Problem 1ALQ: a. There are 365 days/year, 24 hours/day, 12 months/year, and 60 minutes/hour. How many minutes are... Problem 2ALQ: You go to a convenience store to buy candy and find the owner to be rather odd. He allows you to buy... Problem 3ALQ: When a marble is dropped into a beaker of water, it sinks to the bottom. Which of the following is... Problem 4ALQ: Consider water in each graduated cylinder as shown: You add both samples of water to a beaker. How... Problem 5ALQ: What is the numerical value of a conversion factor? Why must this be true? Problem 6ALQ: For each of the following numbers, indicate which zeros are significant and explain. Do not merely... Problem 7ALQ: Consider the addition of “1 5.4” to “28.” What would a mathematician say the answer is? What would a... Problem 8ALQ: Consider multiplying “26.2” by “16.43.” What would a mathematician say the answer is? What would a... Problem 9ALQ: In lab you report a measured volume of 128.7 mL of water. Using significant figures as a measure of... Problem 10ALQ: Sketch two pieces of glassware: one that can measure volume to the thousandths place, and one that... Problem 11ALQ: Oil floats on water but is “thicker” than water. Why do you think this fact is true? Problem 12ALQ: Show how converting numbers to scientific notation can help you decide which digits are significant. Problem 13ALQ: You are driving 65mph and take your eyes oil the road “just for a second.” How many feet do you... Problem 14ALQ: You have a1.0cm3 sample of lead and a1.0cm3 sample of glass. You drop each in a separate beaker of... Problem 15ALQ: The beakers shown below have different precisions. Label the amount of water in each of the three... Problem 16ALQ: True or false? For any mathematical operation performed on two measurements, the number of... Problem 17ALQ: Complete the following and explain each in your own words: leading zeros are... Problem 18ALQ: For each of the following figures, a through d, decide which block is more dense: the orange block,... Problem 19ALQ: For the pin shown below, why is the third digit determined for the length of the pin uncertain?... Problem 20ALQ: Why can the length of the pin shown below not be recorded as 2.850 cm? Problem 21ALQ: Use the figure below to answer the following questions. Derive the relationship between °C and °X.... Problem 1QAP: A represents a quantitative observation. Problem 2QAP: Although your textbook lists (he rules for converting an ordinary number to scientific notation,... Problem 3QAP: When a large or small number is written in standard scientific notation, the number is expressed as... Problem 4QAP: When a large or small number is written in standard scientific notation, the number is expressed as... Problem 5QAP: Will the power of 10 have apositiveor anegativeexponent when each of the following numbers is... Problem 6QAP Problem 7QAP: Express each of the following numbers instandardscientific notation. a. 0.5012 b. 5,012,000 c.... Problem 8QAP: Rewrite each of the following as an “ordinary” decimal number. 2.789103 2.789103 99.3107 1.289101... Problem 9QAP: By how many places must the decimal point be moved, and in which direction, to convert each of the... Problem 10QAP: By how many places must the decimal point be moved, and in which direction, to convert each of the... Problem 11QAP Problem 12QAP: Write each of the following numbers as “ordinary” decimal numbers. a.6.244103 d.1.771104 b.9.117102... Problem 13QAP: Write each of the following numbers instandardscientific notation. a.1/1033 e.1/3,093,000 b.1/105... Problem 14QAP Problem 15QAP: What are the fundamental units of mass, length, and temperature in the metric system? Problem 16QAP: Give the metric prefix that corresponds to each of the following: 1000 103 109 1,000,000 101 106 Problem 17QAP: Students often have trouble relating measurements in the metric system to the English system they... Problem 18QAP: Students often have trouble relating measurements in the metric system to the English system they... Problem 19QAP: Students often have trouble relating measurements in the metric system to the English system they... Problem 20QAP: Students often have trouble relating measurements in the metric system to the English system they... Problem 21QAP: The road sign I just passed says “New York City 100 km,” which is about mi. Problem 22QAP: The GPS in my car indicates that t have 100. mi left until I reach my destination. What is this... Problem 23QAP: The tablecloth on my dining room table is 2 in long, which is cm or about in. Problem 24QAP: Who is taller, a man who is 1.62 in tall or a woman who is 5 ft 6 in. tall? Problem 25QAP: The fundamental SI unit of length is the meter. However, we often deal with larger or smaller... Problem 26QAP: 26. Which English unit of length or distance is most comparable in scale to each of the following... Problem 27QAP: The unit of volume in the metric system is the liter, which consists of 1000 milliliters. How many... Problem 28QAP: Which metric system unit is most appropriate for measuring the length of an insect such as a beetle?... Problem 29QAP: When a measuring scale is used properly to the limit of precision, the last significant digit... Problem 30QAP: In lab you report a measured volume of 158.6 mL of water. Using significant figures as a measure of... Problem 31QAP: For the pin shown in Fig. 2.5, why is the third figure determined for the length of the pin... Problem 32QAP: Why can the length of the pin shown in Fig. 2.5 not be recorded as 2.850 cm? Problem 33QAP: Indicate the number of significant figures in each of the following: 250. 250 2.5102 250.0 Problem 34QAP: Indicate the number of significant figures implied in each of the following statements: The... Problem 35QAP: When we round off a number, if the number to the right of the digit to be rounded is greater than 5,... Problem 36QAP: In a multiple-step calculation, is it better to round off the numbers to the correct number of... Problem 37QAP: Round off each of the following numbers to three significant digits, and express the result in... Problem 38QAP: Round off each of the following numbers to two significant digits, and express the result in... Problem 39QAP: Round off each of the following numbers to the indicated number of significant digits and write the... Problem 40QAP: Round off each of the following numbers to the indicated number of significant digits, and write the... Problem 41QAP: Consider the calculation indicated below: 2.210.072330.154.995 Explain why the answer to this... Problem 42QAP: The following water measurements are made: 18 mL of water measured with a beaker, 128.7 mL of water... Problem 43QAP: When the calculation(2.31)(4.9795103)/(1.9971104) is performed, how many significant digits should... Problem 44QAP: You are asked to determine the perimeter of the cover of your textbook. You measure the length as... Problem 45QAP: When the sum 4.9965 + 2.11 + 3.887 is calculated, to how many decimal places should the answer he... Problem 46QAP: How many digits after the decimal point should he reported when the calculation (10,434 9.3344) is... Problem 47QAP: Evaluate each of the following mathematical expressions, and express the answer to the correct... Problem 48QAP: Evaluate each of the following mathematical expressions, and express the answer to the correct... Problem 49QAP: Without actually performing the calculations indicated,tell to how many significant digits the... Problem 50QAP: Without actually performing the calculations indicated, tell to how many significant digits the... Problem 51QAP: How many significant digits should be used to report the answer to each of the following... Problem 52QAP: Evaluate each of the following and write the answer to the appropriate number of significant... Problem 53QAP: A represents a ratio based on an equivalence statement between two measurements. Problem 54QAP: How many significant figures are understood for the numbers in the following definition: 1 in. =... Problem 55QAP: Given that 1 mi = 1760 yd, determine what conversion factor is appropriate 10 Convert 1849 yd to... Problem 56QAP: Given that 1 in. = 2.54 cm exactly, indicate what conversion factor is appropriate to convert 3.25... Problem 57QAP: For Exercises 57 and 58, apples cost $1.75 per pound. . What conversion factor is appropriate to... Problem 58QAP: For Exercises 57 and 58, apples cost $1.75 per pound. What conversion factor is appropriate to... Problem 59QAP: Perform each of the following conversions, being sure to set up the appropriate conversion factor in... Problem 60QAP: Perform each of the following conversions, being sure to set up the appropriate conversion factor in... Problem 61QAP: Perform each of the following conversions, being sure to set up the appropriate conversion factor in... Problem 62QAP: Perform each of the following conversions, being sure to set up the appropriate conversion factor in... Problem 63QAP: 12.01 g of carbon contains6.021023 carbon atoms. What is the mass in grams of1.891025 carbon atoms? Problem 64QAP: Los Angeles and Honolulu are 2558 mi apart. What is this distance in kilometers? Problem 65QAP: The United States has high-speed trains running between Boston and New York capable of speeds up to... Problem 66QAP: The radius of an atom is on the order of1010 m. What is this radius in centimeters? In inches? In... Problem 67QAP: The temperature scale used in everyday life in most of the world except the United States is the... Problem 68QAP: The point of water is at 32° on the Fahrenheit temperature scale. Problem 69QAP Problem 70QAP: The freezing point of water is _________ K. Problem 71QAP: On both the Celsius and Kelvin temperature scales, there are degrees between the normal freezing and... Problem 72QAP: On which temperature scale (°F, °C, or K) does 1 degree represent the smallest change in... Problem 73QAP: Make the following temperature conversions: 44.2 °C to kelvins 891 K to °C 20 °C to kelvins 273.1 K... Problem 74QAP: Carry out the indicated temperature conversions. 153 °F to kelvins 153 °C to kelvins 555 °C to... Problem 75QAP: Convert the following Fahrenheit temperatures to Celsius degrees. a chilly morning ¡n early autumn.... Problem 76QAP: Convert the following Celsius temperatures to Fahrenheit degrees. the boiling temperature of ethyl... Problem 77QAP: The “Chemistry in Focus” segmentTiny Thermometersstates that the temperature range for the carbon... Problem 78QAP: Perform the indicated temperature conversions. 275 K to °C 82 °F to °C 21 °C to °F 40 °F to °C... Problem 79QAP Problem 80QAP: The most common units for density are ___________. Problem 81QAP: A kilogram of lead occupies a much smaller volume than a kilogram of water because _________ has a... Problem 82QAP: If a solid block of glass, with a volume of exactly 100 in.3, is placed in a basin of water that is... Problem 83QAP: Is the density of a gaseous substance likely to be larger or smaller than the density of a liquid or... Problem 84QAP: What property of density makes it useful as an aid in identifying substances? Problem 85QAP: Referring to Table 2.8, which substance listed is most dense? Which substance is least dense? For... Problem 86QAP: Referring to Table 2.8, determine whether magnesium, ethanol, silver, or salt is the least dense. Problem 87QAP: For the masses and volumes indicated, calculate the density in grains per cubic centimeter. mass =... Problem 88QAP: For the masses and volumes indicated, calculate the density in grams per cubic centimeter. mass =... Problem 89QAP: The element bromine at room temperature is a liquid with a density of 3. 12 g/mL. Calculate the mass... Problem 90QAP: Sunflower oil has a density of 0.920 g/mL. What is the mass of 4.50 L of sunflower oil? What volume... Problem 91QAP: If 1000. mL of linseed oil has a mass of 929 g. calculate the density of linseed oil. Problem 92QAP: A material will float on the surface of a liquid if the material has a density less than that of the... Problem 93QAP: Iron has a density of 7.87 g/cm3. If 52.4 g of iron is added to 75.0 mL of water in a graduated... Problem 94QAP: You want to make a rectangular box that weighs 2.0 pounds and floats on water. The width and height... Problem 95QAP: Use the information in Table 2.8 to calculate the volume of 50.0 g of each of the following... Problem 96QAP: Use the information in Table 2.8 to calculate the mass of 50.0 cm3 of each of the following... Problem 97AP: 97. Indicate the number of significant digits in the answer when each of the following expressions... Problem 98AP: Express each of the following as an “ordinary” decimalnumber. 3.0111023 5.091109 7.2102 1.234105... Problem 99AP: Write each of the following numbers in standard scientific notation, rounding off the numbers to... Problem 100AP: For the measurement 0.003040 meters, indicate which (if any) zeros are significant and which (if... Problem 101AP: Make the following conversions. 1 .25 in. to feet and to centimeters 2.12 qt to gallons and to... Problem 102AP: On the planet Xgnu, the most common units of length are the blim (for long distances) and the kryll... Problem 103AP: You pass a road sign saying “New York 110 km.” If you drive al a constant speed of 100. km/h, how... Problem 104AP: Which of the following statements is (are) true? A 1.00-liter bottle contains more soda than a... Problem 105AP: Suppose your car is rated at 45 mi/gal for highway use and 38 mi/gal for city driving. If you wanted... Problem 106AP Problem 107AP: For a pharmacist dispensing pills or capsules, it is often easier to weigh the medication to be... Problem 108AP: On the planet Xgnu, the natives have 14 fingers. On the official Xgnuese temperature scale (CX), the... Problem 109AP: For a material to float on the surface of water, the material must have a density less than that of... Problem 110AP: A gas cylinder having a volume of 10.5 L contains 36.8 g of gas. What is the density of the gas? Problem 111AP: Using Table 2.8, calculate the volume of 25.0 g of each of the following: hydrogen gas (at 1... Problem 112AP: Ethanol and benzene dissolve in each other. When 100. mL of ethanol is dissolved in 1.00 L of... Problem 113AP: When 2891 is written in scientific notation, the exponent indicating the power of 10 is . Problem 114AP: For each of the following numbers, if the number is rewritten in scientific flotation, will the... Problem 115AP: For each of the following numbers, if the number is rewritten in scientific notation, will the... Problem 116AP Problem 117AP: For each of the following numbers, by how many places must the decimal point be moved to express the... Problem 118AP: For each of the following numbers, by how many places must the decimal point be moved to express the... Problem 119AP: Express each of the following numbers in scientific (exponential) notation. 529 240,000,000... Problem 120AP: Express each of the following as an “ordinary” decimal number. 2.98105 4.358109 1.9928106 6.021023... Problem 121AP Problem 122AP Problem 123AP Problem 124AP: Draw a piece of lab glassware that can appropriately measure the volume of a liquid as 32.87 mL. Problem 125AP: Which distance is farther, 100 km or 50 mi? Problem 126AP: 1L= ________dm3= ________cm3= ________mL Problem 127AP: The volume 0.250 L could also be expressed as mL. Problem 128AP: The distance 10.5 cm could also be expressed as m. Problem 129AP: Would an automobile moving at a constant speed of 100 km/h violate a 65-mph speed limit? Problem 130AP: Which weighs more, 0.001 g of water or 1 mg of water? Problem 131AP: Which weighs more, 4.25 g of gold or 425 mg of gold? Problem 132AP: The length 500 m can also be expressed as nm. Problem 133AP: A perfect cube of unknown elemental composition has a length of 1.40 m on each side. The mass of the... Problem 134AP: You are working on a project where you need the volume of a box. You take the length, height, and... Problem 135AP: Indicate the number of significant figures in each of the following: This book contains over 500... Problem 136AP Problem 137AP: Round off each of the following numbers to the indicated number of significant digits. 0.75555 to... Problem 138AP Problem 139AP Problem 140AP Problem 141AP Problem 142AP: A rectangular solid measures 1.0 in by 2.4 mm by 3.9 dm. What is the volume in liters? Problem 143AP: Perform each of the following conversions, being sure to set up clearly the appropriate conversion... Problem 144AP: Perform each of the following conversions, being sure to setup clearly the appropriate conversion... Problem 145AP: The mean distance from the earth to (he sun ismi. What is this distance in kilometers? in... Problem 146AP: Given that one metric ton = 1000 kg, how many metric tons are inlb? Problem 147AP: Convert the following temperatures to kelvins. 0°C 25°C 37°C 100°C 175°C 212°C Problem 148AP: Carry out the indicated temperature conversions. 175 °F to kelvins 255 K to Celsius degrees 45 F to... Problem 149AP: For the masses and volumes indicated, calculate the density in grams per cubic centimeter. mass =... Problem 150AP: A sample of a liquid solvent has a density of 0.915 g/mL. What is the mass of 85.5 mL of the liquid? Problem 151AP: An organic solvent has a density of 1.31 g/mL. What volume is occupied by 50.0 g of the liquid? Problem 152AP: A solid metal sphere has a volume of 4.2 ft3. The mass of the sphere is 155 lb. Find the density of... Problem 153AP: A sample containing 33.42 g of metal pellets is poured into a graduated cylinder initially... Problem 154AP Problem 155AP Problem 156AP Problem 157AP Problem 158AP Problem 159CP: Complete the following table: Number Exponential Notation Number of Significant Figures 900.0 3007... Problem 160CP: For each of the mathematical expressions given: a. Tell the correct number of significant figures... Problem 161CP: The longest river in the world is the Nile River with a length of 4145 mi. How long is the Nile in... Problem 162CP: Secretariat is known as the horse with the fastest run in the Kentucky Derby. If Secretariat’s... Problem 163CP: A friend tells you that it is 69. 1 °F outside. What is this temperature in Celsius? Problem 164CP: The hottest temperature recorded in the United States is 134 °F in Greenland Ranch, California. The... Problem 165CP: The density of osmium (the densest metal) is22.57g/cm3 . What is the mass of a block of osmium with... Problem 166CP: The radius of a neon atom is 69 pm, and its mass is3.351023 g. What is the density of the atom in... format_list_bulleted
