1 Introduction To Chemistry And Introduction To Active Learning 2 Matter And Energy 3 Measurement And Chemical Calculations 4 Introduction To Gases 5 Atomic Theory : The Nuclear Model Of The Atom 6 Chemical Nomenclature 7 Chemical Formula Relationships 8 Chemical Reactions 9 Chemical Change 10 Quantity Relationships In Chemical Reactions 11 Atomic Theory :the Quantum Model Of The Atom 12 Chemical Bonding 13 Structure And Shape 14 The Ideal Gas Law And Its Applications 15 Gases,liquids, And Solids 16 Solutions 17 Acid-base(proton Transfer) Reactions 18 Chemical Equilibrium 19 Oxidation-reduction(electron Transfer) Reactions 20 Nuclear Chemistry 21 Organic Chemistry 22 Biochemistry Chapter3: Measurement And Chemical Calculations
Chapter Questions Section: Chapter Questions
Problem 1CLE: Equivalency, conversion factor, solving quantitative problems, analyze, identify, construct, check. Problem 2CLE: Metric system, SI units, derived unit, base unit Problem 3CLE Problem 4CLE Problem 5CLE Problem 1E: Write the following numbers in scientific notation: a 0.000322, b 6, 030, 000, 000, c... Problem 2E Problem 3E: Write the following numbers in ordinary decimal form: a 5.12 x 106, b 8.04 x 10-7, c 1.92 x 1021. Problem 4E: Write the ordinary form of the following numbers: a 2.32 x 10-2, b 9.27 x 104 c 8.96 x 10-4 Problem 5E Problem 6E Problem 7E Problem 8E Problem 9E Problem 10E Problem 11E: Complete the following operations: a)6.38107+4.01108=?b)1.291069.94107=? Problem 12E Problem 13E: What is the mathematical criterion for two quantities to be equivalent? Problem 14E: Sixty seconds and minute are equivalent quantities. Explain why this is true. Problem 15E: Write the equivalency for each conversion factor:... Problem 16E: Write the equivalency for each conversion factor:... Problem 17E: Write the equivalency and both conversion factors for each relationship: a Ten dimes is one dollar.... Problem 18E: Write the equivalency and both conversion factors for each relationship: a A pack of gum is 9... Problem 19E Problem 20E Problem 21E: How long will it take to travel the 406 miles between Los Angeles and San Francisco at an average... Problem 22E: A student who is driving home for the holidays averages 70.5 miles per hour. How many miles will the... Problem 23E: How many minutes does it take a car traveling 88 km/hr to cover 4.3 km? Problem 24E: How many days are in 89 weeks? Problem 25E: What will be the cost in dollars for nails for a fence 62 feet long if you need 9 nails per foot of... Problem 26E: A student working for Stop and Shop is packing eggs into cartons that contain a dozen eggs. How many... Problem 27E: An American tourist in Mexico was startled to see 259 on a menu as the price for a meal. However,... Problem 28E: How many nickels should you receive in exchange for 89 quarters? Problem 29E: How many weeks are in a decade? Problem 30E: How many seconds are in the month of January? Problem 31E: List at least two measurements that would be routinely made in a health care clinic. Problem 32E: List at least two measurements that would be made by a team of chemists studying the worlds oceans. Problem 33E: A woman stands on a scale in an elevator in a tall building. The elevator starts going up, rises... Problem 34E: A person can pick up a large rock that is submerged in water near the shore of a lake but may not be... Problem 35E: What is the metric unit of length? Problem 36E: What is the metric unit of mass? Problem 37E: Kilo buck is a slang expression for a sum of money. How many dollars are in a kilo buck? How about a... Problem 38E: What is the difference between the terms kilo unit and kilo gram? Problem 39E: One milliliter is equal to how many liters? Problem 40E: How many centimeters are in a meter? Problem 41E: Which unit, megagrams or grams, would be more suitable for expressing the mass of an automobile?... Problem 42E: What is the name of the unit whose symbol is nm? Is it a long distance or a short distance? How long... Problem 43E: a 5.74 cg to g, b 1.41 kg to g, c 4.54 x 108 cg to mg Problem 44E: a 15.3 kg to g and mg, b 80.5 g to kg and mg, c 58.5 mg to kg and g Problem 45E: a 21.7 m to cm, b 517 m to km, c 0.666 km to cm Problem 46E: a 90.4 mm to m and cm, b 11.9 m to mm and cm, c 53.6 cm to mm and m Problem 47E: a 494 cm3 to mL, b 1.91 L to mL, c 874 cm3 to L Problem 48E: a 90.8 mL to L and cm3, b 16.9 L to mL and cm3, c 65.4 cm 3 to mL and L. Problem 49E: a 7.11 hg to g, b 5.27 x 107 m to pm, c 3.63 x 106 g to dag. Problem 50E: a 0.194 Gg to g, b 5.66 nm to m, c 0.00481 Mm to cm Problem 51E: State the volume of liquid in each graduated cylinder in the figure below and explain how you... Problem 52E: How long is the object measured with the rulers shown? The ruler is calibrated in inches. Explain... Problem 53E: The same volume of liquid is in each measuring instrument pictured below volume delivered by the... Problem 54E: Why is the length of the line in the illustration below reported as 2.55 in. with one ruler and as... Problem 55E Problem 56E Problem 57E Problem 58E: a 52.20 mL helium, b 17.963 g nitrogen, c 78.45 mg MSG, d 23, 642, 000 mm wavelength, e 0.0041962 kg... Problem 59E: A moving-van crew picks up the following items: a couch that weighs 147 pounds, a chair that weighs... Problem 60E: A solution is prepared by dissolving 2.86 grams of sodium chloride, 3.9 grams of ammonium sulfate,... Problem 61E Problem 62E: An empty beaker has a mass of 94.33 grams. After some chemical has been added, the mass is 101.209... Problem 63E: The mole is the SI unit for the amount of a substance. The mass of one mole of pure table sugar is... Problem 64E: Exactly 1 liter of a solution contains 31.4 grams of a certain dissolved substance. What mass in... Problem 65E: An empty beaker with a mass of 42.3 g is filled with a liquid, and the resulting mass of the liquid... Problem 66E: Use the definition density ; mass 4 volume to calculate the density of a liquid with a volume of... Problem 67E: 0.0715 gal = _____ c m 3 2.27 x 10 4 mL = _____ g a l Problem 68E: 19.3 L = _____ gal 0 .461 qt = _____ L Problem 69E: A popular breakfast cereal comes in a box containing 515 g. How many pounds lb of cereal is this? Problem 70E: A copy of your chemistry textbook is found to have a mass of 2.60 x103 grams. What is the mass of... Problem 71E: The payload of a small pickup truck is 1450 pounds assume three significant figures. What is this in... Problem 72E: The Hope diamond is the worlds largest blue diamond. It weighs 45.52 carats. If 1 carat is defined... Problem 73E: There is 115 mg of calcium in a 100-g serving of whole milk. How many grams of calcium is this? How... Problem 74E: The largest recorded difference of weight between spouses is 922 lb. The husband weighed 1020 lb,... Problem 75E: An Austrian boxer reads 69.1 kg when he steps on a balance scale in his gymnasium. Should he be... Problem 76E: A woman gives birth to a 7.5-lb baby. How would a hospital using metric units record this babys... Problem 77E: The height of Angel Falls in Venezuela is 979 m. How high is this in a yards; b feet? Problem 78E: A penny is found to have a length of 1.97 centimeters. What is the length of this penny in inches? Problem 79E: The Willis Tower in Chicago is 1451 feet tall. How high is this in meters? Problem 80E: What is the length of the Mississippi River in kilometers if it is 2.3 x 103 miles long? Problem 81E: The summit of Mount Everest is 29, 029 ft above sea level. Express this height in kilometers. Problem 82E: One of the smallest brilliant-cut diamonds ever crafted had a diameter of about 1/50 in. 0.02 in..... Problem 83E: An office building is heated by oil-fired burners that draw fuel from a 619-gal storage tank.... Problem 84E: A gas can is found to have a volume of 9.10 liters. What is the volume of this gas can in gallons? Problem 85E: Celsius Fahrenheit Kelvin 69 -29 111 36 358 -141 Problem 86E: Celsius Fahrenheit Kelvin 40 590 -13 229 440 -314 Problem 87E: Normal body temperature is 98.6 F. What is this temperature is Celsius degrees? Problem 88E: In the winter, a heated home in the Northeast might be maintained at a temperature of 74 F. What is... Problem 89E: Energy conservationists suggest that air conditioners should be set so that they do not turn on... Problem 90E: The milting point of an unknown solid is determined to be 49.0 C. What is this temperature on the... Problem 91E: The worlds highest shade temperature was recorded in Libya at 58.0 C. What is its Fahrenheit... Problem 92E: The boiling point of a liquid is calculated to be 454 K. What is this temperature on the Celsius and... Problem 93E Problem 94E Problem 95E Problem 96E Problem 97E Problem 98E Problem 99E Problem 100E Problem 101E Problem 102E: Rank the substances in the photograph from least dense to most dense. Explain your reasoning. Problem 103E: Calculate the density of benzene, a liquid used in chemistry laboratories, if 166 g of benzene fills... Problem 104E: A general chemistry student found a chunk of metal in the basement of a friends house. To figure out... Problem 105E: Densities of gases are usually measured in grams per liter g/L. Calculate the density of air if the... Problem 106E Problem 107E: Ether, a well-known anesthetic, has a density of 0.736g/cm3. What is the volume of 471 g of ether? Problem 108E Problem 109E: Determine the mass of 2.0 L rubbing alcohol, which has a density of 0.786 g/mL. Problem 110E: Calculate the volume occupied by 15.4 grams of nickel, which has density of 8.91 g/mL. Problem 111E: The mass of the liquid in the graduated cylinder shown here is 7.304 g. What is the density of the... Problem 112E Problem 113E: Distinguish precisely and in scientific terms the differences among items in each of the following... Problem 114E: Determine whether each statement that follows is true or false: a The SI system includes metric... Problem 115E: How tall are you in a meters; b decimeters; c centimeters; d millimeters? Which of the four metric... Problem 116E: What do you weigh in a milligrams; b grams; c kilograms? Which of these units do you think is best... Problem 117E: Standard printer and copier paper is the United States is 81/2 in. by 11 in. What are these... Problem 118E: The density of aluminium is 2.7 g/cm3. An ecology minded student has gathered 126 empty aluminium... Problem 119E: What is the average density of a single marble shown here? The total mass of the three marbles is... Problem 120E: A woman has just given birth to a bouncing 6 lb, 7 oz baby boy. How should she describe the weight... Problem 121E: A students drivers license lists her height as 5 feet, 5 inches. What is her height in meters? Problem 122E: How many grams of milk are in a 12.0 fluid-ounce glass? The density of milk is 64.4 lb/ft3. There... Problem 123E: The fuel tank in an automobile has a capacity of 11.8 gal. If the density of gasoline is 42.0... Problem 124E: A welcome rainfall caused the temperature to drop by 33 F after a sweltering day in Chicago. What is... Problem 125E: At high noon on the lunar equator the temperature may reach 243 F. At night the temperature may sink... Problem 126E: A recipe calls for a quarter cup of butter. Calculate its mass in grams if its density is 0.86 g/cm3... Problem 127E Problem 128E: In Active Example 3-29 you calculated that you would have to work six weeks to earn enough money to... Problem 1PE: Write each of the following in scientific notation: a 3, 887.5; b 409, 809, 089 c 0.000022; d... Problem 2PE: Write each of the following numbers in ordinary decimal form: a 0.011 x 10 -3 ; b 14.3 x 10 -2; d... Problem 3PE Problem 4PE Problem 5PE: How many seconds are in 12 minutes? Problem 6PE Problem 7PE Problem 8PE Problem 9PE Problem 10PE Problem 11PE Problem 12PE Problem 13PE: What is the volume of liquid in the buret in the illustration? Note that the volumes on a buret,... Problem 14PE Problem 15PE: Round off each of the following quantities to two significant figures: a 25.55 mL; b 0.00254 m; c... Problem 16PE Problem 17PE: At a certain temperature, 0.878 g of a pure liquid substance occupies 1.00 mL. What is the volume of... Problem 18PE Problem 19PE Problem 20PE Problem 21PE Problem 22PE Problem 23PE Problem 24PE Problem 25PE: The mass of a 50.00-milliliter sample of methanol is 39.59 grams. Determine the density of methanol. Problem 26PE Problem 27PE: Determine the mass in kilograms of a lead brick that is 15 cm long, 8 cm wide, and 3 cm tall. Problem 28PE Problem 29PE Problem 58E: a 52.20 mL helium, b 17.963 g nitrogen, c 78.45 mg MSG, d 23, 642, 000 mm wavelength, e 0.0041962 kg...
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Radio Waves travel at the speed of light , which is 3.00X108 m/s. How many kilometers will a radio message to outer space travel in exactly one year? (365.24 days=1 year)
Definition Definition Rate at which light travels, measured in a vacuum. The speed of light is a universal physical constant used in many areas of physics, most commonly denoted by the letter c . The value of the speed of light c = 299,792,458 m/s, but for most of the calculations, the value of the speed of light is approximated as c = 3 x 10 8 m/s.
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