Chemistry In Focus
6th Edition
ISBN: 9781305084476
Author: Tro, Nivaldo J., Neu, Don.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 44E
A thief plans to steal a bar of gold from a woman’s purse and replace it with a bag of sand. Assume that the volumes of the gold and the sand are 350 mL each and that the density of sand is
a. Calculate the mass of each object.
b. Would the woman notice a difference in the weight of her purse?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
4. Calculate the density of the following materials for which the mass and volume of samples have been measured. Express the density of liquids in g/mL, the density of solids in g/cm3, and the density of gases in g/L.
a. 250 mL of liquid mercury metal (Hg) has a mass of 3400 g.
b. 500. mL of concentrated liquid sulfuric acid (H2SO4) has a mass of 925 g.
c. 5.00 L of oxygen gas has a mass of 7.15 g.
d. A 200-cm3block of magnesium metal (Mg) has a mass of 350 g.
7. I used to run at a pace of 8.3 mi/hr. Convert that speed to kilometers per minute.
a. How many minutes did it take me to run one kilometer?
b. What is my pace in minutes per mile?
(HINT: You are starting over in this problem, get numbers from the original question)
8. My dog Bucky used to eat 2.5 cups of food per day. Each cup of dog food weighs about 0.261 lbs. If a 40 lb bag of
food costs $38, how much money will it cost to feed him for his life span of about 14 years?
1. An Olympic-size pool is 50.0 m long and 25.0 m wide.
a. How many gallons of water (density = 1.0 g/mL) are needed to fill the pool to an
average depth of 4.8 ft?
b. What is the mass (in kg) of water in the pool?
Chapter 2 Solutions
Chemistry In Focus
Ch. 2 - The volume of a liquid can be measured with a...Ch. 2 - Scientific Notation Express the number 0.0000023...Ch. 2 - Prob. 2SCCh. 2 - Prob. 3SCCh. 2 - Converting Between Units Convert 34.0 cm to...Ch. 2 - Prob. 2.3YTCh. 2 - Extracting Information from Graphical Data The...Ch. 2 - Solving Word Problems...Ch. 2 - Solving Word Problems Involving Units Raised to a...Ch. 2 - Prob. 2.7YT
Ch. 2 - Prob. 2.8YTCh. 2 - Without doing any calculations, determine whether...Ch. 2 - Prob. 1ECh. 2 - Prob. 2ECh. 2 - Prob. 3ECh. 2 - What is the difference between reporting the...Ch. 2 - Prob. 5ECh. 2 - Prob. 6ECh. 2 - Prob. 7ECh. 2 - Prob. 8ECh. 2 - Prob. 9ECh. 2 - What is a conversion factor? Give two examples of...Ch. 2 - Prob. 11ECh. 2 - Identify the decimal part, the exponential part,...Ch. 2 - What is density? Give two examples of possible...Ch. 2 - Since oil floats on water, what can you say about...Ch. 2 - Express each of the following in scientific...Ch. 2 - Express each of the following numbers in...Ch. 2 - Express each of the following in decimal notation:...Ch. 2 - Express each of the following in decimal notation:...Ch. 2 - The circumference of Earth at the equator is...Ch. 2 - The distance from New York to Los Angeles is 2777...Ch. 2 - A can of soda contains 12 fluid ounces. What is...Ch. 2 - A laboratory beaker can hold 150mL. How many fluid...Ch. 2 - A car has a fuel efficiency of 27 miles per...Ch. 2 - A European rental car can travel 17 km on a liter...Ch. 2 - Perform each of the following conversions within...Ch. 2 - Perform each of the following conversions within...Ch. 2 - Prob. 27ECh. 2 - Perform the following conversions between the...Ch. 2 - A pond has a surface area of 1552m2. Convert this...Ch. 2 - An orange has a volume of 54cm3. Convert this...Ch. 2 - Prob. 31ECh. 2 - Prob. 32ECh. 2 - A runner runs at a pace of 8.5 minutes per mile....Ch. 2 - A driver drives an average speed of 58 miles per...Ch. 2 - A sports utility vehicle gets 12 miles per gallon...Ch. 2 - A hybrid electric vehicle (HEV) is a car with both...Ch. 2 - The following graph shows the concentration of an...Ch. 2 - The following graph shows the historical...Ch. 2 - A 28.4-cm3 sample of titanium has a mass of...Ch. 2 - A 1.5-cm3 sample of silicon has a mass of 3.5 g....Ch. 2 - A 5.00-L sample of pure glycerol has a mass of...Ch. 2 - A 3.80-mL sample of mercury has a mass of 51.4g....Ch. 2 - Ethylene glycol (antifreeze) has a density of...Ch. 2 - A thief plans to steal a bar of gold from a womans...Ch. 2 - Prob. 45ECh. 2 - A proton has a radius of approximately 110-13 cm...Ch. 2 - What did Einstein mean when he said, The most...Ch. 2 - Prob. 48ECh. 2 - Prob. 49ECh. 2 - Prob. 50ECh. 2 - Prob. 51ECh. 2 - Consider each of the following balances. Which one...Ch. 2 - Each of the following coins is photographed to...Ch. 2 - Obtain an outdoor thermometer and record the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- What is the mass of a 43.8-mL sample of gasoline, which has a density of 0.70 g/cm3?arrow_forwardWhen a mixture of aluminum powder and iron(III) oxide is ignited, it produces molten iron and aluminum oxide. In an experiment, 5.40 g of aluminum was mixed with 18.50 g of iron(III) oxide. At the end of the reaction, the mixture contained 11.17 g of iron, 10.20 g of aluminum oxide, and an undetermined amount of unreacted iron(III) oxide. No aluminum was left. What is the mass of the iron(III) oxide?arrow_forward1.84 A student was given two metal cubes that looked similar. One was 1.05 cm on an edge and had a mass of 14.32 grams; the other was 2.66 cm on a side and had a mass of 215.3 grams. How can the student determine if these two cubes of metal are the same material using only the data given?arrow_forward
- 1.89 Imagine that you place a cork measuring 1.30cm4.50cm3.00cm in a pan of water. On top of this cork, you place a small cube of lead measuring 1.15 cm on a side. Describe how you would determine if the combination of the cork and lead cube will still float in the water. Note any information you would need to look up to answer the question.arrow_forwardReferring to Table 2.8, which substance listed is most dense? Which substance is least dense? For the two substances you have identified, for which one would a 1.00-g sample occupy the larger volume?arrow_forward1.69 The “Western Stone” in Jerusalem is one of the largest stone building blocks ever to have been used. It has a mass of 517 metric tons and measures 13.6 m long, 3.00 m high and 3.30 m wide. What is the density of this rock in g/cm3? (1 metric ton 1000 kg)arrow_forward
- Visit this PhET density simulation (http://openstaxcollege.org/l/16phetmasvolden) and select Custom Blocks and then My Block. Enter mass and volume values for the block such that the mass in kg is less than the volume in L. What does the block do? Why? Is this always the case when mass volume How would (a) and (b) be different if the liquid in the tank were ethanol instead of water How would (a) and (b) be different if the liquid in the tank were mercury instead of waterarrow_forward1.18 Two golfers are practicing shots around a putting green. Each golfer takes 20 shots. Golfer 1 has 7 shots within 1 meter of the hole, and the other 13 shots are scattered around the green. Golfer 2 has 17 shots that go into a small sand trap near the green and 3 just on the green near the trap. Which golfer is more precise? Which is more accurate?arrow_forwardFor the pin shown in Fig. 2.5, why is the third figure determined for the length of the pin uncertain? Considering that the third figure is uncertain, explain why the length of the pin is indicated as 2.85 cm rather than, for example, 2.83 or 2.87 cm.arrow_forward
- Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. Its solubility in water at 20C is 54.6 g/100 g. At 80C, its solubility is 66.1 g/100 g. A mixture is made up of 16.2 g of magnesium chloride and 38.2 g of water at 20C. (a) Is the mixture homogeneous? If it is, how many more grams of magnesium chloride are required to make a saturated solution? If the mixture is not homogeneous, how many grams of magnesium chloride are undissolved? (b) How many more grams of magnesium chloride are needed to make a saturated solution at 80C?arrow_forwardA 500-mL bottle of Evian bottled water contains 12 mg magnesium. The recommended daily allowance of magnesium for adult women is 320 mg/day. Calculate how many 1-L bottles of Evian a woman would have to drink to obtain her total daily allowance of magnesium solely in this way.arrow_forwardBromine is a red-brown liquid with a density of 3.10 g/mL. A sample of bromine weighing 88.5 g occupies what volume?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Measurement and Significant Figures; Author: Professor Dave Explains;https://www.youtube.com/watch?v=Gn97hpEkTiM;License: Standard YouTube License, CC-BY
Trigonometry: Radians & Degrees (Section 3.2); Author: Math TV with Professor V;https://www.youtube.com/watch?v=U5a9e1J_V1Y;License: Standard YouTube License, CC-BY