Introductory Chemistry, Books a la Carte Plus MasteringChemistry with eText -- Access Card Package (5th Edition)
5th Edition
ISBN: 9780321934604
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 2, Problem 101E
Ethylene glycol (antifreeze) has a density of
a. What is the mass in grams of 387 mL of ethylene glycol?
b. What is the valume in liters of 3046 kg of ethylene glycol?
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5. Calculate the total amount of heat transferred as 50 g of wat Specific heat H₂O (g) 2.00 J/g°C
-10 °C.
Specific heat H₂O (1)
Specific heat H₂O (s)
4.18 J/g°C
2.11 J/g°C
Heat of vaporization
2260 J/g
Heat of fusion
334 J/g
Melting point
0°C
6. Calculate the total amount of heat transferred as 25 g of
water is heated from 50 °C to 100 °C as a gas.
Boiling point
100 °C
Calculate the total amount of heat
transferred as 50 g of Water -10°C.
Calculate the total amount of heat
transferred as 25 g of water is heated
from 50°C to 100°C as a gas.
\table[[Specific heat H₂O(g), 2.00°C
Η
2
g
5. Calculate the total amount of heat transferred as 50 g of wat Specific heat H₂O (g) 2.00 J/g°C
-10 °C.
4.18 J/g°C
2.11 J/g°C
2260 J/g
334 J/g
Specific heat H₂O (1)
Specific heat H₂O (s)
Heat of vaporization
Heat of fusion
Melting point
6. Calculate the total amount of heat transferred as 25 g of
water is heated from 50 °C to 100 °C as a gas.
Boiling point
100 °C
0°C
Write formulas for ionic compounds composed of the following ions.
Use units as a guide to your solutions.
24. sodium and nitrate
25. calcium and chlorate
26. aluminum and carbonate
27.
CHALLENGE Write the formula for an ionic compound formed by ions from a group 2 element and polyatomic ions composed of only carbon and oxygen.show work step by step
Chapter 2 Solutions
Introductory Chemistry, Books a la Carte Plus MasteringChemistry with eText -- Access Card Package (5th Edition)
Ch. 2 - Q1.Express the number 0.000042 in scientific...Ch. 2 - Q2. A graduated cylinder has markings every...Ch. 2 - How many significant figures are in the number...Ch. 2 - Round the number 89.04997 to three significant...Ch. 2 - Q5.Perform this multiplication to the correct...Ch. 2 - Q6.Perform this addition to the correct number of...Ch. 2 - Q7. Perform this calculation to the correct number...Ch. 2 - Convert 76.8 cm to m. a. 0.0768 m b. 7.68 m c....Ch. 2 - Q9.Convert 2855 mg to kg.
a.
b. 2.855 kg
c....Ch. 2 - Q10. A runner runs 4875 ft in 6.85 minutes. What...
Ch. 2 - An automobile travels 97.2 km on 7.88 L of...Ch. 2 - Convert 876.9 in.3 tom3. a. 0.01437m3 b. 22.27 m3...Ch. 2 - Q14. A cube measures 2.5cm on each edge and has a...Ch. 2 - What is the mass of 225 mL of a liquid that has a...Ch. 2 - Q16. What is the edge length of a 155-g iron cube?...Ch. 2 - 1. Why is it necessary to include units when...Ch. 2 - Why are the number of digits reported in...Ch. 2 - Why is scientific notation useful?Ch. 2 - If a measured quantity is written correctly, which...Ch. 2 - 5. When do zeros count as significant digits, and...Ch. 2 - 6. How many significant digits are there in exact...Ch. 2 - 7. What limits the number of significant digits in...Ch. 2 - What limits the number of significant digits in a...Ch. 2 - 9. How do we determine significant figures in...Ch. 2 - What are the rules for rounding number?Ch. 2 - 11. What are the basic SI units of length, mass,...Ch. 2 - 12. List the common units of volume.
Ch. 2 - Suppose you are trying to measure the diameter of...Ch. 2 - What is the difference between mass and weight?Ch. 2 - 15. Using a metric ruler, measure these objects to...Ch. 2 - Using a stopwatch, measure each time to the...Ch. 2 - Explain why units are important in calculations.Ch. 2 - How are units treated in a calculation?Ch. 2 - 19. What is a conversion factor?
Ch. 2 - Why does the fundamental value of a quantity not...Ch. 2 - Write the conversion factor that converts a...Ch. 2 - Write conversion factors for each. a. miles to...Ch. 2 - This book outlines a four-step problem-solving...Ch. 2 - Experienced problem solvers always consider both...Ch. 2 - 25. Draw solution map to convert a measurement in...Ch. 2 - Draw a solution map to convert a measurement in...Ch. 2 - 27. Draw a solution map to convert a measurement...Ch. 2 - Draw a solution map to convert a measurement in...Ch. 2 - What density? Explain why density can work as a...Ch. 2 - Explain how you would calculate the density of a...Ch. 2 - Prob. 31ECh. 2 - Prob. 32ECh. 2 - Note: The exercises in the problems section are...Ch. 2 - Express each number in scientific notation. a....Ch. 2 - 35. Express each number in decimal notation (i.e.,...Ch. 2 - 36. Express each number in decimal notation (i.e.,...Ch. 2 - 37. Express each number in decimal notation (i.e.,...Ch. 2 - 38. Express each number in decimal notation (i.e.,...Ch. 2 - 39. Complete the table.
Decimal...Ch. 2 - Complete the table. Decimal Notation Scientific...Ch. 2 - 41. Read each instrument to the correct number of...Ch. 2 - Read each instrument to the correct number of...Ch. 2 - For each measured quantity, underline the zeros...Ch. 2 - For each measured quantity, underline the zeros...Ch. 2 - How many significant figures are in each measured...Ch. 2 - Significant Figures
46. How many significant...Ch. 2 - 47 Correct any entries in the table that are...Ch. 2 - Correct any entries in the table that are wrong....Ch. 2 - Round each number to four significant figures. a....Ch. 2 - Round each number to three significant figures. a....Ch. 2 - 51. Round each number to two significant...Ch. 2 - 52. Round each number to three significant...Ch. 2 - 53. Each number is supposed to be rounded to three...Ch. 2 - Each number is supposed to be rounded to two...Ch. 2 - Round the number on the left to the number of...Ch. 2 - 56. Round the number on the left to the number of...Ch. 2 - Perform each calculation to the correct number of...Ch. 2 - Perform each calculation to the correct number of...Ch. 2 - 59. Correct any answers that have the incorrect...Ch. 2 - 60. Correct any answers that have the incorrect...Ch. 2 - Perform each calculation to the correct number of...Ch. 2 - Perform each calculation to the correct number of...Ch. 2 - Correct any answers that have the incorrect number...Ch. 2 - Correct any answers that have the incorrect number...Ch. 2 - Perform each calculation to the correct number of...Ch. 2 - 66. Perform each calculation to the correct number...Ch. 2 - Correct any answers that have the incorrect number...Ch. 2 - Correct any answers that have the incorrect number...Ch. 2 - Perform each conversion. a.3.55 kg to grams b.8944...Ch. 2 - Perform each conversion. a.155.5 cm to meters...Ch. 2 - Perform each conversion. a.5.88 dL to liters b....Ch. 2 - 72. Perform each conversion.
a.1.08 Mm to...Ch. 2 - Perform each conversion. a. 22.5 in. to...Ch. 2 - Perform each conversion. a. 78.3 in. to...Ch. 2 - Perform each conversion. a.40.0 cm to inches b....Ch. 2 - 76. Perform each conversion.
a.254 cm to inches
b....Ch. 2 - 77. Complete the...Ch. 2 - 78. Complete the...Ch. 2 - 79. Convert g to each unit.
a.kg
b.Mg
c.mg
d....Ch. 2 - Convert 188106 g to each unit. a. mg b. cg c. ng...Ch. 2 - A student loses 3.3 lb in one month. How many...Ch. 2 - 82. A student gains 1.9 lb in two weeks. How many...Ch. 2 - A runner wants to run 10.0 km. She knows that her...Ch. 2 - A cyclist rides at an average speed of 24 mi/h. If...Ch. 2 - 85. A recipe calls for 5.0 qt of milk. What is...Ch. 2 - A gas can hold 2.0 gal of gasoline. What is this...Ch. 2 - 87. Fill in the blanks.
a.
b.
c.
Ch. 2 - Prob. 88ECh. 2 - The hydrogen atom has a volume of approximately...Ch. 2 - 90. Earth has a surface area of 197 million square...Ch. 2 - 91. A house has an area of What is its area in...Ch. 2 - A classroom has a volume of 285m3. What is its...Ch. 2 - Total U.S farmland occupies 954 million acres. How...Ch. 2 - 94. Total average U.S farm occupies 435 acres. How...Ch. 2 - A sample of an unknown metal has a mass of 35.4...Ch. 2 - A new penny has a mass 2.49 g and a valume of...Ch. 2 - Glycerol is a syrupy liquid often used in...Ch. 2 - 102. An aluminum engine block has a valume of 4.77...Ch. 2 - A supposedly gold crown is tested to determine its...Ch. 2 - 104. A vase is said to be solid platinum. It...Ch. 2 - Ethylene glycol (antifreeze) has a density of...Ch. 2 - Acetone (fingernailpolish remover) has density of...Ch. 2 - A thief uses a bag of sand to replace a gold...Ch. 2 - One of the particles in an atom is the proton. A...Ch. 2 - A block of metal has a volume 13.4in.3 and weight...Ch. 2 - 110. A log is either oak or pine. it displaces 2.7...Ch. 2 - 111. The density of aluminum is . What is its...Ch. 2 - 112. The density of platinum is . What is its...Ch. 2 - A typical backyard swimming pool holds 150 yd3 of...Ch. 2 - 114. An iceberg has a volume of . What is the mass...Ch. 2 - The mass of fuel in an airplane must be determined...Ch. 2 - Prob. 112ECh. 2 - Honda produces a hybrid electric car called the...Ch. 2 - You rent a car in Germany with a gas mileage...Ch. 2 - Prob. 115ECh. 2 - 120. A hybrid SUV consumes fuel at a rate of 12.8...Ch. 2 - Prob. 117ECh. 2 - Consider these observations on two blocks of...Ch. 2 - 123. You measure the masses and volumes of two...Ch. 2 - A bag contains a mixture of copper and lead BBs....Ch. 2 - Prob. 121ECh. 2 - A copper cube has a mass of 87.2 g. Find the edge...Ch. 2 - 127. Recall from Section 2.1 that NASA lost the...Ch. 2 - 28. A NASA satellite showed that in 2012 the ozone...Ch. 2 - 129. In 1999, scientists discovered a new class of...Ch. 2 - 130. A titanium bicycle frame contains the same...Ch. 2 - 132. The following statements are all true.
a....Ch. 2 - Convert the height of each group member from feet...
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- ADDITIONAL PRACTICE PRACTICE Problems Write formulas for ionic compounds composed of the following ions. Use units as a guide to your solutions. 24. sodium and nitrate 25. calcium and chlorate 26. aluminum and carbonate 27. CHALLENGE Write the formula for an ionic compound formed by ions from a group 2 element and polyatomic ions composed of only carbon and oxygen. ounds 1998arrow_forward7:35 < Dji Question 19 of 22 5G 50% Submit What is the pH of a buffer made from 0.350 mol of HBrO (Ka = 2.5 × 10-9) and 0.120 mol of KBRO in 2.0 L of solution? | 1 2 3 ☑ 4 5 6 C 7 8 ☐ 9 +/- Tap here for additional resources ||| 0 ×10 Гarrow_forwardaw the major substitution products you would expect for the reaction shown below. If substitution would not occur at a significant rate under these conditions, check the box underneath the drawing area instead. Be sure you use wedge and dash bonds where necessary, for example to distinguish between major products. Note for advanced students: you can assume that the reaction mixture is heated mildly, somewhat above room temperature, but strong heat or reflux is not used. B C Br HO O Substitution will not occur at a significant rate. Explanation Check + Х Click and drag to start drawing a structure. © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibarrow_forward
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