Chemistry In Focus
7th Edition
ISBN: 9781337399692
Author: Tro, Nivaldo J.
Publisher: Cengage Learning,
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 16E
Express each of the following numbers in scientific notation:
a. 19,570,261 (population of New York state)
b. 7,190,900,000 (world population)
c. 0.00000000007461 m (length of a hydrogen- hydrogen
d. 0.000015 m (diameter of a human hair)
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
47. A swimming pool is 7.5 ft deep, 42 ft wide, and 65 ft long, and it is filled to the brim with water.
What is the volume of water in the pool in hectoliters? Use conversion factors/ dimesional analysis.
Write the following numbers in scientific notation.a. 0.0045834 mm c. 438,904 sb. 0.03054 g d. 7,004,300,000 g
Just number 42.
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
- 9. A fish company delivers 22 kg of salmon, 05.5 g of crab, and 300.48 mg of oysters to your seafood restaurant. a. What is the total mass, in kg, of the seafood? b. What is the total number of pounds?arrow_forwardIt is known that the density of mercury is 13.54 times the density of water. What volume of this mercury in liters would weigh the same as 0.020m^3 of fuel oil, when the fuel oil weighs 9.42kN for every cubic meter? a. 71 b. 1.42 c. 1.7 d. 2.4arrow_forwardA. Type the number 1340000 in scientific notation. B. Type the number 0.000354 in scientific notation. C. Type the number 3.14×103 in standard notation.arrow_forward
- A woman is planning on running a 10K (10.0 km) race. a. How many yards will she race? (1 yard = 3 feet)a. What is the distance of this race in miles? (1 mile = 5280 feet)c. If she completes the race in 47.4 minutes, what is her average pace in miles per hour?arrow_forwardIII > f. Is the density of the solution an intensive property or an extensive property? 8. Create a concept map that illustrates the relationship between scientific notation and unit prefixes. 9. A balloon is filled with helium at a temperature of 25.0°C. a. Calculate the temperature of the helium in degrees Fahrenheit. b. Calculate the temperature of the helium on the Kelvin scale. c. Gas density decreases with increasing temperature. What would you observe if you heated the balloon? d. Gas density increases with decreasing temperature. What would you observe if you cooled the balloon? e. Is helium a pure substance or a mixture? f. Is helium an element or a compound? 10. The diameter of an aluminum atom is 250 picometers (pm) (1 pm = 10-¹2 m). How many aluminum atoms must be placed end to end to make a "chain" of aluminum atoms 1 ft long? Design credits: A Human Perspective group of people, kristian sekulic/Getty Images; A Medical Perspective otoscope, Martin Barraud/age fotostock;…arrow_forwardWhich of the following numbers conforms to the scientific notation conventions? A. 0.123 x 109 B. -1.23 x 1012 C. 1.23 x 102.1 D. 12.3 x 106arrow_forward
- Calculate the density of an object that weighs 25.8 g and has a volume 5.2 cm3, density = g/cm3. A.4.96 B.5.0 C.0.202 D.5arrow_forward1. The following are properties of the metal aluminum. Classify them as physical or chemical It generates a colorless, odorless gas when added to sulfuric acid. b. It can easily be formed into thin foils. It is a solid at room temperature. d. It is a good conductor of heat. a. C. 2. Classify each of the following changes as physical or chemical. a. Crushing a dry leaf b. Hammering a metal into a thin sheet C. Burning your chemistry textbook d. Melting an ice cubearrow_forwardClassify the following as physical or chemical changes. a.Moth balls gradually vaporize in a closet. b.Hydrofluoric acid attacks glass and is used to etch calibra- tion marks on glass laboratory utensils. c. A French chef making a sauce with brandy is able to boil off the alcohol from the brandy, leaving just the brandy flavoring. d. Chemistry majors sometimes get holes in the cotton jeans they wear to lab because of acid spillsarrow_forward
- Intensive property is a property that does not depend on the amount of a substance. Which of the choices below is NOT an intensive property? C. hardness of metals D. heaviness of a golf ball B. yellowish coloration of urine A. the sweetness of candiesarrow_forwardDarrow_forwardComplete the table.a. 1245 kg 1.245 * 106 g 1.245 * 109 mgb. 515 km _____dm _____cmc. 122.355 s _____ms _____ksd. 3.345 kJ _____J _____mJarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Introductory Chemistry: An Active Learning Approa...
Chemistry
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Cengage Learning
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / 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