1 Introduction: Matter, Energy, And Measurement 2 Atoms, Molecules, And Ions 3 Chemical Reactions And Reaction Stoichiometry 4 Reactions In Aqueous Solution 5 Thermochemistry 6 Electronic Structure Of Atoms 7 Periodic Properties Of The Elements 8 Basic Concepts Of Chemical Bonding 9 Molecular Geometry And Bonding Theories 10 Gases 11 Liquids And Intermolecular Forces 12 Solids And Modern Materials 13 Properties Of Solutions 14 Chemical Kinetics 15 Chemical Equilibrium 16 Acid—base Equilibrium 17 Additional Aspects Of Aqueous Equilibrium 18 Chemistry Of The Environment 19 Chemical Thermodynamics 20 Electrochemistry 21 Nuclear Chemistry 22 Chemistry Of The Nonmetals 23 Transition Metals And Coordination Chemistry 24 The Chemistry Of Life: Organic And Biological Chemistry expand_more
15.1 The Concept Of Equilibrium 15.2 The Equilibrium Constant 15.3 Understanding And Working With Equilibrium Constant 15.4 Heterogeneous Equilibrium 15.5 Calculating Equilibrium Constants 15.6 Applications Equilibrium Constants 15.7 Le Chatelier's Principle Chapter Questions expand_more
Problem 1DE Problem 1E: Based on the following energy profile, predict whether kf > kr or kf < kr. Using Equation 15.5,... Problem 2E: 15.2 The following diagrams represent a hypothetical A →B, with A represented by red spheres and B... Problem 3E Problem 4E Problem 5E Problem 6E: 15.6 Ethene (C2H4) reacts with healogens (X2) by the following reacton:
C2H4 (g) + X2 (g) ⇌... Problem 7E: When lead(IV) oxide is heated above 300 O C, it decomposes according to the following reaction... Problem 8E Problem 9E: The reactin A2(g) + B(g) + A(g) + AB(g) has an equilibrium constant of KP = 2. The accompanying... Problem 10E Problem 11E Problem 12E: The following graph represents the yield of the compound AB at equilibrim in the reaction A(g) +... Problem 13E: Suppose that the gas-phase reactions A B and B A are both elementary processes with rate constants... Problem 14E Problem 15E Problem 16E: Write the expression for KC for the following reacions. In each case indicate whether the reaction... Problem 17E: When the following reaction come to equilibrium, does the equilibrium mixture contain mostly... Problem 18E Problem 19E Problem 20E Problem 21E: If Kc = 0.042 for PC13(g) + C12 (g) PC15 (g) at 500 k, what is the value of Kp for this reaction at... Problem 22E Problem 23E: 15.23 The equilibrium constant for the reaction
2NO(g) + Br2 (g) ⇌ 2NOBr(g)
Is KC = 1.3 X 10 -2 at... Problem 24E Problem 25E Problem 26E Problem 27E: The following equilibria were attained at 823 K: CoO(s) + H2(g) Co(s) + H2O(g) Kc = 67 CoO(s) + CO... Problem 28E: Consider the equilibrium N2(g) + O2(g) + Br2(g) 2 NOBr(g) Calcualte the equilibrium constant KP for... Problem 29E: Mercury(I) oxide decomposes into elemental mercury and elemental oxygen: 2Hg2 O (s) 4 Hg(l) + O 2... Problem 30E Problem 31E Problem 32E Problem 33E Problem 34E: Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: PC13(g) +... Problem 35E: A mixture of 0.10 mol of NO, 0.050 mol of H2, and 0.10 mol of H2O is placed in a 1.0-L vessel at 300... Problem 36E Problem 37E: A mixture of 0.2000 mol of CO2, 0.1000 mol of H2, and 0.1600 mol of H2O is placed in a 2.000-L... Problem 38E: 15.38 A flask is charged with 1.500 atm of N2O4(g) and 1.00 atm NO2(g) at 25 C, and the following... Problem 39E Problem 40E Problem 41E: a. If QC KC, in which direction will a reaction proceed in order to reach equilibrium? b. what... Problem 42E Problem 43E: At 100 OC , the equilibrium constant for the reaction COCl2 (g) CO(g) has the value KC= 2.19 10-6.... Problem 44E: 15.44 As shown in Table 15.2, KP for the equilibrium
N2(g) + 3H2 (g) ⇌ 2 NH3(g)
Is 4.51 X 10-5 at... Problem 45E: At 100 C, K = 0.078 for the reaction SO2Cl2 (g) SO2 (g) + Cl2 (g) In an equilibrium mixture of the... Problem 46E Problem 47E Problem 48E Problem 49E: At 800 k, the equilibrium constant for I2 (g) 2I(g) is Kc= 3.1 X 10-5. If an equilibrium mixture in... Problem 50E Problem 51E: At 2000 OC, the equilibrium constant for the reaction 2NO (g) N2 (g) +O2 (g) Is Kc =2.4 X 103. If... Problem 52E: For the equilibrium Br2 (g) + Cl2 (g) 2BrCl(g) At 400 K, K= 7.0. If 0.25 mol of Br2 and 0.55 mol of... Problem 53E: At 373 k, Kp = 0.416 for the equilibrium 2NOBr (g) 2NO (g)+ Br2(g) If the pressure of NOBr (g) and... Problem 54E: At 218 oC, KC= 1.2 X 10-4 for the equilibrium NH4 SH (s) NH3 (g) + H2 S (g) Calculate the... Problem 55E Problem 56E: At 80 oC, K =1.87 X 10-3 for the reaction PH3 BCl3 (s) PH3 (g) + BCl3 (g) Calculate the equilibrium... Problem 57E Problem 58E Problem 59E Problem 60E Problem 61E: Consider the following equilibrium for which H<0 2SO2 (g) + O2 (g) 2SO3 (g) How will each of the... Problem 62E Problem 63E: 15.63 How do the following changes affect the value of the equilibrium constant for a gasphase... Problem 64E Problem 65E: Consider the following equilibrium between oxides of nitrogen 3NO (g) NO (g) +NO(g) a. Use data in... Problem 66E Problem 67E: Ozone, O3, decomposes to molecular oxygen in the stratosphere according to the reaction 2O3 (g) 3O2... Problem 68E Problem 69E Problem 70E: 15.70 True or false: When the temperature of an exothermic reaction increases, the rate constant of... Problem 71AE Problem 72AE Problem 73AE: 15.73 A mixture of CH4 and H2O is passed over a nickel catalyst at 1000 K. The emerging gas is... Problem 74AE Problem 75AE Problem 76AE Problem 77AE Problem 78AE Problem 79AE Problem 80AE: For the equilibrium PH3BCI3 (s) PH3 (g) + BCI3 (g) Kp = 0.052 at 60 o C. Calculate Kc. After 3.00 g... Problem 81AE Problem 82AE Problem 83AE Problem 84AE: At 900 o C, Kc = 0.0108 for the reaction CaCO3(g) CaO(s) + CO2 (g) A mixture of CaCO3, CaO, and CO2... Problem 85AE Problem 86AE: The equilibrium constant Kc for C(s) +CO2 2CO(g) is 1.9 at 1000 K and 0.133 at 298 K. a. If excess... Problem 87AE Problem 88AE: Le Chatelier noted that many industrial processes of his time could be improved by an understanding... Problem 89AE Problem 90AE Problem 91AE: [15.91] An equilibrium mixture of H2, I2, and HI at 458 on C contains 0.112 mol H2, 0.112 mol I2,... Problem 92AE: Consider the hypothetical reaction A(g) + 2B(g) 2 C(g), for which Kc = 0.25 at a centain... Problem 93AE Problem 94AE Problem 95IE Problem 96IE: The following equilibria were measured at 823 K: CoO(s) + H2 (g) Co(s) + H2O (g) Kc = 67 H2 (g) +... Problem 97IE Problem 98IE Problem 99IE: At 800 K, the equilibrium constant for the reaction A2 (g) 2A (g) is Kc = 3.1 X 10-4. Assuming both... Problem 100IE Problem 101IE Problem 102IE format_list_bulleted