5 A) The liquid is hygroscopic and readily absorbs moisture from the air. B) The liquid produces an exothermic reaction with water. C) The liquid is highly corrosive. D) The liquid is viscous with a slight yellow color. E) The liquid is a powerful oxidizing agent. 24) In which state of matter are the particles close together and highly organized? A) solid B) liquid C) gas D) all of the choices are correct. E) none of the choices are correct. 25) Which description best characterizes the behavior of the particles of a liquid? A) The particles are close together and highly organized. B) The particles are close together but disorganized. C) The particles are far apart and highly organized. D) The particles are far apart and very disorganized. E) None of the choices are correct. 26) Which state of matter does not have a definite shape or volume? A) solid B) liquid C) gas D) More than one of the choices are correct. E) None of the choices are correct. Version 1 6 27) Which choice describes the behavior of a solid? A) A solid has a definite volume, and maintains its shape in any container. B) A solid has a definite volume, but takes on the shape of its container. C) A solid has no definite volume or shape. D) A solid has no definite volume and takes the shape of its container. E) None of the choices are correct. 28) Which measurement has the fewest number of significant figures? A) 12.80 m B) 0.1280 m C) 0.001280 m D) 1280 m E) All of the measurements have the same number of significant figures. 29) Which quantity is an exact number? A) 3 cars B) 1,000 m C) 2 L D) 453.6 g E) 1 qt 30) Which quantity is an inexact number?Version 1 7 A) 1 dozen eggs B) 120 meters C) 15 marbles D) 5 soccer balls E) 2 soda cans 31) The number 0.0035880 expressed correctly using scientific notation is ________. A) 0.0035889 B) 3.5880 × 103 C) 3.5880 × 10–3 D) 3.5880 × 10–4 E) 3.588 × 10–3 32) The measurement 78,005,760 expressed correctly using scientific notation is ________. A) 7.8005760 × 107 B) 7.8005760 × 10–7 C) 7.8 × 107 D) 7.800576 × 10–7 E) 7.800576 × 107 33) When 4.870 × 10–3 is correctly converted to its standard form the number becomes ________.Version 1 8 A) 4870 B) 4870. C) 0.00487 D) 0.004870 E) 0.0004870 34) Which number is the largest? A) 4.38 × 103 B) 4.38 × 102 C) 4.38 × 10–3 D) 4.38 × 10–2 E) 438 35) Which number is the smallest? A) 4.38 × 103 B) 4.38 × 102 C) 4.38 × 10–3 D) 4.38 × 10–2 E) 438 36) When 0.022189 is correctly rounded to two significant figures the number becomes ________.Version 1 9 A) 0.02 B) 0.022 C) 22 D) 0.023 E) 0.0222 37) When 5.5490 × 108 is correctly rounded to three significant figures the number becomes ________. A) 5.55 B) 5.55 × 108 C) 555 D) 554 E) 5.54 × 108 38) Which number contains four significant figures? A) 3.908 B) 0.780 C) 0.0085 D) 1700 E) Two or more of the numbers contain four significant figures. 39) Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 + 73.1Version 1 10 A) 111 B) 111.3 C) 111.4 D) 111.35 E) 111.351 40) Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 – 651.9 A) 3.286 B) 0.3286 C) 0.33 D) 0.3 E) 1268.1 41) Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 × 73.1 A) 2796.1481 B) 2796.15 C) 2796.1 D) 2796 E) 2.80 × 103 42) Carry out the following calculation and report the answer using the proper number of significant figures: Version 1 11 A) 31.0185 ft/s B) 31.01 ft/s C) 31.02 ft/s D) 31.0 ft/s E) 31 ft/s 43) The base unit for mass in the metric system is the ________. A) pound B) liter C) centigram D) ton E) gram 44) The base unit for volume in the metric system is the ________. A) quart B) liter C) pint D) gallon E) cup 45) What is the correct metric relationship between milliliters and microliters? A) 1 milliliter = 1 microliter B) 1,000 milliliters = 1 microliter C) 1 milliliter = 1,000 microliters D) 1,000,000 milliliters = 1 microliter E) 1 milliliter = 1,000,000 microliters Version 1 12 46) Which metric relationship is INCORRECT? A) 1 milligram = 1,000 grams B) 1 dL = 100 mL C) 1 km = 1,000 m D) 100 cg = 1 g E) 1 liter = 1,000,000 microliters 47) Which is the proper conversion factor for converting a mass expressed in pounds (lbs) to the same mass expressed in grams (g)? A) B) C) D) E) None of the conversion factors provided are correct. 48) Which length is the longest? A) 12 m B) 12,000 mm C) 12,000 μm D) 12,000 cm E) 0.0012 km Version 1 13 49) What is the height (in meters) of patient who measures 6.0 feet tall? A) 0.55 m B) 1.3 m C) 1.8 m D) 19 m E) 2.0 x 102 m 50) A single dose of medication has a mass of 450mg. What is this mass in grams? A) 0.00045 g B) 0.0045 g C) 0.045 g D) 0.45 g E) 4.5 g 51) A syringe has a volume of 5.0 mL. What is this volume in deciliters? A) 0.00050 dL B) 0.0050 dL C) 0.050 dL D) 0.50 dL E) 50. dL 52) What is the mass in kilograms of an individual who weighs 197 lbs.?Version 1 14 A) 197 kg B) 8.95 kg C) 89.5 kg D) 90 kg E) 433 kg 53) If a balloon has a volume of 21.6 cups, what is the volume of this balloon expressed in L? A) 86.4 L B) 81.51 L C) 5.72 L D) 5.108 L E) 5.11 L 54) Which volume is equivalent to 225 mL? A) 2.25 × 105 μL B) 2.25 × 102 μL C) 2.25 L D) 2.25 × 10–5 μL E) 0.225 μL 55) If a package of nuts weighs 41.3 oz, what is the mass of the package expressed in milligrams?Version 1 15 A) 1.17 mg B) 1.17 × 103 mg C) 1.17 × 106 mg D) 117mg E) 3.00 × 105 mg 56) If a tree is 89.5 cm tall, what is the tree's height expressed in yards? A) 0.979 yd B) 6.31 yd C) 18.9 yd D) 35.2 yd E) 227 yd 57) If the density of a 5.25g blood sample is 1.05 g/mL, what is the volume of the sample, reported in mL? A) 5 mL B) 5.5 mL C) 5.00 mL D) 0.20 mL E) 2.5 mL 58) A 15.0 mL urine sample from a dehydrated patient has a density of 1.019 g/mL. What is the mass of the sample, reported in mg?