1 Matter And Measurements 2 Atoms, Molecules, And Ions 3 Mass Relations In Chemistry; Stoichiometry 4 Reactions In Aqueous Solution 5 Gases 6 Electronic Structure And The Periodic Table 7 Covalent Bonding 8 Thermochemistry 9 Liquids And Solids 10 Solutions 11 Rate Of Reaction 12 Gaseous Chemical Equilibrium 13 Acids And Bases 14 Equilibria In Acid-base Solutions 15 Complex Ion And Precipitation Equilibria 16 Spontaneity Of Reaction 17 Electrochemistry 18 Nuclear Reactions 19 Complex Ions 20 Chemistry Of The Metals 21 Chemistry Of The Nonmetals 22 Organic Chemistry 23 Organic Polymers, Natural And Synthetic expand_more
Chapter Questions expand_more
Problem 1QAP: Write a net ionic equation for the reaction between aqueous solutions of (a) ammonia and... Problem 2QAP: Write a net ionic equation for the reaction between aqueous solutions of (a) sodium acetate... Problem 3QAP: Write a balanced net ionic equation for the reaction of each of the following aqueous solutions with... Problem 4QAP: Write a balanced net ionic equation for the reaction between the following aqueous solutions and OH-... Problem 5QAP: Calculate K for the reactions in Question 1. Problem 6QAP: Calculate K for the reactions in Question 2. Problem 7QAP: Calculate K for the reactions in Question 3. Problem 8QAP: Calculate K for the reactions in Question 4. Problem 9QAP: Calculate [H+] and pH in a solution in which lactic acid, HC3H5O3, is 0.250 M and the lactate ion,... Problem 10QAP: Calculate [OH-] and pH in a solution in which the hydrogen sulfite ion, HSO3-, is 0.429 M and the... Problem 11QAP: A buffer is prepared by dissolving 0.0250 mol of sodium nitrite, NaNO2, in 250.0 mL of 0.0410 M... Problem 12QAP Problem 13QAP: A buffer solution is prepared by adding 15.00 g of sodium acetate (NaC2H3O2) and 12.50 g of acetic... Problem 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to... Problem 15QAP: A solution with a pH of 9.22 is prepared by adding water to 0.413 mol of KX to make 2.00 L of... Problem 16QAP: An aqueous solution of 0.057 M weak acid, HX, has a pH of 4.65. What is the pH of the solution if... Problem 17QAP: Which of the following would form a buffer if added to 250.0 mL of 0.150 M SnF2? (a) 0.100 mol of... Problem 18QAP: Which of the following would form a buffer if added to 295 mL of 0.380 M HCl? (a) 0.100 mol of NH4Cl... Problem 19QAP: Calculate the solubility (in grams per liter) of silver chloride in the following. (a) pure water... Problem 20QAP: Calculate the solubility (in grams per liter) of magnesium hydroxide in the following. (a) pure... Problem 21QAP: Copper(l) chloride, CuCl, is the starting material for the fungicide copper oxychloride. At 25C, a... Problem 22QAP Problem 23QAP Problem 24QAP: Ksp for CaSO4 at 100C is estimated to be1.6105. At 25C, 0.915 g of CaSO4 is added to one liter of... Problem 25QAP Problem 26QAP: At 25C, 10.24 mg of Cr(OH)2 are dissolved in enough water to make 125 mL of solution. When... Problem 27QAP: Calcium nitrate is added to a sodium sulfate solution that is 0.0150 M. (a) At what concentration of... Problem 28QAP: Cadmium(ll) chloride is added to a solution of potassium hydroxide with a pH of 9.62.... Problem 29QAP: Water from a well is found to contain 3.0 mg of calcium ion per liter. If 0.50 mg of sodium sulfate... Problem 30QAP: Silver(I) sulfate (Ksp=1.2105) is used in the electroplating of silver. A 1.0-L solution is prepared... Problem 31QAP: A solution is prepared by mixing 13.00 mL of 0.0021 M aqueous Hg2(NO3)2 with 25.0 mL of 0.015 M HCl.... Problem 32QAP: A solution is prepared by mixing 45.00 mL of 0.022 M AgNO3 with 13.00 mL of 0.0014 M Na2CO3. Assume... Problem 33QAP: A solution is 0.047 M in both NaF and Na2CO3. Solid strontium nitrate, Sr(NO3)2, is added without... Problem 34QAP: Solid lead nitrate is added to a solution that is 0.020 M in OH- and SO42-. Addition of the lead... Problem 35QAP: A solution is made up by adding 0.632 g of barium nitrate and 0.920 g of lanthanum nitrate, to... Problem 36QAP: A solution is made up by adding 0.839 g of silver(I) nitrate and 1.024 g of lead(II) nitrate to... Problem 37QAP Problem 38QAP: To a beaker with 500 mL of water are added 95 mg of Ba(NO3)2, 95 mg of Ca(NO3)2, and 100.0 mg of... Problem 39QAP: Write net ionic equations for the reaction of H+ with (a) Fe2S3 (b) Mg(OH)2 (c) MgCO3 (d) Pt(NH3)42+... Problem 40QAP Problem 41QAP Problem 42QAP: Write a net ionic equation for the reaction with ammonia by which (a) Cu(OH)2 dissolves. (b) Cd2+... Problem 43QAP Problem 44QAP: Write a net ionic equation for the reaction with Al3+ by which (a) a complex ion forms when it... Problem 45QAP Problem 46QAP: Write an overall net ionic equation and calculate K for the reaction where Co(OH)2(Ksp=21016) is... Problem 47QAP: Consider the reaction AgC2H3O2(s)+Cl(aq)AgCl(s)+C2H3O2(aq)(a) Calculate K for the reaction. (b) Will... Problem 48QAP: Consider the reaction BaF2(s)+SO42(aq)BaSO4(s)+2 F(aq) (a) Calculate K for the reaction. (b) Will... Problem 49QAP: Aluminum hydroxide reacts with an excess of hydroxide ions to form the complex ion Al(OH)4-. (a)... Problem 50QAP Problem 51QAP: Calculate the molar solubility of gold(I) chloride (Ksp=2.01013) in 0.10 M NaCN. The complex ion... Problem 52QAP: Calculate the molar solubility of PbCl2 in 0.2 M NaOH. The complex formed is Pb(OH)3(K f=3.81014).... Problem 53QAP: For the reaction CdC2O4+4NH3(aq)Cd(NH3)42+(aq)+C2O42(aq) (a) calculate K. (Ksp for CdC2O4 is... Problem 54QAP: For the reaction Zn(OH)2(s)+2OH(aq)Zn(OH)42(aq) (a) Calculate K for the reaction. (b) Find [OH-]... Problem 55QAP: What are the concentrations of Cu2+, NH3, and Cu(NH3)42+at equilibrium when 18.8 g of are... Problem 56QAP Problem 57QAP: Calcium ions in blood trigger clotting. To prevent that in donated blood, sodium oxalate, Na2C2O4,... Problem 58QAP Problem 59QAP: A town adds 2.0 ppm of F- ion to fluoridate its water supply. (Fluoridation of water reduces the... Problem 60QAP: Consider the following hypothetical dissociation: AB3(s) A3+(aq)+3 B(aq)H0What effect will each of... Problem 61QAP Problem 62QAP: Consider a 2.0-L aqueous solution of 4.17 M NH3, where 21.0 g of NH4Cl are dissolved. To this... Problem 63QAP: Marble is almost pure CaCO3. Acid rain has a devastating effect on marble statuary left outdoors.... Problem 64QAP Problem 65QAP Problem 66QAP: The box below represents one liter of a saturated solution of the species , where squares represent... Problem 67QAP: Consider a saturated solution of BaCO3 at 7.5C. Answer the following questions using LT (for is less... Problem 68QAP Problem 69QAP: Consider the insoluble salts JQ, K2R, L2S3, MT2, and NU3. They are formed from the metal ions J+,... Problem 70QAP Problem 71QAP: Consider the equilibrium curve for AgCl shown below. Which of the following statements about a... Problem 72QAP: Dissolving CaCO3 is an endothermic reaction. The following five graphs represent an experiment done... Problem 73QAP: Challenge Problems Insoluble hydroxides such as Zn(OH)2 are better dissolved in solutions that are... Problem 74QAP: What is the solubility of CaF2 in a buffer solution containing 0.30 M HCHO2 and 0.20 M NaCHO2? Hint:... Problem 75QAP: What is [Br-] just as AgCl begins to precipitate when 1.5 M AgNO3 is slowly added to a solution... 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