1 Matter, Measurement, And Problem Solving 2 Atoms And Elements 3 Molecules, Compounds, And Chemical Equations 4 Chemical Quantities And Aqueous Reactions 5 Gases 6 Thermochemistry 7 The Quantum-mechanical Model Of The Atom 8 Periodic Properties Of The Elements 9 Chemical Bonding I: The Lewis Model 10 Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, And Molecular Orbital Theory 11 Liquids, Solids, And Intermolecular Forces 12 Solutions 13 Chemical Kinetics 14 Chemical Equilibrium 15 Acids And Bases 16 Aqueous Ionic Equilibrium 17 Free Energy And Thermodynamics 18 Electrochemistry 19 Radioactivity And Nuclear Chemistry expand_more
Chapter Questions expand_more
Problem 1.1P: For Practice 1.1 Is each change physical or chemical? Which kind of property (chemical or physical)... Problem 1.2P Problem 1.3P Problem 1.3MP Problem 1.4P: Record the temperature on the thermometer shown here to the correct number of digits. Problem 1.5P: For Practice 1.5 How many significant figures are in each number? a. 554 km b. 7 pennies c. 1.01105... Problem 1.6P: Perform the calculations to the correct number of significant figures.
a.
b.
c.
d.
Problem 1.7P Problem 1.8P: Convert 9255 cm3 to gallons.
Problem 1.9P Problem 1.9MP Problem 1.10P: Backpackers often use canisters of white gas to fuel a cooking stove's burner. If one canister... Problem 1.10MP Problem 1.11P: For Practice 1.11
Find the radius (r)of an aluminum cylinder that is 2.00 cm long and has a mass of... Problem 1.12P Problem 1SAQ Problem 2SAQ: Q2. This image represent a particulate view of a sample of matter. Classify the sample acoording to... Problem 3SAQ Problem 4SAQ: Which property of rubbing alcohol is a chemical property? a. its density (0.786 g/cm3) b. its... Problem 5SAQ Problem 6SAQ Problem 7SAQ: Q7. Determine the mass of a 1.75 L sample of a liquid that has a density of 0.921 g/mL.
a. g
b. g... Problem 8SAQ Problem 9SAQ: Q9. Perform the calculation to the correct number of significant figures
a. 0.1698867
b. 0.17
c.... Problem 10SAQ Problem 11SAQ Problem 12SAQ Problem 13SAQ Problem 14SAQ Problem 15SAQ Problem 1E: 1. Classify each statement as an observation, a law, or a theory.
a. All matter is made of tiny,... Problem 2E: Classify each statement as an observation, a law or a theory. a. Chlorine is a highly reactive gas.... Problem 3E: A chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the... Problem 4E: 4. When astronomers observe distant galaxies, they can tell that most of them are moving away Iron... Problem 5E: 5. Classify each substance as a pure substance or a mixture. If it is a pure substance classify it... Problem 6E: 6. Classify each substance as a pure substance or a mixture. If it is a pure substance classify it... Problem 7E: 7. Complete the table.
Substance Pure or mixture Type
aluminum pure element
apple juice - -
hydrogen... Problem 8E: 8. Complete the table.
Substance Pure or... Problem 9E: 9. Determine whether each molecular diagram represents a pure substance or a mixture. If it... Problem 10E: 10. Determine whether each molecular diagram represents a pure substance or a mixture. If it... Problem 11E: 11. Several properties of isopropyl alcohol (also known as rubbing alcohol) are listed hero.... Problem 12E: 12. Several properties of ozone (a pollutant in the lower atmosphere, but part of a protective... Problem 13E: 13. Classify each property as physical or chemical
a. the tendency of ethyl alcohol to burn
b. the... Problem 14E: 14. Classify each property as physical or chemical.
a. the boding point of ethyl alcohol
b. the... Problem 15E: 15. Classify each change as physical or chemical.
a. Natural gas burns in a stove.
b. The liquid... Problem 16E: 16. Classify each change as physical or chemical.
a. Sugar burns when heated on a skillet.
b. Sugar... Problem 17E: 17. Based on the molecular digram, classify each change as physical or chemical.
Problem 18E: Based on the molecular diagram, classify each change as physical or chemical. Problem 19E: 19. Convert each temperature.
a. 32 °F to °C (temperature at which water freezes)
b. 77 K to °F... Problem 20E: 20. Convert each temperature.
a. 212 °F to °C (temperature of boiling water at sea level)
b. 22 °C... Problem 21E: 21. The coldest temperature ever measured m the United States is -80 °F on January 23, 1971, in... Problem 22E: 22. The warmest temperature ever measured in the United States is 134 °F on July 10, 1913, in Death... Problem 23E: 23. Use the prefix multipliers to express each measurement without any exponents.
a. s
b. g
c. L
d.... Problem 24E: 24. Use scientific notation to express each quantity with only the base units (no prefix... Problem 25E: Complete the table: a. 1245kg 1.245106 g 1.245109 mg b. 515km ______dm ______cm c. 122.355s ______ms... Problem 26E: 26. Express the quantity 254,998 m in each unit. a. km
b.Mm
c.mm
d.cm
Problem 27E: 27. How many 1 cm squares would it take to construct a square that is 1 m on each side?
Problem 28E: 28. How many 1 cm cubes would it take to construct a cube that is 4 cm on edge?
Problem 29E: 29. A new penny has a mass of 2.49 g and a volume of 0.349cm3. Is the penny made of pure copper?
Problem 30E: 30. A titanium bicycle frame displaces 0.314 L of water and has a mass of 1.41 kg. What is the... Problem 31E: 31. Glycerol is a syrupy liquid often used in cosmetics and soaps. A3.25-L. sample of pure glycerol... Problem 32E: 32. A supposedly gold nugget is tested to determine its density. It is found to displace 193 ml of... Problem 33E: 33. Ethylene glycol (antifreeze) has a density of 1.11 g/cm3.
a. What is the massing of 417 mL of... Problem 34E: 34. Acetone (nail polish remover) Pies a density of 0.7857 g/cm3.
a. What is the mass, in g, of... Problem 35E: 35. Read each measurment to the correct number of significant figures. Laboratory glassware should... Problem 36E: Read each measurement to the correct number of significant figures. Note: Laboratory glassware... Problem 37E: 37. For each measurement, underline the zeroes that are significant end draw an x through the zeroes... Problem 38E: 38. For each measurement underline the zeroes that are significant end draw an x through the zeroes... Problem 39E: 39. How many significant figures are in each measurement?
a. 0.000312 m
b. 312,000 s
c. km
d.... Problem 40E: 40. How many significant figures are in each measurement?
a. 0.1111 S
b. 0.007 m
c. 108,700 km... Problem 41E: 41. Which quantities are exact numbers and therefore have an unlimited number of significant... Problem 42E: 42. Indicate the number of significant figures in each quantity. If the number is an exact number,... Problem 43E: 43. Round each number to four significant figures.
a. 156.852
b. 156.842
c. 156.849
d. 156.899
Problem 44E: 44. Round each number to three significant figures.
a. 79,845.82
b.
c. 2.3499999995
d.... Problem 45E: 45. Perform each calculation to the correct number of significant figures
a.
b.
c.
d.
Problem 46E: 46. Perform each calculation to the correct number of significant figures.
a.
b.
c.
d.
Problem 47E: 47. Perform each calculation to the correct number of Significant figures.
a.
b.
c.
d.
Problem 48E Problem 49E: 49. Perform each calculation to the correct number of significant figures.
a.
b.
c.
d.
Problem 50E Problem 51E: 51. A flask containing 117 mL of a liquid weighs 132.8g with the liquid in the flask and 124.1g when... Problem 52E: 51. A flask containing 11.7 mL of a liquid weighs 132.8 g with the liquid in the flask and 124.1 g... Problem 53E: 53. Perform each unit conversion.
a. 27.8 L to cm3
b. 1898 mg to kg
c. 198 km to cm
Problem 54E: 54. Perform each unit conversion.
a. 28.9 nm to ?m
b. 1432 cm3 to L
c. 1211 Tm to Gm
Problem 55E: 55. Perform each unit conversion between the English and metric systems.
a. 228 cm to in
b. 255 kg... Problem 56E: 56. Perform each unit conversion between the English and metric systems.
a. 2.71 in to mm
b. 58 fl... Problem 57E: 57. A runner wants to run 10.0 km at a pace of 7.5 miles per hour. How many minutes must she run?
Problem 58E: 58. A cyclist rides at an average speed of 24 miles per hour. If she wants to bike 195km, how long... Problem 59E:
59. A European automobile has a gas mileage of 14 km/ L. What is the gas mileage in miles per... Problem 60E:
60. A gas can holds 5.0 gallons of gasoline. What is this quantity in cm3?
Problem 61E: 61. A modest-sized house has an area of 195m2. What is its area in:
a. km2
b. dm2
c. cm2
Problem 62E: 62. A bedroom has a volume of 115 m3. What is its volume in:
a. km3
b. dm3
C. cm3
Problem 63E Problem 64E: Total U.S. farmland occupies 954 million acres. How many square miles is this? (1 acre=43.560 ft2, 1... Problem 65E Problem 66E Problem 67E Problem 68E Problem 69E: 69. Classify each property as intensive or extensive.
a. volume
b. boiling point
c. temperature... Problem 70E: 70. At what temperatures are the readings on the Fahrenheit and Celsius thermometers the same?
Problem 71E: 71. Suppose you have designed a new thermometer called the X thermometer. On the X scale the boiling... Problem 72E: On a new Jekyll temperature scale water freezes at 17 °J and boils at 97 °J. On another new... Problem 73E: 73. Do each calculation without using your calculator and give the answers to the correct number of... Problem 74E: 74. The value of the euro was recently $l.38 U.S. and the price of 1 liter of gasoline in France is... Problem 75E Problem 76E: 76. The proton has a radius of approximately cm and a mass of g. Determine the density of a proton.... Problem 77E Problem 78E Problem 79E Problem 80E Problem 81E Problem 82E Problem 83E: The Toyota Prius, a hybrid electric vehicle, has an EPA gas mileage rating of 52 mi/gal in the city.... Problem 84E Problem 85E Problem 86E Problem 87E: A length of #8 copper wire (radius = 1.63 mm) has a mass of 24.0 kg and a resistance of 2.1 ohm per... Problem 88E Problem 89E Problem 90E Problem 91E Problem 92E Problem 93E: Nanotechnology, the field of building ultra-small structures one atom at a time, has progressed in... Problem 94E Problem 95E: A box contains a mixture of small copper spheres and small lead spheres. The total volume of both... Problem 96E Problem 97E Problem 98E Problem 99E: A cube has an edge length of 7 cm. If it is divided up into 1 cm cubes, how many 1 cm cubes are... Problem 100E Problem 101E: For each box, examine the blocks attached to the balances. Based on their positions and sizes,... Problem 102E format_list_bulleted