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: Do polyatomic ions dissociate when they dissolve in water, or do they remain intact? 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: 16. Describe the difference between a molecular equation, a complete ionic equation, and net ionic... 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 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: Vinegar forms bubbles when it is poured into the calcium deposits on a faucet, and some of the... Problem 28E: When a chemical drain opener is added to a clogged sink, bubbles from and the water in the sink gets... Problem 29E: 29. When a commercial hair bleaching mixture is applied to brown hair, the hair turns blond. Has a... 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: 39. When solid sodium is added to liquid water, it reacts with the water to produce hydrogen gas and... Problem 40E: When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Write a... Problem 41E: 41. Sulfuric acid in acid rain forms when gaseous sulfur dioxide pollutant reacts with gaseous... Problem 42E: Nitric acid in acid rain forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen... Problem 43E Problem 44E Problem 45E: 45. Write a balance chemical equation for the fermentation of sugar by yeasts in which the aqueous... Problem 46E: Write a balanced chemical equation for the photosynthesis reaction in which gaseous carbon dioxide... Problem 47E: 47. Balance each chemical equation.
a.
b.
c.
d.
Problem 48E: Balance each chemical equation. a. N2H4(l)NH3(g)+N2(g) b. H2(g)+N2(g)NH3(g) c.... Problem 49E: 49. Balance each chemical equation.
a.
b.
c.
d.
Problem 50E: Balance each chemical equation. a. MnO2(s)+HCl(aq)Cl2(g)+MnCl2(aq)+H2O(l) b.... Problem 51E: 51. Is each chemical equation correctly balanced? If not, correct it.
a.
b.
c.
d.
Problem 52E Problem 53E Problem 54E: Propane camping stoves produce heat by the combustion of gaseous propane (C3H8). Balance the... Problem 55E: 55. Catalytic converters work to remove nitrogen oxides and carbon monoxide from exhaust. Balance... Problem 56E Problem 57E: 57. Is each compound soluble or insoluble? For the soluble compounds, identify the ions present in... Problem 58E: 58. Is each compound soluble or insoluble? For the soluble compounds, identify the ions present in... Problem 59E: 59. Pair each cation on the left with an anion on the right that will from an insoluble compound... Problem 60E: Pair each cation on the left with an anion on the right that will form a soluble compound with it... Problem 61E: 61. Move any misplaced compounds to the correct column.
Soluble Insoluble
BaS
MgS
SrS
Problem 62E Problem 63E: Complete and balance each equation. If no reaction occurs, write NO REACTION. a. KI(aq)+BaS(aq) b.... Problem 64E: Complete and balance each equation. If no reaction occurs, write NO REACTION. a. NaOH(aq)+FeBr3(aq)... Problem 65E: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of... Problem 66E: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of... Problem 67E: Correct any incorrect equations. If no reaction occurs, write NO REACTION. a.... Problem 68E: 68. Correct any incorrect equations. If no reaction occurs, write NO REACTION.
a.
b.
c.
d.
Problem 69E: 69. Identify the spectator ions in the complete ionic equation.
Problem 70E: Identify the spectator ions in the complete ionic equation.... Problem 71E: 71. Write balanced complete ionic and net ionic equations for each reaction.
a.
b.
c.
d.
Problem 72E: Write balanced complete ionic and net ionic equations for each reaction. a.... Problem 73E: Mercury(I) ions (Hg22+) can be removed from solution by precipitation with Cl-. Suppose a solution... Problem 74E: 74. Lead ions can be removed from solution by precipitation with sulfate ions. Suppose a solution... Problem 75E: Write complete ionic and net ionic equations for each of the reactions in problem 67. Write a... Problem 76E: 76. Write complete ionic and net ionic equations for each of the reactions in problem 68. Write a... Problem 77E: When a hydrochloric acid solution is combined with a potassium hydroxide solution, an acid-base... Problem 78E: 78. A breaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular... Problem 79E: 79. Complete and balance each acid-base reaction.
a.
b.
c.
Problem 80E: Complete and balance each acid-base reaction. a. HC2H3O2(aq)+Ca(OH)2(aq) b. HBr(aq)+LiOH(aq) c.... Problem 81E: 81. Complete and balance each gas evolution reaction.
a.
b.
c.
d.
Problem 82E: Complete and balance each gas evolution reaction. a. HClO4(aq)+K2CO3(aq) b. HC2H3O2(aq)+LiHSO3(aq)... Problem 83E: Which reactions are redox reactions? a. Ba(NO3)2(aq)+K2SO4(aq)BaSO4(s)+2KNO3(aq) b.... Problem 84E: Which reactions are redox reactions? a. Al(s)+3Ag+(aq)Al3+(aq)+3Ag(s) b. 4K(s)+O2(g)2K2O(s) c.... Problem 85E Problem 86E: 86. Complete and balance each combustion reaction.
a.
b.
c.
d.
Problem 87E: 87. Write a balanced chemical equation for the synthesis reaction of with each metal.
a. Ag(s)
b.... Problem 88E: Write a balanced chemical equation for the synthesis reaction of Cl2(g) with each metal. a. Zn(s) b.... Problem 89E: 89. Classify each chemical reaction as a synthesis, decomposition, single-displacement, or... Problem 90E: 90. Classify each chemical reaction as a synthesis, decomposition, single-displacement, or... Problem 91E Problem 92E: 92. A main source of soulful oxide pollutants are smelters where sulfide ores are converted into... Problem 93E: Predict the products of each reaction and write balanced complete ionic and net ionic equations for... Problem 94E: Predict the products of each reaction and write balanced complete ionic and net ionic equations for... Problem 95E Problem 96E: 96. Predict the products of each reaction and write balanced complete ionic and net ionic equations... Problem 97E: Predict the type of reaction (if any) that occurs between each pair of substances. Write balanced... Problem 98E Problem 99E: Classify each reaction in as many ways as possible. a. 2Al(s)+3Cu(NO3)2(aq)2Al(NO3)2(aq)+3Cu(s) b.... Problem 100E: Classify each reaction in as many ways as possible. a. NaCl(aq)+AgNO3(aq)AgCl(s)+NaNO3(aq) b.... Problem 101E: Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add... Problem 102E: Lakes that have been acidified by acid rain (HNO3andH2SO4) can be neutralized by a process called... Problem 103E: 103. What solution can you add to each cation mixture to precipitate one cation while keeping the... Problem 104E Problem 105E: A solution contains an unknown amount of dissolved calcium. Addition of 0.112 mol of K3PO4 causes... Problem 106E Problem 107E Problem 108E Problem 109E: 109. Shown here are molecular views of two different possible mechanisms by which an automobile... Problem 110E: Precipitation reactions often produce brilliant colors. Look at the photographs of each... Problem 111QGW Problem 112QGW: Memorize the solubility rules. Without referring back to the rules, have each group member list two... Problem 113QGW: Define and give an example of each of the following classes of reactions: precipitation, acid-base,... Problem 114DIA: Water samples often contain dissolved ions such as Ca2+andFe2+. The presence of these ions can often... format_list_bulleted
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