Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 20QAP
Round off the following quantities to the indicated number of significant figures.
(a) 17.2509 cm (4 significant figures)
(b) 168.51 1b (3 significant figures)
(c) 500.22 °C (3 significant figures)
(d) 198.500 oz (3 significant figures)
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Express the results of the following multiplications and
divisions to the proper number of significant figures. All of
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4.7791
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10566.9
(c)
3.584 × 1029
(d) (5.247 × 10'3) × (1.3 × 10-17) =
Write the following numbers in standard notation. Use a ter-minal decimal point when needed:(a) 6.500*10^3(b) 3.46*10^5(c) 7.5*10^2(d) 1.8856*10^2
How many significant figures are there in each of the following?(a) 81.0 ± 0.8
(b) 3.827 ✕ 109
(c) 2.94 ✕ 10−6
(d) 0.0015
Chapter 1 Solutions
Chemistry: Principles and Reactions
Ch. 1 - Classify each of the following as element,...Ch. 1 - Classify each of the following as element,...Ch. 1 - Classify the following as solution or...Ch. 1 - Classify the following as solution or...Ch. 1 - Prob. 5QAPCh. 1 - Prob. 6QAPCh. 1 - Write the symbol for the following elements. (a)...Ch. 1 - Prob. 8QAPCh. 1 - Write the name of the element represented by the...Ch. 1 - Write the name of the element represented by the...
Ch. 1 - What instrument would you use to determine (a) the...Ch. 1 - What instrument would you use to (a) measure the...Ch. 1 - A glass of lukewarm milk is suggested for people...Ch. 1 - A recipe for apple pie calls for a preheated 350F...Ch. 1 - Gallium is one of the few metals that can melt at...Ch. 1 - Computers are not supposed to be in very warm...Ch. 1 - How many significant figures are in each of the...Ch. 1 - How many significant figures are there in each of...Ch. 1 - Round off the following quantities to the...Ch. 1 - Round off the following quantities to the...Ch. 1 - Prob. 21QAPCh. 1 - Prob. 22QAPCh. 1 - Which of the following statements use only exact...Ch. 1 - Which of the following statements use only exact...Ch. 1 - A basketball game at the University of...Ch. 1 - A listing of a house for sale states that there...Ch. 1 - Calculate the following to the correct number of...Ch. 1 - Perform the indicated calculations. Write your...Ch. 1 - Prob. 29QAPCh. 1 - The volume of a square pyramid is (1/3)Bh where B...Ch. 1 - Write the appropriate symbol in the blank (,,or=)....Ch. 1 - Write the appropriate symbol in the blank (,,or=)....Ch. 1 - Convert 22.3 mL to (a) liters (b) in3 (c) quartsCh. 1 - Convert 0.2156 L to (a) mL (b) in3 (c) quartsCh. 1 - The height of a horse is usually measured in...Ch. 1 - At sea, distances are measured in nautical miles...Ch. 1 - The unit of land measure in the English system is...Ch. 1 - A gasoline station in Manila, Philippines, charges...Ch. 1 - A lap in most tracks in the United States is 0.25...Ch. 1 - Cholesterol in blood is measured in milligrams of...Ch. 1 - Prob. 41QAPCh. 1 - The area of the 48 contiguous states is 3.02106...Ch. 1 - Prob. 43QAPCh. 1 - In the old pharmaceutical system of measurements,...Ch. 1 - The cup is a measure of volume widely used in...Ch. 1 - The egg whites from four large eggs occupy a...Ch. 1 - A metal slug weighing 25.17 g is added to a flask...Ch. 1 - A solid with an irregular shape and a mass of 11.3...Ch. 1 - A waterbed filled with water has the dimensions...Ch. 1 - Wire is often sold in pound spools according to...Ch. 1 - Air is 21% oxygen by volume. Oxygen has a density...Ch. 1 - The unit for density found in many density tables...Ch. 1 - Magnesium sulfate (MgSO4) has a solubility of 38.9...Ch. 1 - Potassium sulfate has a solubility of 15 g/ 100 g...Ch. 1 - Sodium bicarbonate (baking soda) is commonly use...Ch. 1 - Magnesium chloride is an important coagulant used...Ch. 1 - The solubility of lead nitrate at 100C is 140.0...Ch. 1 - Radiation exposure to human beings is usually...Ch. 1 - The following data refer to the element...Ch. 1 - A supersaturated sugar solution (650.0 g sugar in...Ch. 1 - The density of wind-packed snow is estimated to be...Ch. 1 - The dimensions of aluminum foil in a box for sale...Ch. 1 - The Kohinoor Diamond (d=3.51g/cm3) is 108 carats....Ch. 1 - A pycnometer is a device used to measure density....Ch. 1 - Prob. 65QAPCh. 1 - Label each of the properties of iodine as...Ch. 1 - How do you distinguish (a) chemical properties...Ch. 1 - What is the difference between (a) mass and...Ch. 1 - Mercury, ethyl alcohol, and lead are poured into a...Ch. 1 - How many significant figures are there in the...Ch. 1 - Consider the following solubility graph. (a) At...Ch. 1 - Given the following solubility curves, answer the...Ch. 1 - A Different civilization on a distant planet has...Ch. 1 - At what point is the temperature in F exactly...Ch. 1 - Prob. 75QAPCh. 1 - A laboratory experiment requires 12.0 g of...Ch. 1 - An average adult breathes about 8.50103 L of air...Ch. 1 - A student determines the density of a metal by...
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