Modified Mastering Chemistry with Pears...6th EditionNivaldo J. Tro Publisher: PEARSONISBN: 9780134565620
Modified Mastering Chemistry with Pears...
Solutions for Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Introductory Chemistry (6th Edition)
Problem 2SAQ:
Q2. A graduated cylinder has markings every milliliter. Which measurement is accurately reported for...Problem 4SAQ:
Round the number 89.04997 to three significant figures. a. 89.03 b. 89.04 c. 89.1 d. 89.0Problem 6SAQ:
Q6.Perform this addition to the correct number of significant figures:
a. 20.488
b. 20.49
c. 20.5
d....Problem 7SAQ:
Q7. Perform this calculation to the correct number of significant figures:
a. 39
b. 39.1
c....Problem 10SAQ:
Q10. A runner runs 4875 ft in 6.85 minutes. What is the runner’s average speed in miles per...Problem 11SAQ:
An automobile travels 97.2 km on 7.88 L of gasoline. What is the gas mileage for the automobile in...Problem 14SAQ:
Q14. A cube measures 2.5cm on each edge and has a mass of 66.9g. Calculate the density of the...Problem 15SAQ:
What is the mass of 225 mL of a liquid that has a density of 0.880 g/mL? a. 198 g b. 0.0039 g c....Problem 16SAQ:
Q16. What is the edge length of a 155-g iron cube? (The density of iron is 7.86 g/cm3, and the...Problem 3E:
Why is scientific notation useful?Problem 4E:
If a measured quantity is written correctly, which digits are certain? Which are uncertain?Problem 6E:
6. How many significant digits are there in exact number? What kinds of numbers are exact?
Problem 7E:
7. What limits the number of significant digits in a calculation involving only multiplication and...Problem 8E:
What limits the number of significant digits in a calculation involving only addition and...Problem 9E:
9. How do we determine significant figures in calculations involving both addition/subtraction and...Problem 10E:
What are the rules for rounding number?Problem 12E:
12. List the common units of volume.
Problem 13E:
Suppose you are trying to measure the diameter of a Frisbee. What unit and prefix multiplier should...Problem 14E:
What is the difference between mass and weight?Problem 15E:
15. Using a metric ruler, measure these objects to the correct number of significant figures.
a....Problem 16E:
Using a stopwatch, measure each time to the correct number of significant figures. a. time between...Problem 17E:
Explain why units are important in calculations.Problem 18E:
How are units treated in a calculation?Problem 19E:
19. What is a conversion factor?
Problem 20E:
Why does the fundamental value of a quantity not change when you multiply the quantify by a...Problem 21E:
Write the conversion factor that converts a measurement in inches to feet. How does the conversion...Problem 22E:
Write conversion factors for each. a. miles to kilometers b. kilometers to liters c. gallons to...Problem 23E:
This book outlines a four-step problem-solving strategy. Describe each step and its significance. a....Problem 24E:
Experienced problem solvers always consider both the value and units of their answer to a problem....Problem 29E:
What density? Explain why density can work as a conversion factor. Between what quantities does it...Problem 30E:
Explain how you would calculate the density of a substance. Include a solution map in your...Problem 31E:
31. Express each number in scientific notation.
a. 38,802,000 (population of California)
b....Problem 32E:
Express each number in scientific notation. a. 7,376,000,000 (population of the world) b....Problem 33E:
Note: The exercises in the problems section are paired, and the answers to the odd-numbered...Problem 34E:
Express each number in scientific notation. a. 0.000000001 s (time it takes light to travel 1 ft) b....Problem 35E:
35. Express each number in decimal notation (i.e., express the number without using scientific...Problem 36E:
36. Express each number in decimal notation (i.e., express the number without using scientific...Problem 37E:
37. Express each number in decimal notation (i.e., express the number without using scientific...Problem 38E:
38. Express each number in decimal notation (i.e., express the number without using scientific...Problem 40E:
Complete the table. Decimal Notation Scientific Notation __________ 42103 315,171,000 ________...Problem 41E:
41. Read each instrument to the correct number of significant figure. Laboratory glassware should...Problem 42E:
Read each instrument to the correct number of significant figure. Laboratory glassw are should...Problem 43E:
For each measured quantity, underline the zeros that are significant and draw an x through the zeros...Problem 44E:
For each measured quantity, underline the zeros that are significant and draw an x through the zeros...Problem 45E:
How many significant figures are in each measured quantity? a. 0.001125 m b. 0.1125 m c. 1.12500104m...Problem 46E:
Significant Figures
46. How many significant figures are in each measured quality?
a. 13001 kg
b....Problem 47E:
47 Correct any entries in the table that are wrong.
Quantity Significant Figures
(a)895675...Problem 48E:
Correct any entries in the table that are wrong. Quantity Significant Figures (a)24 days 2 (b)...Problem 49E:
Round each number to four significant figures. a. 255.98612 b. 0.0004893222 c. 2.900856104 d....Problem 50E:
Round each number to three significant figures. a. 10,776.522 b. 4.999902106 c.1.3499999995...Problem 53E:
53. Each number is supposed to be rounded to three significant figures. Correct the ones that are...Problem 54E:
Each number is supposed to be rounded to two significant figures. Correct the ones that are...Problem 55E:
Round the number on the left to the number of significant figures indicated by the example in the...Problem 56E:
56. Round the number on the left to the number of significant figures indicated by the example in...Problem 57E:
Perform each calculation to the correct number of significant figures. a. 450030600391 b. 5.558.97...Problem 58E:
Perform each calculation to the correct number of significant figures. a. 89.377.00.08 b....Problem 59E:
59. Correct any answers that have the incorrect number of significant figures.
a.
b....Problem 60E:
60. Correct any answers that have the incorrect number of significant figures.
a. 45.3254 ×89.00205...Problem 61E:
Perform each calculation to the correct number of significant figures. a.87.6+9.888+2.3+10.77 b....Problem 62E:
Perform each calculation to the correct number of significant figures. a. 1459.3 + 9.77 + 4.32 b....Problem 63E:
Correct any answers that have the incorrect number of significant figures. a. (38105)(845105)=47105...Problem 64E:
Correct any answers that have the incorrect number of significant figures. a. 789+8904323=95102...Problem 65E:
Perform each calculation to the correct number of significant figures. a. (78.444.889)0.0087 b....Problem 66E:
66. Perform each calculation to the correct number of significant figures.
a.
b.(568.99...Problem 67E:
Correct any answers that have the incorrect number of significant figures. a. (7856944)456=3152 b....Problem 68E:
Correct any answers that have the incorrect number of significant figures. a. (908434)352104=0026 b....Problem 69E:
Perform each conversion. a.3.55 kg to grams b.8944 mm to meters c.4598 mg to kilograms d.0.0187 L to...Problem 70E:
Perform each conversion. a.155.5 cm to meters b.2491.6 g to kilograms c.248 cm to milliliters d....Problem 71E:
Perform each conversion. a.5.88 dL to liters b. 341105 g to micrograms c. 101108 s to nanoseconds d....Problem 72E:
72. Perform each conversion.
a.1.08 Mm to kilometers
b.4.88 fs to picoseconds
c. m to gigameters
d....Problem 73E:
Perform each conversion. a. 22.5 in. to centimeters b.126 ft to meters c.825 yd to kilometers d. 2.4...Problem 74E:
Perform each conversion. a. 78.3 in. to centimeters b.445 yd to meters c. 336 ft to centimeters d....Problem 75E:
Perform each conversion. a.40.0 cm to inches b. 27.8 m to feet c. 10.0 km to miles d. 3845 kg to...Problem 76E:
76. Perform each conversion.
a.254 cm to inches
b. 89 mm to inches
c. 7.5 L to quarts
d. 122 kg to...Problem 77E:
77. Complete the table.
m km Mm Gm Tm
_________ 508 Mm _______ ________
_________ _________ 27,976...Problem 83E:
A runner wants to run 10.0 km. She knows that her running pace is 7.5 mi/h. How many minutes must...Problem 84E:
A cyclist rides at an average speed of 24 mi/h. If he wants to bike 195 km, how long (in hours) must...Problem 87E:
87. Fill in the blanks.
a.
b.
c.
Problem 89E:
The hydrogen atom has a volume of approximately 6.21031m3. What is this volume in each unit? a....Problem 90E:
90. Earth has a surface area of 197 million square miles. What is its area in each unit?
a. square...Problem 92E:
A classroom has a volume of 285m3. What is its volume in each unit? a. km3 b. dm3 c. cm3Problem 95E:
95. The speed limit on many U.S highways is 65 mi/hr. Convert this speed into each alternative...Problem 96E:
96. A form of children’s Tylenol is sold as a suspension (in which the drug is suspended in water)...Problem 97E:
A prescription medication requires 7.55 mg per kg of body weight. Convert this quantity to the...Problem 98E:
A prescription medication requires 0.00225 g per lb of bady weight. Convert this quantity to the...Problem 99E:
A sample of an unknown metal has a mass of 35.4 and a volume of 3.11cm3. Calculate its density and...Problem 101E:
Glycerol is a syrupy liquid often used in cosmetics and soaps. A 2.50-l sample of pure glycerol has...Problem 102E:
102. An aluminum engine block has a valume of 4.77 L and a mass of 12.88 kg. what is the density of...Problem 103E:
A supposedly gold crown is tested to determine its density. It displaces 10.7 mL of water and has a...Problem 104E:
104. A vase is said to be solid platinum. It displaces 18.65 mL of water and has a mass of 157 g....Problem 105E:
Ethylene glycol (antifreeze) has a density of 1.11g/cm3 a. What is the mass in grams of 387 mL of...Problem 106E:
Acetone (fingernailpolish remover) has density of 0.7857g/cm3 a. What is the mass in grams of 17.56...Problem 107E:
A thief uses a bag of sand to replace a gold statue that sits on a weight-sensitive, alarmed...Problem 108E:
One of the particles in an atom is the proton. A proton has a radius of approximately 1.01013 cm and...Problem 109E:
A block of metal has a volume 13.4in.3 and weight 5.14 Ib. what is density in grams per cubic...Problem 110E:
110. A log is either oak or pine. it displaces 2.7 gal of water and weight 19.8 Ib. is the oak or...Problem 113E:
A typical backyard swimming pool holds 150 yd3 of water. What is the mass in pounds of the water?Problem 114E:
114. An iceberg has a volume of . What is the mass in kilograms of the iceberg? The density of ice...Problem 115E:
The mass of fuel in an airplane must be determined before takeoff. A jet contains 155,211 L of fuel...Problem 117E:
Honda produces a hybrid electric car called the Honda insight. The insight has both a...Problem 118E:
You rent a car in Germany with a gas mileage rating of 12.8 km/l. What is its rating in miles per...Problem 120E:
120. A hybrid SUV consumes fuel at a rate of 12.8 km/L. How many miles can the car travel on 22.5...Problem 122E:
Consider these observations on two blocks of different unknown metals: volume Block A 125 cm3 Block...Problem 123E:
123. You measure the masses and volumes of two cylinders. The mass of cylinder 1 is 1.35 times the...Problem 124E:
A bag contains a mixture of copper and lead BBs. The average density of the BBs is 9.87g/cm3....Problem 126E:
A copper cube has a mass of 87.2 g. Find the edge length of the cube. (The density of copper is...Problem 127E:
127. Recall from Section 2.1 that NASA lost the Mars Climate Orbiter because one group of engineers...Problem 128E:
28. A NASA satellite showed that in 2012 the ozone hole over Antarctica had a maximum surface area...Problem 129E:
129. In 1999, scientists discovered a new class of black hole with masses 100 to 10,000 times the...Problem 130E:
130. A titanium bicycle frame contains the same amount of titanium as a titanium cube measuring 6.8...Problem 131QGW:
Look up the thickness of a human hair. a. Convert it to an Sl standard unit (if it isnt already). b....Browse All Chapters of This Textbook
Chapter 1 - The Chemical WorldChapter 2 - Measurement And Problem SolvingChapter 3 - Matter And EnergyChapter 4 - Atoms And ElementsChapter 5 - Molecules And CompoundsChapter 6 - Chemical CompositionChapter 7 - Chemical ReactionsChapter 8 - Quantities In Chemical ReactionsChapter 9 - Electrons In Atoms And The Periodic TableChapter 10 - Chemical Bonding
Sample Solutions for this Textbook
We offer sample solutions for Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Introductory Chemistry (6th Edition) homework problems. See examples below:
Chapter 1, Problem 1SAQChapter 2, Problem 1SAQChapter 3, Problem 1SAQChapter 4, Problem 1SAQChapter 5, Problem 1SAQChapter 6, Problem 1SAQChapter 7, Problem 1SAQChapter 8, Problem 1SAQChapter 9, Problem 1SAQ
Chapter 10, Problem 1SAQReason for correct option: The average kinetic energy that arises due to motion of gas particles is...Chapter 12, Problem 1SAQChapter 13, Problem 1SAQChapter 14, Problem 1SAQChapter 15, Problem 1SAQChapter 16, Problem 1SAQReasons for Correct option: The atomic number and mass number of bismuth-214 is 83 and 214...Reason for correct option: Carbon contains four valence electrons in its outer shell. It forms...Reason for the correct option: The structure is: The above structure contains multiple hydroxyl...
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