1 Matter, Measurement, And Problem Solving 2 Atoms And Elements 3 Molecules, Compounds, And Chemical Equations 4 Chemical Quantities And Aqueous Reactions 5 Gases 6 Thermochemistry 7 The Quantum-Mechanical Model Of The Atom 8 Periodic Properties Of The Elements 9 Chemical Bonding I: The Lewis Model 10 Chemical Bonding II: Molecular Shapes, Valence Bond Theory, And Molecular Orbital Theory 11 Liquids, Solids, And Intermolecular Forces 12 Solids And Modern Materials 13 Solutions 14 Chemical Kinetics 15 Chemical Equilibrium 16 Acids And Bases 17 Aqueous Ionic Equilibrium 18 Free Energy And Thermodynamics 19 Electrochemistry 20 Radioactivity And Nuclear Chemistry 21 Organic Chemistry 22 Biochemistry 23 Chemistry Of The Nonmentals 24 Metals And Metallurgy 25 Transition Metals And Coordination Compounds expand_more
Chapter Questions expand_more
Problem 1SAQ: What is the empirical formula of a compound with the molecular formula C10H8? a) C5H3 b) C2H4 c)... Problem 2SAQ Problem 3SAQ Problem 4SAQ Problem 5SAQ Problem 6SAQ Problem 7SAQ: Q7. Name the compound .
a) phosphorus iodide b) phosphorus diiodide
c) phosphorus(II) iodide d)... Problem 8SAQ Problem 9SAQ Problem 10SAQ Problem 11SAQ: Q11. Determine the mass of potassium in 35.5 g of KBr.
a) 17.4 g
b) 0.298 g
c) 11.7 g
d) 32.9 g
Problem 12SAQ Problem 13SAQ Problem 14SAQ Problem 15SAQ Problem 1E: 1. How do the properties of compounds compare to the properties of the elements from which the... Problem 2E Problem 3E Problem 4E Problem 5E Problem 6E Problem 7E Problem 8E Problem 9E Problem 10E Problem 11E Problem 12E Problem 13E Problem 14E Problem 15E Problem 16E Problem 17E Problem 18E Problem 19E Problem 20E Problem 21E Problem 22E: 22. Write a generic formula for each of the families of organic compounds.
a. alcohols
b. ethers
c.... Problem 23E: 23. Determine the number of each type of atom in each formula.
a. Mg3(PO4)2
b. BaCl2
c. Fe(NO2)2
d.... Problem 24E Problem 25E Problem 26E: 26. Write a chemical formula for each molecular model. (See Appendix IIA for color codes.)
Problem 27E Problem 28E Problem 29E: 29. Classify each compound as ionic or molecular.
a. CO2
b. NiCl2
c. NaI
d. PCl3
Problem 30E: 30. Classify each compound as ionic or molecular.
a. CF2Cl2
b. CCl4
c. PtO2
d. SO3
Problem 31E: 31. Based on the molecular views, classify each substance as an atomic element, a molecular element,... Problem 32E: 32. Based on the molecular views, classify each substance as an atomic element, a molecular element,... Problem 33E: 33. Write a formula for the ionic compound that forms between each pair of elements.
a. calcium and... Problem 34E Problem 35E Problem 36E Problem 37E Problem 38E: 38. Name each ionic compound.
a. SnCl4
b. PbI2
c. Fe2O3
d. CuI2
e. HgBr2
f. CrCl2
Problem 39E: 39. Give each ionic compound an appropriate name.
a. SnO
b. Cr2S3
c. RbI
d. BaBr2
Problem 40E: 40. Give each ionic compound an appropriate name.
a. BaS
b. FeCl3
c. PbI4
d. SrBr2
Problem 41E Problem 42E Problem 43E Problem 44E Problem 45E Problem 46E Problem 47E Problem 48E: 48. Name each molecular compound.
a. SO3
b. SO2
c. BrF5
d. NO
Problem 49E Problem 50E: 50. Write the formula for each molecular compound.
a. boron tribromide
b. dichlorine monoxide
c.... Problem 51E Problem 52E: 52. Name each acid.
a. HCl(aq)
b. HClO2(aq)
c. H2SO4(aq)
Problem 53E Problem 54E: 54. Write the formula for each acid.
a. phosphoric acid
b. hydrocyanic acid
c. chlorous acid
Problem 55E Problem 56E Problem 57E Problem 58E: 58. Refer to the nomenclature flowchart (Figure 3.11) to name each compound.
a. XeO3
b. KClO
c.... Problem 59E: 59. Calculate the formula mass for each compound.
a. NO2
b. C4H10
c. C6H12O6
d. Cr(NO3)3
Problem 60E Problem 61E: 61. Calculate the number of moles in each sample.
a. 72.5 g CCl4
b. 12.4 g C12H22O11
c. 25.2 kg... Problem 62E: 62. Calculate the mass of each sample.
a. 15.7 mol HNO3
b. 1.04 × 10–3 mol H2O2
c. 72.1 mmol SO2
d.... Problem 63E: 63. Determine the number of moles (of molecules or formula units) in each sample.
a. 25.5 g NO2
b.... Problem 64E Problem 65E Problem 66E: 66. How many molecules (or formula units) are in each sample?
a. 85.26 g CCl4
b. 55.93 kg NaHCO3
c.... Problem 67E: 67. Calculate the mass (in g) of each sample.
a. 5.94 × 1020 SO3 molecules
b. 2.8 × 1022 H2O... Problem 68E Problem 69E: 69. A sugar crystal contains approximately 1.8 × 1017 sucrose (C12H22O11) molecules. What is its... Problem 70E Problem 71E: 71. Calculate the mass percent composition of carbon in each carbon-containing compound.
a. CH4
b.... Problem 72E Problem 73E Problem 74E: 74. Iron in the earth is in the form of iron ore. Common ores include Fe2O3 (hematite), Fe3O4... Problem 75E: 75. Copper(II) fluoride contains 37.42% F by mass. Calculate the mass of fluorine (in g) in 55.5 g... Problem 76E Problem 77E: 77. The iodide ion is a dietary mineral essential to good nutrition. In countries where potassium... Problem 78E: 78. The American Dental Association recommends that an adult female should consume 3.0 mg of... Problem 79E: 79. Write a ratio showing the relationship between the molar amounts of each element for each... Problem 80E Problem 81E Problem 82E Problem 83E Problem 84E: 84. Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC).
a.... Problem 85E Problem 86E Problem 87E: 87. A chemist decomposes samples of several compounds; the masses of their constituent elements are... Problem 88E: 88. A chemist decomposes samples of several compounds; the masses of their constituent elements are... Problem 89E: 89. Calculate the empirical formula for each stimulant based on its elemental mass percent... Problem 90E: 90. Calculate the empirical formula for each natural flavor based on its elemental mass percent... Problem 91E: 91. The elemental mass percent composition of ibuprofen (a nonsteroidal anti-inflammatory drug... Problem 92E: 92. The elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and... Problem 93E: 93. A 0.77-mg sample of nitrogen reacts with chlorine to form 6.61 mg of the chloride. Determine the... Problem 94E: 94. A 45.2-mg sample of phosphorus reacts with selenium to form 131.6 mg of the selenide. Determine... Problem 95E: 95. From the given empirical formula and molar mass, find the molecular formula of each compound.
a.... Problem 96E: 96. From the given molar mass and empirical formula of several compounds, find the molecular formula... Problem 97E: 97. Combustion analysis of a hydrocarbon produces 33.01 g CO2 and 13.51 g H2O. Calculate the... Problem 98E Problem 99E Problem 100E: 100. Tartaric acid is the white, powdery substance that coats tart candies such as Sour Patch Kids.... Problem 101E Problem 102E Problem 103E Problem 104E: 104. When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Write the... Problem 105E Problem 106E Problem 107E Problem 108E: 108. Write the balanced chemical equation for each reaction.
a. Solid copper reacts with solid... Problem 109E Problem 110E Problem 111E: 111. Balance each chemical equation.
a. CO2(g) + CaSiO3(s) + H2O(l) → SiO2(s) + Ca(HCO3)2(aq)
b.... Problem 112E: 112. Balance each chemical equation.
a. Na2S(aq) + Cu(NO3)2(aq) → NaNO3(aq) + CuS(s)
b. N2H4(l) →... Problem 113E Problem 114E Problem 115E Problem 116E Problem 117E Problem 118E Problem 119E Problem 120E Problem 121E: 121. How many molecules of ethanol (C2H5OH) (the alcohol in alcoholic beverages) are present in 145... Problem 122E: 122. A drop of water has a volume of approximately 0.05 mL. How many water molecules does it... Problem 123E: 123. Determine the chemical formula of each compound and then use it to calculate the mass percent... Problem 124E: 124. Determine the chemical formula of each compound and then use it to calculate the mass percent... Problem 125E Problem 126E Problem 127E: 127. A metal (M) forms a compound with the formula MCl3. If the compound contains 65.57% Cl by mass,... Problem 128E Problem 129E: 129. Estradiol is a female sexual hormone that is responsible for the maturation and maintenance of... Problem 130E: 130. Fructose is a common sugar found in fruit. Elemental analysis of fructose gives the following... Problem 131E: 131. Combustion analysis of a 13.42-g sample of equilin (which contains only carbon, hydrogen, and... Problem 132E: 132. Estrone, which contains only carbon, hydrogen, and oxygen, is a female sexual hormone in the... Problem 133E: 133. Epsom salts is a hydrated ionic compound with the following formula: MgSO4 · x H2O. A 4.93-g... Problem 134E: 134. A hydrate of copper(II) chloride has the following formula: CuCl2 · x H2O. The water in a... Problem 135E Problem 136E Problem 137E Problem 138E Problem 139E Problem 140E Problem 141E Problem 142E: 142. A phosphorus compound that contains 34.00% phosphorus by mass has the formula X3P2. Identify... Problem 143E Problem 144E: 144. Phosphorus is obtained primarily from ores containing calcium phosphate. If a particular ore... Problem 145E Problem 146E Problem 147E Problem 148E Problem 149E: 149. Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC)... Problem 150E Problem 151E: 151. Lead is found in Earth's crust as several different lead ores. Suppose a certain rock is 38.0%... Problem 152E Problem 153E: 153. A compound of molar mass 229 g/mol contains only carbon, hydrogen, iodine, and sulfur. Analysis... Problem 154E Problem 155E Problem 156E Problem 157E: 157. When molecules are represented by molecular models, what does each sphere represent? How big is... Problem 158E Problem 159E Problem 160E Problem 161E: 161. Without doing any calculations, arrange the elements in H2SO4 in order of decreasing mass... Problem 162E Problem 163QGW Problem 164QGW Problem 165QGW Problem 166QGW: 166. A compound isolated from the rind of lemons is found to be 88.14% carbon and 11.86% hydrogen by... Problem 167QGW Problem 168DIA:
168. Since the 1800s, the concentration of carbon dioxide in Earth’s atmosphere has been increasing... format_list_bulleted
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