1 Basic Concepts Of Chemistry 2 Atoms Molecules And Ions 3 Chemical Reactions 4 Stoichiometry: Quantitative Information About Chemical Reactions 5 Principles Of Chemical Reactivity: Energy And Chemical Reactions 6 The Structure Of Atoms 7 The Structure Of Atoms And Periodic Trends 8 Bonding And Molecular Structure 9 Bonding And Molecular Structure: Orbital Hybridization And Molecular Orbitals 10 Gases And Their Properties 11 Intermolecular Forces And Liquids 12 The Solid State 13 Solutions And Their Behavior 14 Chemical Kinetics: The Rates Of Chemical Reactions 15 Principles Of Chemical Reactivity: Equilibria 16 Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases 17 Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria 18 Principles Of Chemical Reactivity: Entropy And Free Energy 19 Principles Of Chemical Reactivity: Electron Transfer Reactions 20 Environmental Chemistry-earth's Environment, Energy, And Sustainability 21 The Chemistry Of The Main Group Elements 22 The Chemistry Of The Transistion Elements 23 Carbon: Not Just Another Element 24 Biochemistry 25 Nuclear Chemistry expand_more
15.1 Chemical Equilibrium: A Review 15.2 The Equilibrium Constant And Reaction Quotient 15.3 Determining An Equilibrium Constant 15.4 Using Equilibrium Constants In Calculations 15.5 More About Balanced Equations And Equilibrium Constants 15.6 Disturbing A Chemical Equilibrium Chapter Questions expand_more
Problem 1PS: Write equilibrium constant expressions for the following reactions. For gases, use either pressures... Problem 2PS: Write equilibrium constant expressions for the following reactions. For gases, use either pressures... Problem 3PS: Kc = 5.6 1012 at 500 K for the dissociation of iodine molecules to iodine atoms. I2(g) 2 I(g) A... Problem 4PS: The reaction 2 NO2(g) N2O4(g) has an equilibrium constant, Kc, of 170 at 25 C. If 2.0 103 mol of... Problem 5PS: A mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] =... Problem 6PS: The equilibrium constant Kc, for the reaction 2 NOCI(g) 2 NO(g) + Cl2(g) is 3.9 103 at 300 C. A... Problem 7PS: The reaction PCl5(g) PCl3(g) + Cl2(g) was examined at 250 C. At equilibrium, [PCl5] = 4.2 105... Problem 8PS: An equilibrium mixture of SO2, O2, and SO3 at a high temperature contains the gases at the following... Problem 9PS: The reaction C(s) + CO2(g) 2 CO(g) occurs at high temperatures. At 700 C, a 200.0-L tank contains... Problem 10PS: Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide. H2(g) +... Problem 11PS: A mixture of CO and Cl2 is placed in a reaction flask: [CO] = 0.0102 mol/L and [Cl2] = 0.00609... Problem 12PS: You place 0.0300 mol of pure SO3 in an 8.00-L flask at 1150 K. At equilibrium, 0.0058 mol of O2 has... Problem 13PS: The value of Kc for the interconversion of butane and isobutane is 2.5 at 25 C. If you place 0.017... Problem 14PS: Cyclohexane, C6H12, a hydrocarbon, can isomerize or change into methylcyclopentane, a compound of... Problem 15PS: The equilibrium constant for the dissociation of iodine molecules to iodine atoms I2(g) 2 I(g) is... Problem 16PS: The equilibrium constant, Kc, for the reaction N2O4(g) 2 NO2(g) at 25 C is 5.9 103. Suppose 15.6 g... Problem 17PS: Carbonyl bromide decomposes to carbon monoxide and bromine. COBr2(g) CO(g) + Br2(g) Kc is 0.190 at... Problem 18PS: Iodine dissolves in water, but its solubility in a nonpolar solvent such as CCl4 is greater.... Problem 19PS: Which of the following correctly relates the equilibrium constants for the two reactions shown?... Problem 20PS: Which of the following correctly relates the equilibrium constants for the two reactions shown?... Problem 21PS: Consider the following equilibria involving SO2(g) and their corresponding equilibrium constants.... Problem 22PS: The equilibrium constant K for the reaction CO2(g) CO(g) + O2(g) is 6.66 1012 at 1000 K.... Problem 23PS: Calculate K for the reaction SnO2(s) + 2 CO(g) Sn(s) + 2 CO2(g) given the following information:... Problem 24PS: Calculate K for the reaction Fe(s) + H2O(g) FeO(s) + H2(g) given the following information:... Problem 25PS: Relationship of Kc and Kp: (a) Kp for the following reaction is 0.16 at 25 C. What is the value of... Problem 26PS: Relationship of Kc and Kp: (a) The equilibrium constant, Kc, for the following reaction at 25 C is... Problem 27PS: Dinitrogen trioxide decomposes to NO and NO2, in an endothermic process (rH = 40.5 kJ/mol-rxn).... Problem 28PS: Kp for the following reaction is 0.16 at 25 C: 2 NOBr(g) 2 NO(g) + Br2(g) The enthalpy change for... Problem 29PS: Consider the isomerization of butane with an equilibrium constant of K = 2.5. (See Study Question... Problem 30PS: The decomposition of NH4HS NH4HS(s) NH3(g) + H2S(g) is an endothermic process. Using Le Chateliers... Problem 31GQ: Suppose 0.086 mol of Br2 is placed in a 1.26-L flask and heated to 1756 K, a temperature at which... Problem 32GQ: The equilibrium constant for the reaction N2(g) + O2(g) 2 NO(g) is 1.7 103 at 2300 K. (a) What is... Problem 33GQ: Kp for the formation of phosgene, COCl2, is 6.5 1011 at 25 C. CO(g) + Cl2(g) COCl2(g) What is the... Problem 34GQ: The equilibrium constant, Kc, for the following reaction is 1.05 at 350 K. 2 CH2Cl2(g) CH4(g) +... Problem 35GQ: Carbon tetrachloride can be produced by the following reaction: CS2(g) + 3 Cl2(g) S2Cl2(g) +... Problem 36GQ: Equal numbers of moles of H2 gas and I2 vapor are mixed in a flask and heated to 700 C. The initial... Problem 37GQ: The equilibrium constant for the butane isobutane isomerization reaction is 2.5 at 25 C. If 1.75... Problem 38GQ: At 2300 K the equilibrium constant for the formation of NO(g) is 1.7 103. N2(g) + O2(g) 2 NO(g)... Problem 39GQ: Which of the following correctly relates the two equilibrium constants for the two reactions shown?... Problem 40GQ: Consider the following equilibrium: COBr2(g) CO(g) + Br2(g)Kc = 0.190 at 73 C (a) A 0.50 mol sample... Problem 41GQ: Heating a metal carbonate leads to decomposition. BaCO3(s) BaO(s) + CO2(g) Predict the effect on... Problem 43GQ: Phosphorus pentachloride decomposes at elevated temperatures. PCl5(g) PCl3(g) + Cl2(g) An... Problem 44GQ: Ammonium hydrogen sulfide decomposes on heating. NH4HS(s) NH3(g) + H2S(g) If Kp for this reaction... Problem 45GQ: Ammonium iodide dissociates reversibly to ammonia and hydrogen iodide if the salt is heated to a... Problem 46GQ: When solid ammonium carbamate sublimes, it dissociates completely into ammonia and carbon dioxide... Problem 48GQ: In the gas phase, acetic acid exists as an equilibrium of monomer and dimer molecules. (The dimer... Problem 49GQ: Assume 3.60 mol of ammonia is placed in a 2.00-L vessel and allowed to decompose to the elements at... Problem 50GQ: The total pressure for a mixture of N2O4 and NO2 is 0.15 atm. If Kp = 7.1 (at 25 C), calculate the... Problem 51GQ: Kc for the decomposition of ammonium hydrogen sulfide is 1.8 104 at 25 C. NH4HS(s) NH3(g) + H2S(g)... Problem 52GQ Problem 53GQ: A 15-L flask at 300 K contains 6.44 g of a mixture of NO2 and N2O4 in equilibrium. What is the total... Problem 54GQ: Lanthanum oxalate decomposes when heated to lanthanum(III) oxide, CO, and CO2. La2(C2O4)3(s) ... Problem 55GQ: The reaction of hydrogen and iodine to give hydrogen iodide has an equilibrium constant, Kc, of 56... Problem 56GQ: Sulfuryl chloride, SO2Cl2 is used as a reagent in the synthesis of organic compounds. When heated to... Problem 57GQ: Hemoglobin (Hb) can form a complex with both O2 and CO. For the reaction HbO2(aq) + CO(g) HbCO(aq)... Problem 58GQ: Limestone decomposes at high temperatures. CaCO3(s) CaO(s) + CO2(g) At 1000 C, Kp = 3.87. If pure... Problem 59GQ: At 1800 K, oxygen dissociates very slightly into its atoms. O2(g) 2 O(g)KP= 1.2 1010 If you place... Problem 60GQ: Nitrosyl bromide, NOBr, dissociates readily at room temperature. NOBr(g) NO(g) + Br2(g) Some NOBr... Problem 61GQ: A Boric acid and glycerin form a complex B(OH)3(aq) + glycerin(aq) B(OH)3 glycerin(aq) with an... Problem 62GQ: The dissociation of calcium carbonate has an equilibrium constant of Kp = 1.16 at 800 C. CaCO3(s) ... Problem 63GQ: A sample of N2O4 gas with a pressure of 1.00 atm is placed in a flask. When equilibrium is achieved,... Problem 64GQ Problem 66IL: The photograph below shows what occurs when a solution of potassium chromate is treated with a few... Problem 67IL: The photographs below (a) show what occurs when a solution of iron(III) nitrate is treated with a... Problem 69SCQ: Decide whether each of the following statements is true or false. If false, change the wording to... Problem 70SCQ: Neither PbCl2 nor PbF2 is appreciably soluble in water. If solid PbCl2 and solid PbF2 are placed in... Problem 71SCQ: Characterize each of the following as product- or reactant-favored at equilibrium. (a) CO(g) + ... Problem 72SCQ: The size of a flask containing colorless N2O4(g) and brown NO2(g) at equilibrium is rapidly reduced... Problem 73SCQ: Describe an experiment that would allow you to prove that the system 3 H2(g) + N2(g) 2 NH3(g) is a... Problem 74SCQ: The chapter opening photograph (page 670) showed how the cobalt(II) chloride equilibrium responded... Problem 75SCQ: Suppose a tank initially contains H2S at a pressure of 10.00 atm and a temperature of 800 K. When... Problem 76SCQ: Pure PCl5 gas is placed in a 2.00-L flask. After heating to 250 C the pressure of PCl5 is initially... format_list_bulleted