Problem 1SAQ: Which process is a chemical reaction? a. Gasoline evaporating from a gasoline tank b. Iron rusting... Problem 2SAQ: How many oxygen atoms are on the reactant side of this chemical equation?... Problem 3SAQ: Q3. What is the coefficient for hydrogen in the balanced equation for the reaction of solid... Problem 4SAQ: Q4. Determine the correct set of coefficients to balance the chemical equation.
a 2, 15, 12, 6
b.... Problem 5SAQ: Which compound is soluble in water? a. Fe(OH)2 b. CuS c. AgCl d. CuCl2 Problem 6SAQ: Name the precipitate that forms (if any) when aqueous solutions of barium nitrate and potassium... Problem 7SAQ: Q7. Which set of reactants forms a solid precipitate when mixed?
a.
b.
c.
d.
Problem 8SAQ: Q8. What is the net ionic equation for the reaction between and
KBr (aq)?
a.
b.
c.
d.
Problem 9SAQ: Q9. Complete the equation:
a.
b.
c.
d. No reaction occurs.
Problem 10SAQ Problem 11SAQ: What are the products of the balanced equation for the combustion of C4H9OH? a. C4H9(s)+NaOH(aq) b.... Problem 12SAQ: Q12. Precipitation reactions are best classified as which type of reaction?
a. Single... Problem 1E: 1. What is a chemical reaction? List some examples.
Problem 2E: If you could observe atoms and molecules with the naked eye, what would you look for as conclusive... Problem 3E: 3. What are the main indications that a chemical reaction has occurred?
Problem 4E: What is a chemical equation? Provide an example and identify the reactants and products. Problem 5E Problem 6E: To balance a chemical equation, adjust the ______as necessary to make the numbers of each type of... Problem 7E: 7. Is the chemical equation balanced? Why or why not?
Problem 8E: 8. What is an aqueous solution? List two examples.
Problem 9E: 9. What does it mean if a compound is referred to as soluble? insoluble?
Problem 10E: Explain what happens to an ionic substance when it dissolves in water. Problem 11E Problem 12E: What is a strong electrolyte solution? Problem 13E: 13. What are the solubility rules, and how are they useful?
Problem 14E: What is a precipitation reaction? Provide an example and identify the precipitate. Problem 15E: 15. Is the precipitate in a precipitation reaction always a compound that is soluble or insoluble?... Problem 16E: In a precipitation reaction between lead(II) nitrate and sodium sulfate, what are the spectator... Problem 17E: What is an acid-base reaction? List an example and identify the acid and the base. Problem 18E Problem 19E: What is a gas evolution reaction? Give an example. Problem 20E: What is a redox reaction? Give an example. Problem 21E Problem 22E: Calcium reacts with water to produce hydrogen and calcium hydroxide, a base. Do you consider this an... Problem 23E: 23. Explain the difference between a synthesis reaction and a decomposition reaction and provide an... Problem 24E: 24. Explain the difference between a single-displacement reaction and a double-displacement reaction... Problem 25E: Which observation is consistent with a chemical reaction occurring? Why? a Solid copper deposits on... Problem 26E: Which observation is consistent with a chemical reaction occurring? Why? a. Propane forms a flame... Problem 27E Problem 28E: When a chemical drain opener is added to a clogged sink, bubbles from and the water in the sink gets... Problem 29E Problem 30E: When water is boiled in a pot, it bubbles. Has a chemical reaction occurred? Explain your answer. Problem 31E: For each chemical equation (which may or may not be balanced), list the number of each type of atom... Problem 32E: For each chemical equation (which may or may not be balanced), list the number of each type of atom... Problem 33E: 33. Consider the unbalanced chemical equation.
A chemistry student tries to balance the equation by... Problem 34E: Consider the unbalanced chemical equation. Al(s)+Cl2(g)AlCl3(s) A student tries to balance the... Problem 35E Problem 36E: Write a balanced chemical equation for each chemical reaction. a. Solid copper reacts with solid... Problem 37E: Write a balanced chemical equation for each chemical reaction. a. Solid magnesium reacts with... Problem 38E: Write a balanced chemical equation for each chemical reaction. a. Gaseous acetylene (C2H2) reacts... Problem 39E Problem 40E: WRITING AND BALANCING CHEMICAL EQUATIONS
40. Concentrated nitric acid is a strong oxidizing agent... Problem 41E Problem 42E: When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Write a... Problem 44E: Nitric acid in acid rain forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen... Problem 43E Problem 45E Problem 46E Problem 47E: 45. Write a balance chemical equation for the fermentation of sugar by yeasts in which the aqueous... Problem 48E: Write a balanced chemical equation for the photosynthesis reaction in which gaseous carbon dioxide... Problem 49E: 47. Balance each chemical equation.
a.
b.
c.
d.
Problem 50E: WRITING AND BALANCING CHEMICAL EQUATIONS Balance each chemical equation. (a) Fe2O3(s) + C(s) CO2(g)... Problem 51E: 49. Balance each chemical equation.
a.
b.
c.
d.
Problem 52E: Balance each chemical equation. a. MnO2(s)+HCl(aq)Cl2(g)+MnCl2(aq)+H2O(l) b.... Problem 53E: 51. Is each chemical equation correctly balanced? If not, correct it.
a.
b.
c.
d.
Problem 54E: WRITING AND BALANCING CHEMICAL EQUATIONS
54. Is each chemical equation correctly balanced? If not,... Problem 55E Problem 56E Problem 57E: 55. Catalytic converters work to remove nitrogen oxides and carbon monoxide from exhaust. Balance... Problem 58E Problem 59E: 57. Is each compound soluble or insoluble? For the soluble compounds, identify the ions present in... Problem 60E: 58. Is each compound soluble or insoluble? For the soluble compounds, identify the ions present in... Problem 61E: 59. Pair each cation on the left with an anion on the right that will from an insoluble compound... Problem 62E: Pair each cation on the left with an anion on the right that will form a soluble compound with it... Problem 63E: 61. Move any misplaced compounds to the correct column.
Soluble Insoluble
BaS
MgS
SrS
Problem 64E: SOLUBILITY Move any misplaced compounds to the correct column. Soluble Insoluble KOH KCl Pb(OH)2... Problem 65E: Complete and balance each equation. If no reaction occurs, write NO REACTION. a. KI(aq)+BaS(aq) b.... Problem 66E: PRECIPITATION REACTIONS
66. Complete and balance each equation. If no reaction occurs, write NO... Problem 67E: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of... Problem 68E: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of... Problem 69E: Correct any incorrect equations. If no reaction occurs, write NO REACTION. a.... Problem 70E: 68. Correct any incorrect equations. If no reaction occurs, write NO REACTION.
a.
b.
c.
d.
Problem 71E: 69. Identify the spectator ions in the complete ionic equation.
Problem 72E: Identify the spectator ions in the complete ionic equation.... Problem 73E: 71. Write balanced complete ionic and net ionic equations for each reaction.
a.
b.
c.
d.
Problem 74E Problem 75E: Mercury(I) ions (Hg22+) can be removed from solution by precipitation with Cl-. Suppose a solution... Problem 76E Problem 77E: Write complete ionic and net ionic equations for each of the reactions in problem 67. Write a... Problem 78E: 76. Write complete ionic and net ionic equations for each of the reactions in problem 68. Write a... Problem 79E: When a hydrochloric acid solution is combined with a potassium hydroxide solution, an acid-base... Problem 80E: 78. A breaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular... Problem 81E: 79. Complete and balance each acid-base reaction.
a.
b.
c.
Problem 82E: Complete and balance each acid-base reaction. a. HC2H3O2(aq)+Ca(OH)2(aq) b. HBr(aq)+LiOH(aq) c.... Problem 83E Problem 84E Problem 85E: Which reactions are redox reactions? a. Ba(NO3)2(aq)+K2SO4(aq)BaSO4(s)+2KNO3(aq) b.... Problem 86E: Which reactions are redox reactions? a. Al(s)+3Ag+(aq)Al3+(aq)+3Ag(s) b. 4K(s)+O2(g)2K2O(s) c.... Problem 87E: OXIDATION-REDUCTION AND COMBUSTION
87. Complete and balance each combustion reaction.
(a) C3Hg(g)... Problem 88E: 86. Complete and balance each combustion reaction.
a.
b.
c.
d.
Problem 89E: 87. Write a balanced chemical equation for the synthesis reaction of with each metal.
a. Ag(s)
b.... Problem 90E: Write a balanced chemical equation for the synthesis reaction of Cl2(g) with each metal. a. Zn(s) b.... Problem 91E: 89. Classify each chemical reaction as a synthesis, decomposition, single-displacement, or... Problem 92E: 90. Classify each chemical reaction as a synthesis, decomposition, single-displacement, or... Problem 93E Problem 94E: 92. A main source of soulful oxide pollutants are smelters where sulfide ores are converted into... Problem 95E: Predict the products of each reaction and write balanced complete ionic and net ionic equations for... Problem 96E Problem 97E Problem 98E: 96. Predict the products of each reaction and write balanced complete ionic and net ionic equations... Problem 99E: Predict the type of reaction (if any) that occurs between each pair of substances. Write balanced... Problem 100E Problem 101E Problem 102E Problem 103E: Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add... Problem 104E Problem 105E: 103. What solution can you add to each cation mixture to precipitate one cation while keeping the... Problem 106E Problem 107E Problem 108E Problem 109E: A solution contains an unknown amount of dissolved calcium. Addition of 0.112 mol of K3PO4 causes... Problem 110E Problem 111E Problem 112E Problem 113E: 109. Shown here are molecular views of two different possible mechanisms by which an automobile... Problem 114E: Precipitation reactions often produce brilliant colors. Look at the photographs of each... Problem 115E Problem 116E: Memorize the solubility rules. Without referring back to the rules, have each group member list two... Problem 117E: Define and give an example of each of the following classes of reactions: precipitation, acid-base,... format_list_bulleted