4.68 The pictures below show a molecular-scale view of a chemical reaction between the compounds AB 2 and B 2 . (Green balls represent B atoms and orange balls are A atoms). The box on the left represents the reactants at the instant of mixing, and the box on the right shows what is left once the reaction has gone to completion. Was there a limiting reactant in this reaction? If so, what was it? Write a balanced chemical equation for this reaction. As usual, your equation should use the smallest possible whole number coefficients for all substances.

BuyFind

Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
Publisher: Cengage Learning
ISBN: 9781337398909
BuyFind

Chemistry for Engineering Students

4th Edition
Lawrence S. Brown + 1 other
Publisher: Cengage Learning
ISBN: 9781337398909

Solutions

Chapter
Section
Chapter 4, Problem 4.68PAE
Textbook Problem

4.68 The pictures below show a molecular-scale view of a chemical reaction between the compounds AB2 and B2. (Green balls represent B atoms and orange balls are A atoms). The box on the left represents the reactants at the instant of mixing, and the box on the right shows what is left once the reaction has gone to completion.

Chapter 4, Problem 4.68PAE, 4.68 The pictures below show a molecular-scale view of a chemical reaction between the compounds AB2

Was there a limiting reactant in this reaction? If so, what was it? Write a balanced chemical equation for this reaction. As usual, your equation should use the smallest possible whole number coefficients for all substances.

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Chapter 4 Solutions

Chemistry for Engineering Students
Ch. 4 - 4.4 Automobile exhaust often contains traces of...Ch. 4 - 4.5 Methane, ethane, and propane are also...Ch. 4 - 4.6 Use the web to research prices of gasoline at...Ch. 4 - For the following reactions, write the ratios that...Ch. 4 - 4.8 In an experiment carried out at very low...Ch. 4 - 4.9 Sulfur, S8, combines with oxygen at elevated...Ch. 4 - 4.10 How many moles of oxygen can be obtained by...Ch. 4 - 4.11 MTBE, C5H12O, is one of the additives that...Ch. 4 - 4.12 In petroleum refining, hydrocarbons are often...Ch. 4 - 4.13 For the following reactions, determine the...Ch. 4 - 4.14 The combustion of liquid chloroethylene,...Ch. 4 - 4.15 What mass of the unknown compound is formed...Ch. 4 - 4.16 Many metals react with halogens to give metal...Ch. 4 - 4.17 Phosgene is a highly toxic gas that has been...Ch. 4 - 4.18 A gas is either CH4, or C2H6. A 1.00-g sample...Ch. 4 - 4.19 How many metric tons of carbon are required...Ch. 4 - 4.20 Assuming a charcoal briquette is composed...Ch. 4 - 4.21 Ammonium nitrate, NH4NO3, will decompose...Ch. 4 - 4.22 Generally, an excess of O2 is needed for the...Ch. 4 - 4.23 In the reaction of arsenic with bromine,...Ch. 4 - 4.24 Ammonia gas can be prepared by the reaction...Ch. 4 - 4.25 When octane is combusted with inadequate...Ch. 4 - 4.26 The equation for one of the reactions in the...Ch. 4 - 4.27 Copper reacts with sulfuric acid according to...Ch. 4 - 4.28 One of the steps in the manufacture of nitric...Ch. 4 - 4.29 When Al(OH)3 reacts with sulfuric acid, the...Ch. 4 - 4.30 Copper reacts with nitric acid via the...Ch. 4 - 4.31 How much HNO3 can be formed in the following...Ch. 4 - 4.32 Hydrogen and oxygen are reacted and the water...Ch. 4 - 4.33 Silicon carbide, an abrasive, is made by the...Ch. 4 - 4.34 Define the term theoretical yield.Ch. 4 - 4.35 What types of events happen in chemical...Ch. 4 - 4.36 Sometimes students in chemistry labs...Ch. 4 - 4.37 The theoretical yield and the actual yield...Ch. 4 - 4.38 A reaction that produced 4.8 mg of taxol, an...Ch. 4 - Methanol, CH3OH, is used in racing cars because it...Ch. 4 - 4.40 When iron and steam react at high...Ch. 4 - 4.41 The percentage yield of the following...Ch. 4 - 4.42 Sulfur hexafluoride is a very stable gas...Ch. 4 - 4.43 Magnesium nitride forms in a side reaction...Ch. 4 - 4.44 Industrial production of hydrogen gas uses...Ch. 4 - 4.45 If 21 g of H2S is mixed with 38 g of O2 and...Ch. 4 - 4.46 A mixture of 10.0 g of NO and 14.0 g of NO2...Ch. 4 - 4.47 Silicon carbide is, an abrasive used in the...Ch. 4 - 4.48 Elemental phosphorous is used in the...Ch. 4 - 4.49 Small quantities of hydrogen gas can be...Ch. 4 - 4.50 Aluminum hydroxide can be dissolved in...Ch. 4 - 4.51 What is the role of an indicator in a...Ch. 4 - 4.52 What volume of 0.812 M HCl, in milliliters,...Ch. 4 - 4.53 What volume, in milliliters, of 0.512 M NaOH...Ch. 4 - 4.54 What is the molarity of a solution of nitric...Ch. 4 - Hydrazine, N2H4, is a weak base and can react with...Ch. 4 - 4.56 A metallurgical firm needs to dispose of 2.74...Ch. 4 - 4.57 Many mining operations produce tailings that...Ch. 4 - 4.58 A student dissolves 17.3 g of a mixture of...Ch. 4 - 4.59 Aluminum dissolves in HCI according to the...Ch. 4 - 4.60 Why are fuel additives used?Ch. 4 - 4.61 What is actually measured by the octane...Ch. 4 - 4.62 Offer an explanation as to how oxygenated...Ch. 4 - 4.63 Perform a web search to learn what...Ch. 4 - 4.64 Using the web, find information about the...Ch. 4 - 4.65 Using the web, find out how lead “poisons”...Ch. 4 - 4.66 If 3.4 mol Al is mixed with 1.5 times as many...Ch. 4 - 4.67 If 8.4 moles of disilane, Si2H6, are combined...Ch. 4 - 4.68 The pictures below show a molecular-scale...Ch. 4 - 4.69 The pictures below show a molecular-scale...Ch. 4 - 4.70 The particulate scale drawing shown depicts...Ch. 4 - 4.71 The particulate scale drawing shown depict...Ch. 4 - 4.72 The picture shown depicts the species present...Ch. 4 - 4.73 New chemistry students sometimes try to use...Ch. 4 - 4.74 Describe the most important characteristics a...Ch. 4 - 4.75 Oxygen gas was discovered in the 19th century...Ch. 4 - 4.76 Estimate the mass of CO2emitted by a typical...Ch. 4 - You have 0.954 g of an unknown acid, H2A, which...Ch. 4 - 4.78 In this chapter, we used a simplified...Ch. 4 - 4.79 Phosphoric add (H3PO4) is important in the...Ch. 4 - 4.80 The reaction shown below is used to destroy...Ch. 4 - 4.81 Blood alcohol levels are usually reported in...Ch. 4 - One way of determining blood alcohol levels is by...Ch. 4 - 4.83 Ammonium sulfate ((NH4)2SO4) is a common...Ch. 4 - 4.84 Aluminum chloride (AlCl3) is used as a...Ch. 4 - 4.85 In the cold vulcanization of rubber, disulfur...Ch. 4 - 4.86 Styrene the building block of polystyrene, is...Ch. 4 - 4.87 Cryolite (Na3AlF6) is used in the commercial...Ch. 4 - 4.88 A quality control technician needs to...Ch. 4 - 4.89 Calcium carbonate (limestone, CaCO3)...Ch. 4 - 4.90 Iron metal can be refined (rom the mineral...Ch. 4 - 4.91 Calcium sulfate is the essential component of...Ch. 4 - 4.92 Iron—aluminum shop are useful in some...Ch. 4 - 4.93 A mixture of methane (CH4) and propane (C3H8)...Ch. 4 - 4.94 A mixture of hydrochloric and sulfuric acids...Ch. 4 - A solution contains both Ca2+ and Pb2+ ions. A...Ch. 4 - 4.96 The carbon dioxide exhaled by astronauts must...Ch. 4 - 4.97 You are designing a process for a wastewater...Ch. 4 - 4.98 Iron(II) ions react with phenanthroline...Ch. 4 - 4.99 Chromium metal is found in ores as an oxide,...Ch. 4 - 4.100 Hydrochloric acid reacts with many metals to...Ch. 4 - 4.101 When heated in air, some element, X, reacts...Ch. 4 - 4.102 Chlorofluorocarbons were used for many years...Ch. 4 - 4.103 Bismuth selenide, Bi2Se3, is used in...Ch. 4 - 4.104 When 2.750 g of the oxide Pb3O4 is heated to...Ch. 4 - 4.105 The best way to generate small amounts al...Ch. 4 - 4.106 An ore sample with a mass of 670 kg contains...Ch. 4 - 4.107 Existing stockpiles of the refrigerant...Ch. 4 - 4.108 Elemental analysis is sometimes carried out...Ch. 4 - 4.109 Benzopyrene is a hydrocarbon that is known...Ch. 4 - 4.110 Write the balanced chemical equation lot the...Ch. 4 - 4.111 Aluminum metal reacts with sulfuric acid to...Ch. 4 - 4.112 A metallurgical firm wishes to dispose of...

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