EBK CHEMISTRY
4th Edition
ISBN: 8220102797864
Author: Burdge
Publisher: YUZU
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Chapter 3, Problem 13QP
Tooth enamel is
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Chapter 3 Solutions
EBK CHEMISTRY
Ch. 3.1 - Practice ProblemATTEMPT Calculate the molecular or...Ch. 3.1 - Practice Problem BUILD
Calculate the molecular or...Ch. 3.1 - Practice ProblemCONCEPTUALIZE Some...Ch. 3.1 - What is the molecular mass of citric acid ( H 3 C...Ch. 3.1 - 3.1.2 What is the formula mass of calcium citrate...Ch. 3.2 - Practice Problem ATTEMPT
Determine the percent...Ch. 3.2 - Practice Problem BUILD
Determine the simplest...Ch. 3.2 - Practice Problem CONCEPTUALIZE
Determine the...Ch. 3.2 - 3.2.1 What is the percent composition by mass of...Ch. 3.2 - What is the percent composition by mass of sodium...
Ch. 3.3 - Prob. 1PPACh. 3.3 - Practice Problem BUILD
Write and balance the...Ch. 3.3 - Practice ProblemCONCEPTUALIZE Write a balanced...Ch. 3.3 - What are the stoichiometric coefficients in the...Ch. 3.3 - 3.3.2 Which chemical equation represents the...Ch. 3.3 - 3.3.3 Which is the correctly balanced form of the...Ch. 3.3 - 3.3.4 Carbon monoxide reacts with oxygen to...Ch. 3.4 - Prob. 1PPACh. 3.4 - Practice Problem BUILD
Write and balance the...Ch. 3.4 - Prob. 1PPCCh. 3.4 - How many molecules are in 30 .1 g of sulfur...Ch. 3.4 - How many moles of hydrogen are there in 6 .50 g of...Ch. 3.4 - 3.4.3 Determine the empirical formula of a...Ch. 3.4 - Determine the empirical formula of a compound that...Ch. 3.5 - Practice ProblemATTEMPT Potassium is the second...Ch. 3.5 - Practice Problem BUILD
Calculate (a) the number...Ch. 3.5 - Practice Problem CONCEPTUALIZE
These diagrams show...Ch. 3.5 - What is the empirical formula of a compound...Ch. 3.5 - 3.5.2 What are the empirical and molecular...Ch. 3.5 - 3.5.3 Determine the masses of and produced by...Ch. 3.5 - How is it possible for the combined masses of CO 2...Ch. 3.6 - Prob. 1PPACh. 3.6 - Practice Problem BUILD
(a) Determine the mass of...Ch. 3.6 - Practice ProblemCONCEPTUALIZE Plain doughnuts from...Ch. 3.6 - 3.6.1 How many moles of will be produced if Li...Ch. 3.6 - 3.6.2 Determine the stoichiometric amount (in...Ch. 3.7 - Prob. 1PPACh. 3.7 - Practice ProblemBUILD (a) Determine the number of...Ch. 3.7 - Practice ProblemCONCEPTUALIZE A particular...Ch. 3.7 - 3.7.1 What mass of is produced according to the...Ch. 3.7 - 3.7.2 What is the percent yield for a process in...Ch. 3.7 - How many moles of NH 3 can be produced by the...Ch. 3.7 - What mass of water is produced by the reaction of...Ch. 3.7 - Reactants A (red) and B (blue) combine to form a...Ch. 3.7 - Which of the following represents the contents of...Ch. 3.8 - Practice ProblemATTEMPT Determine the empirical...Ch. 3.8 - Practice ProblemBUILD Determine the empirical...Ch. 3.8 - Practice ProblemCONCEPTUALIZE What is the smallest...Ch. 3.9 - Practice ProblemATTEMPT The combustion of a 28...Ch. 3.9 - Practice ProblemBUILD Determine the mass of CO 2...Ch. 3.9 - Prob. 1PPCCh. 3.10 - Prob. 1PPACh. 3.10 - Prob. 1PPBCh. 3.10 - Prob. 1PPCCh. 3.11 - Practice ProblemATTEMPT Calculate the mass of...Ch. 3.11 - Practice Problem BUILD
What mass of glucose must...Ch. 3.11 - Prob. 1PPCCh. 3.12 - Prob. 1PPACh. 3.12 - Prob. 1PPBCh. 3.12 - Practice ProblemCONCEPTUALIZE The diagrams show a...Ch. 3.13 - Prob. 1PPACh. 3.13 - Practice Problem BUILD
What mass of ether will be...Ch. 3.13 - Prob. 1PPCCh. 3.14 - Prob. 1PPACh. 3.14 - Practice Problem BUILD
Using the chemical species...Ch. 3.14 - Prob. 1PPCCh. 3 - 3.1
Calculate the mass of water produced in the...Ch. 3 - 3.2
How much can be produced?
(a)
350.0...Ch. 3 - 3.3
How much can be produced?
(a)
91.51...Ch. 3 - 3.4
How much of the excess reactant remains when...Ch. 3 - What is meant by the term molecular mass, and why...Ch. 3 - Explain the difference between the terms molecular...Ch. 3 - Calculate the molecular mass (in amu) of each of...Ch. 3 - Calculate the molecular mass (in amu) of each of...Ch. 3 - Calculate the molecular mass or formula mass (in...Ch. 3 - 3.6 Calculate the molecular mass or formula mass...Ch. 3 - 3.7 Use ammonia to explain what is meant by the...Ch. 3 - 3.8 Describe how the knowledge of the percent...Ch. 3 - Tin (Sn) exists in Earth's crust as SnO 2 ....Ch. 3 - 3.10 For many years, chloroform was used as an...Ch. 3 - All the substances listed here are fertilizers...Ch. 3 - Limonene. shown here, is a by-product of the...Ch. 3 - 3.13 Tooth enamel is . Calculate the percent...Ch. 3 - A four-pack of Red Bull Energy Drink consists of...Ch. 3 - 3.15 A “variety pack" of ramen noodles consists of...Ch. 3 - Prob. 16QPCh. 3 - Prob. 17QPCh. 3 - 3.18 Why must a chemical equation be balanced?...Ch. 3 - Prob. 19QPCh. 3 - Write an unbalanced equation to represent each of...Ch. 3 - Write an unbalanced equation to represent each of...Ch. 3 - Prob. 22QPCh. 3 - For each of the following unbalanced chemical...Ch. 3 - Prob. 24QPCh. 3 - Prob. 25QPCh. 3 - Which of the following equations best represents...Ch. 3 - Prob. 27QPCh. 3 - Define the term mole. What is the unit for mole in...Ch. 3 - Prob. 29QPCh. 3 - Prob. 30QPCh. 3 - If we know the empirical formula of a compound,...Ch. 3 - Prob. 32QPCh. 3 - The thickness of a piece of paper is 0.0036 in....Ch. 3 - Prob. 34QPCh. 3 - Prob. 35QPCh. 3 - Prob. 36QPCh. 3 - How many grams of gold ( Au ) are there in 15.3...Ch. 3 - Prob. 38QPCh. 3 - Prob. 39QPCh. 3 - 3.40 What is the mass in grams of lead atoms?
Ch. 3 - Prob. 41QPCh. 3 - Prob. 42QPCh. 3 - Which of the following has a greater mass: two...Ch. 3 - Prob. 44QPCh. 3 - Prob. 45QPCh. 3 - Prob. 46QPCh. 3 - Prob. 47QPCh. 3 - Prob. 48QPCh. 3 - Prob. 49QPCh. 3 - Prob. 50QPCh. 3 - Prob. 51QPCh. 3 - Prob. 52QPCh. 3 - Prob. 53QPCh. 3 - Prob. 54QPCh. 3 - Prob. 55QPCh. 3 - Prob. 56QPCh. 3 - Prob. 57QPCh. 3 - Prob. 58QPCh. 3 - In response to invasion by a microorganism, the...Ch. 3 - Researchers recently reported that the compound in...Ch. 3 - Prob. 61QPCh. 3 - Prob. 62QPCh. 3 - 3.63 Menthol is a flavoring agent extracted from...Ch. 3 - 3.64 Ascorbic acid (vitamin C) contains C, H, and...Ch. 3 - The amino acid cysteine plays an important role in...Ch. 3 - 3.66 The diagram shows the products of a...Ch. 3 - 3.67 Which of the following diagrams could...Ch. 3 - 3.68 On what law is stoichiometry based? Why is it...Ch. 3 - Prob. 69QPCh. 3 - Prob. 70QPCh. 3 - Prob. 71QPCh. 3 - Prob. 72QPCh. 3 - Prob. 73QPCh. 3 - Prob. 74QPCh. 3 - 3.75 When baking soda (sodium bicarbonate or...Ch. 3 - Prob. 76QPCh. 3 - Prob. 77QPCh. 3 - Prob. 78QPCh. 3 - Prob. 79QPCh. 3 - Prob. 80QPCh. 3 - Prob. 81QPCh. 3 - Prob. 82QPCh. 3 - Prob. 83QPCh. 3 - Prob. 84QPCh. 3 - Prob. 85QPCh. 3 - Prob. 86QPCh. 3 - Prob. 87QPCh. 3 - Prob. 88QPCh. 3 - Prob. 89QPCh. 3 - Prob. 90QPCh. 3 - Prob. 91QPCh. 3 - Prob. 92QPCh. 3 - 3.93 When combined, aqueous solutions of sulfuric...Ch. 3 - Prob. 94QPCh. 3 - Nitroglycerin ( C 3 H 5 N 3 O 9 ) is a powerful...Ch. 3 - Prob. 96QPCh. 3 - Prob. 97QPCh. 3 - Prob. 98QPCh. 3 - Prob. 99QPCh. 3 - Prob. 100QPCh. 3 - Prob. 101QPCh. 3 - Prob. 102QPCh. 3 - Consider the reaction N 2 +3H 2 → 2NH 3 Assuming...Ch. 3 - 3.104 Determine whether each of the following...Ch. 3 - Prob. 105QPCh. 3 - Prob. 106APCh. 3 - Prob. 107APCh. 3 - Prob. 108APCh. 3 - Prob. 109APCh. 3 - Prob. 110APCh. 3 - Prob. 111APCh. 3 - 3.112 The carat is the unit of mass used by...Ch. 3 - An iron bar weighed 664 g. After the bar had been...Ch. 3 - Prob. 114APCh. 3 - Suppose you are given a cube made of magnesium...Ch. 3 - Prob. 116APCh. 3 - Prob. 117APCh. 3 - Prob. 118APCh. 3 - Calculate the number of cations and anions in each...Ch. 3 - Prob. 120APCh. 3 - 3.121 Avogadro’s number has sometimes been...Ch. 3 - Prob. 122APCh. 3 - In the formation of carbon monoxide. CO, it is...Ch. 3 - Prob. 124APCh. 3 - Prob. 125APCh. 3 - A compound made up of C, H, and Cl contains 55.0...Ch. 3 - Prob. 127APCh. 3 - Prob. 128APCh. 3 - Prob. 129APCh. 3 - Prob. 130APCh. 3 - Prob. 131APCh. 3 - 3.132 A mixture of methane and ethane of mass...Ch. 3 - Prob. 133APCh. 3 - A die has an edge length of 1.5 cm. (a) What is...Ch. 3 - Prob. 135APCh. 3 - Prob. 136APCh. 3 - A sample containing NaCl, Na 2 SO 4 , and NaNO 3...Ch. 3 - Prob. 138APCh. 3 - Prob. 139APCh. 3 - Prob. 140APCh. 3 - An impure sample of zinc (Zn) is treated with an...Ch. 3 - One of the reactions that occurs in a blast...Ch. 3 - Prob. 143APCh. 3 - Prob. 144APCh. 3 - Prob. 145APCh. 3 - 3.146 Aspirin or acetylsalicylic acid is...Ch. 3 - Prob. 147APCh. 3 - Prob. 148APCh. 3 - Lysine, an essential amino acid in the human body,...Ch. 3 - Prob. 150APCh. 3 - Prob. 151APCh. 3 - Prob. 152APCh. 3 - Prob. 153APCh. 3 - Cysteine, shown here, is one of the 20 amino acids...Ch. 3 - Prob. 155APCh. 3 - Carbon dioxide ( CO 2 ) is the gas that is mainly...Ch. 3 - Prob. 157APCh. 3 - Prob. 158APCh. 3 - Prob. 159APCh. 3 - Prob. 160APCh. 3 - 3.161 Potash is any potassium mineral that is used...Ch. 3 - Prob. 162APCh. 3 - Prob. 163APCh. 3 - Prob. 164APCh. 3 - Prob. 1SEPPCh. 3 - Prob. 2SEPPCh. 3 - Prob. 3SEPPCh. 3 - Prob. 4SEPP
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- Boron forms an extensive series of compounds with hydrogen, all with the general formula BxHy. To analyze one of these compounds, you burn it in air and isolate the boron in the form of B2O3 and the hydrogen in the form of water. You find that 0.1482 g BxHy gives 0.4221 g B2O3 when burned in excess O2. Determine the empirical I formula of BxHy.arrow_forwardWhite phosphorus, P4, is prepared by fusing calcium phosphate, Ca3(PO4)2, with carbon, C, and sand, SiO2, in an electric furnace. 2Ca3(PO4)2(s)+6SiO2(s)+10C(s)P4(g)+6CaSiO3(l)+10CO(g) How many grams of calcium phosphate are required to give 30.0 g of phosphorus?arrow_forward1. Express the composition of ammonium carbonate, (NH4)2CO3, in terms of the mass of each element in 1.00 mol of compound and the mass percent of each element. 2. What is the mass of carbon in 454 g octane, C8H18?arrow_forward
- The active ingredient in Pepto-Bismo® (an over- the-counter remedy for an upset stomach) is bismuth sub-salicylate, C7H5BiO4. Analysis of a 1.7500-g sample of Pepto-Bismol yields 346 mg of bismuth. What percent by mass is bismuth subsalicylate in the sample? (Assume that there are no other bismuth-containing compounds in Pepto-Bismol.)arrow_forward3.96 Methyl cyanoacrylate is the chemical name for the substance sold as Super Glue, and it has the chemical formula C5H5NO2. Calculate the number of molecules of this substance in a 1.0-ounce tube of Super Glue, assuming that the glue is 80% methyl cyanoacrylate by mass.arrow_forwardTungsten (W) metal, which is used to make incandescent bulb filaments, is produced by the reaction WO3+3H23H2O+W How many grams of H2 are needed to produce 1.00 g of W?arrow_forward
- Ethylene glycol is used as an automobile antifreeze and in the manufacture of polyester fibers. The name glycol stems from the sweet taste of this poisonous compound. Combustion of 6.38 mg of ethylene glycol gives 9.06 mg CO2 and 5.58 mg H2O. The compound contains only C, H, and O. What are the mass percentages of the elements in ethylene glycol?arrow_forwardChalky, white crystals in mineral collections are often labeled borax, which has the molecular formula Na2B4O7 10H2O, when actually they are partially dehydrated samples with the molecular formula Na2B4O7 5H2O, which is more stable under the storage conditions. Real crystals of borax are colorless and transparent. (a) Calculate the percent mass that the mineral has lost when it partially dehydrates. (b) Is the percent boron by mass the same in both compounds?arrow_forwardA mixture of Fe2O3, and FeO was found to contain 72.00% Fe by mass. What is the mass of Fe2O3 in 0.750 g of this mixture?arrow_forward
- When heated, potassium chlorate, KClO3, melts and decomposes to potassium chloride and diatomic oxygen. (a) What is the theoretical yield of O2 from 3.75 g KClO3? (b) If 1.05 g of O2 is obtained, what is the percent yield?arrow_forwardChlorine exists mainly as two isotopes, 37Cl and 33Cl. Which is more abundant? How do you know?arrow_forwardThe molecular formula of acetylsalicylic acid (aspirin), one of the most commonly used pain relievers, is C9H8O4. a. Calculate the molar mass of aspirin. b. A typical aspirin tablet contains 500. mg C9H8O4. What amount (moles) of C9H8O4 molecules and what number of molecules of acetylsalicylic acid are in a 500.-mg tablet?arrow_forward
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