Chemistry: The Central Science (14th Edition)
Chemistry: The Central Science (14th Edition)
14th Edition
ISBN: 9780134414232
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Chapter 3.5, Problem 3.13.1PE

A 2.144-g sample of phosgene, a compound used as a chemical warfare agent during World WarI, contains 0.260 g of carbon, 0.347 g of oxygen, and 1.537 g of chlorine. What is the empiricalformula of this substance?
a. C O 2 C l 6
b. C O C L 2
c. C o .022 O 0.022 C l 0.044
d. C 2 O C l 2

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An unknown compound comprised of osmium and chlorine is 40.11% osmium by mass. a. If you assume 100.0 g of the compound, what is the mass in grams of osmium that are present in the compound? b. How many moles of osmium are present in 100.0 g of the compound? c. If you assume 100.0 g of the compound, what is the mass in grams of chlorine that are present in the compound? d. How many moles of chlorine are present in 100.0 g of the compound? e. Determine the empirical formula of the unknown compound. f. What is the IUPAC name of the compound?
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Chapter 3 Solutions

Chemistry: The Central Science (14th Edition)

Ch. 3.3 - What is the percentage of nitrogen, by mass, in...Ch. 3.3 - Calculate the percentage of potassium by mass in...Ch. 3.4 - Which of the following samples contains the fewest...Ch. 3.4 - Without using a calculator, arrange these samples...Ch. 3.4 - How many sulfur are in (a) 0.45 mol BaSo4 and (b)...Ch. 3.4 - How many oxygen atoms are in (a) 0.25 mol...Ch. 3.4 - A sample of an ionic compound containing iron and...Ch. 3.4 - Calculate the molar mass of Ca(NO3)2Ch. 3.4 - A 508-g sample of sodium bicarbonate (NaHCO3)...Ch. 3.4 - Prob. 3.10.2PECh. 3.4 - What is the mass, in grams, of 6.33 mol of NaHC03...Ch. 3.4 - What is the mass, in grams, of (a) 0.50 mol of...Ch. 3.4 - How many chlorine atoms are in 12.2 g of CCL4? a....Ch. 3.4 - a. How many nitric acid molecules are in 4.20 g...Ch. 3.5 - A 2.144-g sample of phosgene, a compound used as a...Ch. 3.5 - A 5.325-g sample of methyl benzoate, a compound...Ch. 3.5 - Cyclohexane a commonly used organic solvent, is...Ch. 3.5 - Prob. 3.14.2PECh. 3.5 - The compound dioxane, which is used as a solvent...Ch. 3.5 - a. Caproic acid, responsible for the odor of...Ch. 3.6 - Sodium hydroxide reacts with carbon dioxide to...Ch. 3.6 - Decomposition of KCIO3 is sometimes used to...Ch. 3.6 - Propane, C3 H8 (Figure 3.8), is a common fuel used...Ch. 3.6 - Methanol, CH3OH, reacts with oxygen from air in a...Ch. 3.7 - When 24 mol of methanol and 15 mol of oxygen...Ch. 3.7 - a. When 1.50 mol of Al and 3.00 mol of Cl2 combine...Ch. 3.7 - Molten gallium reacts with arsenic to form the...Ch. 3.7 - When a 2.00-g strip of zinc metal is placed in...Ch. 3.7 - If 3.00 g of titanium metal is reacted with 6.00 g...Ch. 3.7 - Imagine you are working on ways to improve the...Ch. 3 - The reaction between reactant A (blue spheres) and...Ch. 3 - The following diagram shows the combination...Ch. 3 - 3.3 The following diagram represents the...Ch. 3 - 3.4 The following diagram represents the...Ch. 3 - Glycine, an amino acid used by organisms to make...Ch. 3 - The following diagram represents a...Ch. 3 - 3.7 Nitrogen (N2) and hydrogen (H2) react to form...Ch. 3 - 3.8 Nitrogen monoxide and oxygen react to form...Ch. 3 - Write "true" or "false" for each statement. a. We...Ch. 3 - A key step in balancing chemical equations is...Ch. 3 - Balance the following equations: a. CO(g)...Ch. 3 - Balance the following equations 3. Li(s) + N2(g)...Ch. 3 - 3.13 Balance the following equations: A14C3(s) +...Ch. 3 - 3.14 Balance the following equations: a. Ca3P2(s)...Ch. 3 - 3.15 Write balanced chemical equations...Ch. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - 318 a. When a compound containing C, H, and O is...Ch. 3 - Write a balanced chemical equation for the...Ch. 3 - 3.20 Write a balanced chemical equation for the...Ch. 3 - Balance the following equations and indicate...Ch. 3 - Balance the following equations and indicate...Ch. 3 - Determine the formula weights of each of the...Ch. 3 - 3.24 Determine the formula weights of each of the...Ch. 3 - Calculate the percentage by mass of oxygen in the...Ch. 3 - Calculate the percentage by mass of the indicated...Ch. 3 - Based on the following structural formulas,...Ch. 3 - Calculate the percentage of carbon by mass In each...Ch. 3 - Write "true' or 'Yalse' for each statement a- A...Ch. 3 - a. 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Combustion analysis of toluene, a common...Ch. 3 - a. The characteristic odor of pineapple is due to...Ch. 3 - 3.57 Valproic acid, used to treat seizures and...Ch. 3 - Propenoic acid, C3H4O2, is a reactive organic...Ch. 3 - 3.59 Washing soda, a compound used to prepare...Ch. 3 - 3.60 Epsom salts, a strong laxative used in...Ch. 3 - f 3461 Hydrofluoric acid, HF(aq), cannot be stored...Ch. 3 - The reaction between potassium superoxide, KO2,...Ch. 3 - 3,63 Several brands of antacids use Al(OH)3 to...Ch. 3 - 3.64 An iron ore sample contains Fe2O3 together...Ch. 3 - Aluminum sulfides reacts with water to form...Ch. 3 - Calcium hydride reacts with water to form calcium...Ch. 3 - 3.67 Automotive air bags infilate when sodium...Ch. 3 - The complete combustion of octane, Cngs, a...Ch. 3 - 3.69 A piece of aluminum foil 1.00 cm2 and...Ch. 3 - Detonation of nitroglycerin proceeds as follows:...Ch. 3 - 3.71 The combustion of one mole of liquid...Ch. 3 - The combustion of one mole of liquid octane,...Ch. 3 - a. Define the terms limiting reactant and excess...Ch. 3 - Define the terms theoretical yield, actual yield,...Ch. 3 - 3-75 Consider the mixture of ethanol, C2H5OH, and...Ch. 3 - Consider the mixture of propane, C3H8, and O2...Ch. 3 - 3-77 Sodium hydroxide reacts with carbon doxidc...Ch. 3 - 3.78 Aluminum hydroxide reacts with sulfuric acid...Ch. 3 - The fizz produced when an Alka-Seltzer tablet is...Ch. 3 - One of the steps in the commercial procas for...Ch. 3 - Solutions of sodium carbonate and silver nitrate...Ch. 3 - Solutions of sulfuric acid and Iead (ll) acetate...Ch. 3 - When benzene (C6H6) reacts with bromine (Br2),...Ch. 3 - When ethane (C6H6) reacts with chlorine (Cl2), the...Ch. 3 - 3.85 Hydrogen sulfide is an impurity in natural...Ch. 3 - 386 When hydrogen sulfide gas is bubbled into a...Ch. 3 - 387 Write the balanced chemical equations for a....Ch. 3 - If 1.5 mol C2H5OH, 1.5 mol C3H8, and 1.5 mol...Ch. 3 - 3.89 The effectiveness of nitrogen fertilizers...Ch. 3 - 3.90 a. The molecular formula of acetylsalicylic...Ch. 3 - Very small semiconductor crystals, composed of...Ch. 3 - a. 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