4-28 Answer true or false. (a) A net ionic equation shows only those ions that undergo chemical reaction. (b) In a net ionic equation, the number of moles of starting material must equal the number of moles of product. (c) A net ionic equation must be balanced by both mass and charge. (d) As a generalization, all lithium, sodium, and potassium salts are soluble in water. (e) As a generalization, all nitrate (NO 3 - salts are soluble in water. (f) As a generalization, most carbonate (CO 3 ) salts are insoluble in water. (g) Sodium carbonate, Na 2 CO 3 , is insoluble in water. (h) Ammonium carbonate, (NH 4 ) 2 CO 3 , is insoluble in water. (j) Calcium carbonate, CaCO 3 , is insoluble in water. (j) Sodium dihydrogen phosphate, NaH 2 PO 4 , is insoluble in water. (k) Sodium hydroxide, NaOH, is soluble in water. (l) Barium hydroxide, Ba(OH) 2 , is soluble in water.

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Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759

Solutions

Chapter 4, Problem 4.28P
Textbook Problem

4-28 Answer true or false.

(a) A net ionic equation shows only those ions that undergo chemical reaction.

(b) In a net ionic equation, the number of moles of starting material must equal the number of moles of product.

(c) A net ionic equation must be balanced by both mass and charge.

(d) As a generalization, all lithium, sodium, and potassium salts are soluble in water.

(e) As a generalization, all nitrate (NO3- salts are soluble in water.

(f) As a generalization, most carbonate (CO3) salts are insoluble in water.

(g) Sodium carbonate, Na2CO3, is insoluble in water.

(h) Ammonium carbonate, (NH4 )2CO3, is insoluble in water.

(j) Calcium carbonate, CaCO3, is insoluble in water.

(j) Sodium dihydrogen phosphate, NaH2PO4, is insoluble in water.

(k) Sodium hydroxide, NaOH, is soluble in water.

(l) Barium hydroxide, Ba(OH)2, is soluble in water.

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Chapter 4 Solutions

Introduction to General, Organic and Biochemistry
Ch. 4.6 - Problem 4-11 How many molecules of water, H2O, are...Ch. 4.7 - Problem 4-12 Pure aluminum is prepared by the...Ch. 4.7 - Problem 4-13 In the industrial synthesis of acetic...Ch. 4.7 - Problem 4-14 Ethanol is produced industrially by...Ch. 4.7 - Problem 4-15 Assume that 6.0 g of C and 2.1 g of...Ch. 4.7 - Problem 4-16 In an experiment to prepare aspirin,...Ch. 4 - 4-17 Balance each equation.Ch. 4 - 4-18 Balance each equation.Ch. 4 - 4-19 If you blow carbon dioxide gas into a...Ch. 4 - 4-20 Calcium oxide is prepared by heating...Ch. 4 - 4-21 The brilliant white light in some firework...Ch. 4 - 4-22 The rusting of iron is a chemical reaction of...Ch. 4 - 4-23 When solid carbon burns in a limited supply...Ch. 4 - 4-24 Solid ammonium carbonate, decomposes at room...Ch. 4 - 4-25 In the chemical test for arsenic, the gas...Ch. 4 - 4-28 When a piece of aluminum metal is dropped...Ch. 4 - 4-27 In the industrial chemical preparation of...Ch. 4 - 4-28 Answer true or false. (a) A net ionic...Ch. 4 - 4-29 Balance these net ionic equations. (a)...Ch. 4 - 4-30 In the equation (a) Identify the spectator...Ch. 4 - 4-31 Predict whether a precipitate will form when...Ch. 4 - 4-32 When a solution of ammonium chloride is added...Ch. 4 - 4-33 When a solution of hydrochloric acid, HCl, is...Ch. 4 - 4-34 When a solution of sodium hydroxide is added...Ch. 4 - 4-35 Using the solubility generalizations given in...Ch. 4 - 4-36 Using the solubility generalizations given in...Ch. 4 - 4-37 Answer true or false. (a) When a substance is...Ch. 4 - 4-38 In the reaction (a) Which species is oxidized...Ch. 4 - 4-39 In the reaction (a) Which species is oxidized...Ch. 4 - 4-40 When a piece of sodium metal is added to...Ch. 4 - 4-41 Answer true or false. (a) Formula weight is...Ch. 4 - 4-42 Calculate the formula weight of: (a) KCl (b)...Ch. 4 - 4-43 Calculate the molecular weight of: (a)...Ch. 4 - 4-44 Answer true or false. (a) The mole is a...Ch. 4 - 4-45 Calculate the number of moles in: (a) 32 g of...Ch. 4 - 4-46 Calculate the number of grams in: (a) 1.77...Ch. 4 - 4-47 Calculate the number of moles of: (a) O atoms...Ch. 4 - 4-48 Calculate the number of moles of: (a) S2-...Ch. 4 - 4-49 Calculate the number of: (a) nitrogen atoms...Ch. 4 - 4-50 How many molecules are in each of the...Ch. 4 - 4-51 What is the mass in grams of each number of...Ch. 4 - 4-52 The molecular weight of hemoglobin is about...Ch. 4 - 4-53 A typical deposit of cholesterol, C27H46O, in...Ch. 4 - 4-54 Answer true or false. (a) Stoichiometry is...Ch. 4 - 4-55 For the reaction: (a) How many moles of N2...Ch. 4 - 4-56 Magnesium reacts with sulfuric acid according...Ch. 4 - 4-57 Chloroform, CHCl3, is prepared industrially...Ch. 4 - 4-58 At one time, acetaldehyde was prepared...Ch. 4 - 4-59 Chlorine dioxide, ClO2, is used for bleaching...Ch. 4 - 4-60 Ethanol, C2H6O, is added to gasoline to...Ch. 4 - 4-61 In photosynthesis, green plants convert CO2...Ch. 4 - 4-62 Iron ore is converted to iron by heating it...Ch. 4 - 4-63 Given the reaction in Problem 4-62, how many...Ch. 4 - 4-64 Aspirin is made by the reaction of salicylic...Ch. 4 - 4-65 Suppose the preparation of aspirin from...Ch. 4 - 4-66 Benzene reacts with bromine to produce...Ch. 4 - 4-67 Ethyl chloride is prepared by the reaction of...Ch. 4 - 4-68 Diethyl ether is made from ethanol according...Ch. 4 - 4-69 Answer true or false. (a) Heat of reaction is...Ch. 4 - 4-70 What is the difference between exothermic and...Ch. 4 - 4-71 Which of these reactions are exothermic, and...Ch. 4 - 4-72 In the following reaction, 9.80 kcal is...Ch. 4 - 4-73 Following is the equation for the combustion...Ch. 4 - 4-74 The oxidation of glucose, C6H1206, to carbon...Ch. 4 - 4-75 The heat of combustion of glucose, C6H12O6,...Ch. 4 - 4-76 A piant requires approximately 4178 kcal for...Ch. 4 - 4-77 To convert 1 mol of iron(III) oxide to its...Ch. 4 - 4-78 (Chemical Connections 4A) How does fluoride...Ch. 4 - 4-79 (Chemical Connections 4A) What ions are...Ch. 4 - 4-80 (Chemical Connections 4B) A voltaic cell is...Ch. 4 - 4-81 (Chemical Connections 4C) Balance the lithium...Ch. 4 - 4-82 When gaseous dinitrogen pentoxide, N2O5, is...Ch. 4 - 4-83 In a certain reaction, Cu+ is converted to...Ch. 4 - 4-84 Using the equation: (a) Show that this is a...Ch. 4 - 4-85 Methyl tertiary butyl ether (or MTBE), a...Ch. 4 - 4-86 When an aqueous solution of Na3PO4 is added...Ch. 4 - 4-87 The active ingredient in an analgesic tablet...Ch. 4 - 4-88 Chlorophyll, the compound responsible for the...Ch. 4 - 4-89 If 7.0 kg of is added to 11.0 kg of to form...Ch. 4 - 4-90 Lead(lI) nitrate and aluminum chloride react...Ch. 4 - 4-91 Assume that the average red blood cell has a...Ch. 4 - 4-92 Reaction of pentane, C5H12, with oxygen, O2,...Ch. 4 - 4-93 Ammonia is prepared industrially by the...Ch. 4 - 4-94 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is...Ch. 4 - 4-95 Furan, an organic compound used in the...Ch. 4 - 4-96 A sample of gold consisting of 8.68 10 atoms...Ch. 4 - 4-97 Consider the production of KClO4(aq) via the...Ch. 4 - 4-98 Elemental chlorine is commonly used to kill...Ch. 4 - 4-99 The two major sources of energy in our diets...Ch. 4 - 4-100 The heat of combustion of methane, CH4, the...Ch. 4 - 4-101 An automobile with gasoline consisting of...Ch. 4 - 4-102 Aspartame, an artificial sweetener used as a...Ch. 4 - 4-103 Caffeine, a central nervous system...

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