Chemistry: The Molecular Nature of Matter
7th Edition
ISBN: 9781118516461
Author: Neil D. Jespersen, Alison Hyslop
Publisher: WILEY
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Textbook Question
Chapter 3, Problem 124RQ
Using the balanced chemical equation in Problem 3.123 and the diagram below, determine what the limiting reactant was.
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Chapter 3 Solutions
Chemistry: The Molecular Nature of Matter
Ch. 3 - Practice Exercise 3.1
How many moles of aluminum...Ch. 3 - In a reaction to synthesize nitrogen triiodide....Ch. 3 - Your laboratory balance can weigh samples to three...Ch. 3 - How many atoms of gold are there in one ounce of...Ch. 3 - What is the average mass of one molecule of table...Ch. 3 - Most chemistry laboratories have balances that can...Ch. 3 - Practice Exercise 3.7
Aluminum sulfate is...Ch. 3 - How many moles of nitrogen atoms are combined with...Ch. 3 - Sodium bicarbonate is used to soften water. How...Ch. 3 - How many grams of iron arc needed to combine with...
Ch. 3 - Bromine trifluoride explodes upon contact with...Ch. 3 - When 0.5462 g of a compound was decomposed. 0.2012...Ch. 3 - An organic compound weighing 0.6672 g is...Ch. 3 - Calculate the theoretical percentage composition...Ch. 3 - Practice Exercise 3.15
Calculate the theoretical...Ch. 3 - A 1.525 g sample of a compound between nitrogen...Ch. 3 - Practice Exercise 3.17
Sulfur forms two different...Ch. 3 - Practice Exercise 3.18
A compound of nitrogen and...Ch. 3 - When aluminum it produced by electrolysis we get...Ch. 3 - A white solid used to whiten paper has the...Ch. 3 - Cinnamon gets some of its flavor from...Ch. 3 - Prob. 22PECh. 3 - Prob. 23PECh. 3 - The empirical formula of hydrazine is NH2 and its...Ch. 3 - After determining that the empirical formulas of...Ch. 3 - Practice Exercise 3.26
When aqueous solutions of...Ch. 3 - Practice Exercise 3.27
Write the balanced chemical...Ch. 3 - In the reaction 2SO2(g)+O2(g)2SO3(g), how many...Ch. 3 - Practice Exercise 3.29
How many moles of sulfuric...Ch. 3 - Practice Exercise 3.30
Using the information in...Ch. 3 - How many grams of carbon dioxide are produced by...Ch. 3 - Practice Exercise 3.32
The reaction between the...Ch. 3 - Practice Exercise 3.33
In an industrial process...Ch. 3 - Practice Exercise 3.34
In the synthesis of aspirin...Ch. 3 - Practice Exercise 3.35
Ethanol, , can be converted...Ch. 3 - In producing a certain drug, one synthetic route...Ch. 3 - What is the definition of the mole?Ch. 3 - 3.2 Why are moles used, when all stoichiometry...Ch. 3 - Which contains more molecules:...Ch. 3 - How would Avogadros number change if the atomic...Ch. 3 - 3.5 What information is required to convert grams...Ch. 3 - Using atomic mass units, how would you estimate...Ch. 3 - How many moles of iron atoms are in one mole of...Ch. 3 - Write all the mole-to-mole conversion factors that...Ch. 3 - What information is required to convert grams of a...Ch. 3 - Why is the expression 1.0 mol of oxygen ambiguous?...Ch. 3 - 3.11 The atomic mass of aluminum is 26.98. What...Ch. 3 - 3.12 If you are given the mass of two elements and...Ch. 3 - How can percentage composition be used to identify...Ch. 3 - In general, what fundamental information, obtained...Ch. 3 - 3.15 Why can percentage composition be used to...Ch. 3 - Why are empirical formulas always used for ionic...Ch. 3 - 3.17 Under what circumstances can we change, or...Ch. 3 - How many distinct empirical formulas are shown by...Ch. 3 - 3.19 When balancing a chemical reaction, what...Ch. 3 - When given the unbalanced equation...Ch. 3 - Give a step-by-step procedure for estimating the...Ch. 3 - Prob. 22RQCh. 3 - 3.23 What information is required to determine how...Ch. 3 - A mixture of 0.020 mol of Mg and 0.020 mol of Cl2...Ch. 3 - In a report to a supervisor, a chemist described...Ch. 3 - On April 16, 1947, in Texas City, Texas, two cargo...Ch. 3 - What is a limiting reactant? And why does the...Ch. 3 - Molecules containing A and B react to form AB as...Ch. 3 - 3.29 Explain why the actual yield is always less...Ch. 3 - Prob. 30RQCh. 3 - 3.31 Determine the mass in grams of each of die...Ch. 3 - Determine the mass in grams of the following: (a)...Ch. 3 - 3.33 Calculate the formula mass of each of the...Ch. 3 - Calculate the formula mass of each of the...Ch. 3 - Calculate the mass in grams of the following. (a)...Ch. 3 - What is the mass in grams of the following? (a)...Ch. 3 - Calculate the number of moles of each compound in...Ch. 3 - Calculate the number of moles of each compound in...Ch. 3 - How many moles of nickel are in 17.7 g of Ni?Ch. 3 - How many moles of chromium are in 85.7 g of Cr?Ch. 3 - How many moles of tantalum atoms correspond to...Ch. 3 - How many moles of iodine molecules correspond to...Ch. 3 - 3.43 A nanotechnology experiment requires atoms...Ch. 3 - What is the mass, in grams, of 41017 atoms of gold...Ch. 3 - 3.45 How many atoms are in 6.00 g of carbon-12?
Ch. 3 - How many atoms are in 1.50 mol of carbon-12? How...Ch. 3 - Sucrose (table sugar) has the formula C12H22O11....Ch. 3 - Nail polish remover is usually the volatile liquid...Ch. 3 - 3.79 How many moles of Bi atoms are needed to...Ch. 3 - 3.50 How many moles of vanadium atoms, V, are...Ch. 3 - How many moles of Cr are in 2.16 mol of Cr2O3?Ch. 3 - How many moles of O atoms are in 4.25 mol of...Ch. 3 - Aluminum sulfate, Al2(SO4)3, is a compound used in...Ch. 3 - Magnetite is a magnetic iron ore. Its formula is...Ch. 3 - 3.55 How many moles of H2andN2 can be formed by...Ch. 3 - 3.56 How many moles of S are needed to combine...Ch. 3 - 3.57 How many moles of UF6 would have to be...Ch. 3 - 3.58 How many moles of Fe3O4 are required to...Ch. 3 - 3.59 How many atoms of carbon are combined with...Ch. 3 - 3.60 How many atoms of hydrogen are found in 2.31...Ch. 3 - 3.61 What is the total number of C, H, and O atoms...Ch. 3 - 3.62 What is the total number of N, H, and O atoms...Ch. 3 - 3.63 Calcium carbide, CaC2, was once used to make...Ch. 3 - 3.64 Iodized salt contains a trace amount of...Ch. 3 - How many moles of nitrogen, N, are in 0.650 mol of...Ch. 3 - 3.66 How many moles of nitrogen, N, are in 0.556...Ch. 3 - 3.67 How many kilograms of a fertilizer made of...Ch. 3 - 3.68 How many kilograms of a fertilizer made of...Ch. 3 - 3.69 Calculate the percentage composition by mass...Ch. 3 - Calculate the percentage composition by mass for...Ch. 3 - Which has a higher percentage of oxygen: morphine...Ch. 3 - Which has a higher percentage of nitrogen:...Ch. 3 - Freon is a trade name for a group of gaseous...Ch. 3 - Which has a higher percentage of fluorine:...Ch. 3 - It was found that 2.35 g of a compound of...Ch. 3 - Prob. 76RQCh. 3 - Phencyclidine (angel dust) is C17H25N. A sample...Ch. 3 - The hallucinogenic drug LSD has the molecular...Ch. 3 - How many grams of O are combined with 7.141021...Ch. 3 - How many grams of C are combined with 4.251023...Ch. 3 - Write empirical formulas for the following...Ch. 3 - What are the empirical formulas of the following...Ch. 3 - 3.83 Radioactive sodium pertechnetate is used as a...Ch. 3 - A sample of Freon was found to contain 0.423 g of...Ch. 3 - 3.85 Cinnamic acid, a compound related to the...Ch. 3 - 3.86 Vanillin, a compound used as a flavoring...Ch. 3 - A dry-cleaning fluid composed of only carbon and...Ch. 3 - One compound of mercury with a molar mass of 519...Ch. 3 - When 0.684 g of an organic compound containing...Ch. 3 - Prob. 90RQCh. 3 - 3.91 When 6.853 mg of a sex hormone was burned in...Ch. 3 - When a sample of a compound in the vitamin D...Ch. 3 - The following are empirical formulas and the...Ch. 3 - The following are empirical formulas and the...Ch. 3 - The compound described in Problem 3.91 was found...Ch. 3 - 3.96 The compound described in Problem 3.92 was...Ch. 3 - A sample of a compound of mercury and bromine with...Ch. 3 - A 0.6662 g sample of antimonal saffron, which is a...Ch. 3 - A sample of a compound of C, H, N, and O, was...Ch. 3 - 3.100 Strychnine, a deadly poison, has a formula...Ch. 3 - Prob. 101RQCh. 3 - Balance the following equations....Ch. 3 - Write the following as balanced chemical...Ch. 3 - 3.104 Write the following as balanced chemical...Ch. 3 - Prob. 105RQCh. 3 - Prob. 106RQCh. 3 - 3.107 The balanced chemical equation for the...Ch. 3 - 3.108 Draw a molecular-level diagram for the...Ch. 3 - 3.109 Write the equation that expresses in...Ch. 3 - The conversion of one air pollutant, nitrogen...Ch. 3 - A balanced chemical equation contains the term...Ch. 3 - 3.112 A balanced chemical equation contains the...Ch. 3 - 3.113 Chlorine is used by textile manufacturers to...Ch. 3 - The octane in gasoline burns according to the...Ch. 3 - Propane burns according to the following equation:...Ch. 3 - The following reaction is used to extract gold...Ch. 3 - The incandescent white of a fireworks display is...Ch. 3 - The combustion of butane, C4Hl0, produces carbon...Ch. 3 - In dilute nitric acid, HNO3, copper metal...Ch. 3 - 3.120 The reaction of hydrazine, , with hydrogen...Ch. 3 - Oxygen gas can be produced in the laboratory by...Ch. 3 - Oxygen gas can be produced in the laboratory by...Ch. 3 - Using the balanced equation...Ch. 3 - 3.124 Using the balanced chemical equation in...Ch. 3 - The thermite reaction between powdered aluminum...Ch. 3 - 3.126 Ethanol is synthesized for industrial use...Ch. 3 - 3.127 Silver nitrate, , reacts with iron(III)...Ch. 3 - Chlorine dioxide, ClO2, has been used as a...Ch. 3 - Some of the acid in acid rain is produced by the...Ch. 3 - Phosphorus pentachloride reacts with water to give...Ch. 3 - Barium sulfate, BaSO4, is made by the following...Ch. 3 - Prob. 132RQCh. 3 - Aluminum sulfate can be made by the following...Ch. 3 - 3.134 The combustion of methyl alcohol in an...Ch. 3 - Manganese(III) fluoride, MnF3, can be prepared by...Ch. 3 - Prob. 136RQCh. 3 - Mercury is an environmental pollutant because it...Ch. 3 - Prob. 138RQCh. 3 - Prob. 139RQCh. 3 - *3.140 A compound of Ca, C, N, and S was subjected...Ch. 3 - 3.141 Ammonium nitrate will detonate if ignited in...Ch. 3 - A lawn fertilizer is rated as 6.00% nitrogen,...Ch. 3 - Nitrogen is the active ingredient in many...Ch. 3 - Based solely on the amount of available carbon,...Ch. 3 - According to NASA, the space shuttles external...Ch. 3 - For a research project, a student decided to test...Ch. 3 - 3.147 Chlorine atoms cause chain reactions in the...Ch. 3 - Lime, CaO, can be produced in two steps as shown...Ch. 3 - A newspaper story describing the local celebration...Ch. 3 - Suppose you had one mole of pennies and you were...Ch. 3 - Using the above two questions as examples, devise...Ch. 3 - 3.152 List the different: ways in which a chemist...
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- Consider the following balanced chemical equation: A+5B3C+4D a. Equal masses of A and B are reacted. Complete each of the following with either A is the limiting reactant because ; B is the limiting reactant because ____ ; or we cannot determine the limiting reactant because _____ i. If the molar mass of A is greater than the molar mass of B, then ii. If the molar mass of B is greater than the molar mass of A, then b. The products of the reaction are carbon dioxide (C) and water (D). Compound A has a similar molar mass to carbon dioxide. Compound B is a diatomic molecule. Identify compound B, and support your answer. c. Compound A is a hydrocarbon that is 81.7 1% carbon by mass. Determine its empirical and molecular formulas.arrow_forwardConsider a reaction represented by the following balanced equation :math>2A+3BC+4D u find that it requires equal masses of A and B so that there are no reactants left over. Which of the following is true? Justify your choice. l type='a'> The molar mass of A must be greater than the molar mass of B. i>The molar mass of A must be less than the molar mass of B. i>The molar mass of A must be the same as the molar mass of B.arrow_forwardConsider the following unbalanced chemical equation for the combustion of pentane (C5H12): C5H12(l)+O2(g)CO2(g)+H2O(l) If 20.4 g of pentane are burned in excess oxygen, what mass of water can be produced, assuming 100% yield?arrow_forward
- Calculate the amounts of reactants needed in a chemical reaction to produce a specified amount of product.arrow_forwardWhat is the theoretical yield for a reaction, and how does this quantity depend on the limiting reactant?arrow_forwardYou know that chemical A reacts with chemical B. You react 10.0 g A with 10.0 g B. What information do you need to determine the amount of product that will be produced? Explain.arrow_forward
- Classify each of the following statements as true or false: a Coefficients in a chemical equation express the molar proportions among both reactants and products. b A stoichiometry problem can be solved with an unbalanced equation. c In solving a stoichiometry problem, the change from quantity of given substance to quantity of wanted substance is based on masses. d Percentage yield is actual yield expressed as a percentage of ideal yield. e The quantity of product of any reaction can be calculated only through the moles of the limiting reactant. f rH is positive for an endothermic reaction and negative for an exothermic reaction.arrow_forwardou know that chemical A reacts with chemical B. You react 10.0 g A with 10.0 g B. What information do you need to know to determine the amount of product that will be produced? Explain.arrow_forwardFig. 5-5 illustrates a schematic diagram of a combustion device used to analyze organic compounds. Given that a certain amount of a compound containing carbon, hydrogen, and oxygen is combusted in this device, explain how the data relating to the mass of CO2 produced and the mass of H2O produced can be manipulated to determine the empirical formula.arrow_forward
- What is the limiting reactant when 1.50 g of lithium and 1.50 g of nitrogen combine to form lithium nitride, a component of advanced batteries, according to the following unbalanced equation? Li+N2Li3Narrow_forwardHigh cost and limited availability of a reactant often dictate which reactant is limiting in a particular process. Identify the limiting reactant when the reactions below are run, and come up with a reason to support your decision. a. Burning charcoal on a grill: C(s)+O2(g)CO2(g) b. Burning a chunk of Mg in water: Mg(s)+2H2O(l)Mg(OH)2(aq)+H2(g) c. The Haber process of ammonia production: 3H2(g)+N2(g)2NH3(g)arrow_forwardBillions of pounds of urea, CO(NH2)2, are produced annually for use as a fertilizer. The principal reaction employed is: 2NH3+CO2CO(NH2)2+H2O By assuming unlimited amounts of CO2, how many moles of urea can be produced from each of the following amounts of NH3? a.2molNH3b.0.45molNH3c.10gNH3d.2.0kgNH3arrow_forward
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