Problem 1QAP: The following data are for the system A(g)2B(g) (a) How long does it take the system to reach... Problem 2QAP: The following data are for the system A(g)2B(g) (a) How long does it take the system to reach... Problem 3QAP Problem 4QAP: Complete the table below for the reaction 3A(g)+B(g)2C(g) Problem 5QAP: Write the equilibrium expressions (K) for the following reactions: (a) CH4(g)+H2O(l)CO(g)+3H2(g) (b)... Problem 6QAP: Write the equilibrium expressions (K) for the following reactions: (a) Na2CO3(s)2NaO(s)+CO2(g) (b)... Problem 7QAP: Write the equilibrium expressions (K) for the following reactions: (a) 2NO3(aq)+8... Problem 8QAP: Write the equilibrium expressions (K) for the following reactions: (a) I2(s)+2Cl(g)Cl2(g)+2 I(aq)... Problem 9QAP: Given the following descriptions of reversible reactions, write a balanced equation (smallest... Problem 10QAP: Given the following descriptions of reversible reactions, write a balanced net ionic equation... Problem 11QAP: Write an equation for an equilibrium system that would lead to the following expressions (ac) for K.... Problem 12QAP: Write a chemical equation for an equilibrium system that would lead to the following expressions... Problem 13QAP: Consider the following reaction at 250C: A(s)+2B(g)C(s)+2D(g) (a) Write an equilibrium constant... Problem 14QAP: Consider the following reaction at 1000 C: NO(g)+12 Cl2(g)NOCl(g) (a) Write an equilibrium constant... Problem 15QAP: At 627C, K=0.76 for the reaction 2SO2(g)+O2(g)2SO3(g) Calculate K at 627C for (a) the synthesis of... Problem 16QAP: At 800C, K=2.2104 for the following reaction 2H2S(g)2H2(g)+S2(g) Calculate K at 8000C for (a) the... Problem 17QAP Problem 18QAP: Given the following data at 25C 2NO(g)N2(g)+O2(g)K=1 10 30 2NO(g)+Br2(g)2NOBr(g)K=8 101 Calculate K... Problem 19QAP: Given the following data at a certain temperature, 2N2(g)+O2(g)2N2O(g)K=1.2 10 35... Problem 20QAP: Consider the following hypothetical reactions and their equilibrium constants at 75C,... Problem 21QAP: When one mole of carbon disulfide gas reacts with hydrogen gas, methane and hydrogen sulfide gases... Problem 22QAP: Calculate K for the formation of methyl alcohol at 100C: CO(g)+2H2(g)CH3OH(g) given that at... Problem 23QAP: Ammonium carbamate solid (NH4CO2NH2) decomposes at 313 K into ammonia and carbon dioxide gases. At... Problem 24QAP: Consider the decomposition at 25C of one mole of NOBr gas into NO and Br2 gases. At equilibrium, the... Problem 25QAP: Consider the decomposition of ammonium hydrogen sulfide: NH4HS(s)NH3(g)+H2S(g) In a sealed flask at... Problem 26QAP: A sealed flask has 0.541 atm of SO3 at 1000 K. The following equilibrium is established.... Problem 27QAP: A gaseous reaction mixture contains 0.30 atm SO2, 0.16 atm Cl2, and 0.50 atm SO2Cl2 in a 2.0-L... Problem 28QAP: For the system PCl5(g)PCl3(g)+Cl2(g)K is 26 at 300C. In a 1.0-L flask at 300C, a gaseous mixture... Problem 29QAP: The reversible reaction between hydrogen chloride gas and one mole of oxygen gas produces steam and... Problem 30QAP: The reversible reaction between hydrogen chloride gas and one mole of oxygen gas produces steam and... Problem 31QAP: A compound, X, decomposes at 131C according to the following equation: 2X(g)A(g)+3C(g)K=1.1103 If a... Problem 32QAP: Consider the following reaction at 75C: 3R(s)+2Q(g)A(g)+5B(l)K=9.4 A 10.0-L sample contains 0.30 mol... Problem 33QAP: Consider the reaction between nitrogen and steam: 2N2(g)+6H2O(g)4NH3(g)+3O2(g)At a certain... Problem 34QAP: At 500C, k for the for the formation of ammonia from nitrogen and hydrogen gases is 1.5105.... Problem 35QAP: At a certain temperature, K is 4.9 for the formation of one mole of bromine chloride gas (BrCl) from... Problem 36QAP: At a certain temperature, K=0.29 for the decomposition of two moles of iodine trichloride, ICl3(s),... Problem 37QAP: For the reaction N2(g)+2H2O(g)2NO(g)+2H2(g) K is 1.54103. When equilibrium is established, the... Problem 38QAP: Nitrogen dioxide can decompose to nitrogen oxide and oxygen. 2NO2(g)2NO(g)+O2(g) K is 0.87 at a... Problem 39QAP: Consider the following reaction: N2(g)+O2(g)2NO(g)At a certain temperature, the equilibrium constant... Problem 40QAP: Consider the hypothetical reaction at 325C R(g)+Q(g)2Z(g)K=2.71 What are the equilibrium partial... Problem 41QAP: At a certain temperature, the equilibrium constant for the following reaction is 0.0472.... Problem 42QAP: At 460C, the reaction SO2(g)+NO2(g)NO(g)+SO3(g) has K=84.7. All gases are at an initial pressure of... Problem 43QAP: Solid ammonium iodide decomposes to ammonia and hydrogen gases at sufficiently high temperatures.... Problem 44QAP: Consider the following decomposition at 80C. PH3BCl3(s)PH3(g)+Bcl3(g)K=0.054 Twenty grams of PH3BCl3... Problem 45QAP: Hydrogen cyanide, a highly toxic gas, can decompose to cyanogen and hydrogen gases,... Problem 46QAP: At 800 K, hydrogen iodide can decompose into hydrogen and iodine gases. 2HI(g)I2(g)+H2(g) At this... Problem 47QAP: For the following reactions, predict whether the pressure of the reactants or products increases or... Problem 48QAP: Follow the directions of Question 47 for the following reactions: (a) 2H2O(l)+O2(g)2H2O2(g) (b)... Problem 49QAP: Consider the system SO3(g)SO2(g)+12 O2(g)H=98.9kJ (a) Predict whether the forward or reverse... Problem 50QAP: Consider the system 4NH3(g)+3O2(g)2N2(g)+6H2O(l)H=1530.4kJ (a) How will the amount of ammonia at... Problem 51QAP: Predict the direction in which each of the following equilibria will shift if the pressure on the... Problem 52QAP: Predict the direction in which each of the following equilibria will shift if the pressure on the... Problem 53QAP: At a certain temperature, nitrogen and oxygen gases combine to form nitrogen oxide gas.... Problem 54QAP: Consider the following hypothetical reaction: X2(g)+R(s)X2R(g) R has a molar mass of 73 g/mol. When... Problem 55QAP: Iodine chloride decomposes at high temperatures to iodine and chlorine gases.... Problem 56QAP: Sulfur oxychloride, SO2Cl2, decomposes to sulfur dioxide and chlorine gases. SO2Cl2(g)SO2(g)+Cl2(g)... Problem 57QAP: For the following reaction C(s)+2H2(g)CH4(g) K=0.26 at 1000C (3 significant figures). What is the... Problem 58QAP: For the system 2SO3(g)2SO2(g)+O2(g) K=1.32 at 627. What is the equilibrium constant at 555C? Problem 59QAP: For a certain reaction, H is +33 kJ. What is the ratio of the equilibrium constant at 400 K to that... Problem 60QAP Problem 61QAP: Hemoglobin (Hb) binds to both oxygen and carbon monoxide. When the carbon monoxide replaces the... Problem 62QAP: Mustard gas, used in chemical warfare in World War I, has been found to be an effective agent in the... Problem 63QAP Problem 64QAP: For the decomposition of CaCO3 at 900C, K=1.04. CaCO3(s)CaO(s)+O2(g)Find the smallest mass of CaCO3... Problem 65QAP: Isopropyl alcohol is the main ingredient in rubbing alcohol. It can decompose into acetone (the main... Problem 66QAP: Consider the equilibrium H2(g)+S(s)H2S(g)When this system is at equilibrium at 25C in a 2.00-L... Problem 67QAP Problem 68QAP: The following data apply to the unbalanced equation A(g)B(g) (a) On the basis of the data, balance... Problem 69QAP: Consider the reaction: A(g)+2B(g)+C(s)2D(g)At 25C, only A, B, and C are present. The partial... Problem 70QAP: For the reaction C(s)+CO2(g)2CO(g) K=168 at 1273 K. If one starts with 0.3 atm of CO2 and 12.0 g of... Problem 71QAP: Consider the system A(g)+2B(g)+C(g)2D(g)at 25C. At zero time, only A, B, and C are present. The... Problem 72QAP: The graph below is similar to that of Figure 12.2. If after 100 s have elapsed the partial pressure... Problem 73QAP Problem 74QAP: The figures below represent the following reaction at equilibrium at different temperatures.... Problem 75QAP Problem 76QAP Problem 77QAP: Consider the following reaction at a certain temperature: 2NO(g)+O22NO2(g)A reaction mixture... Problem 78QAP Problem 79QAP: Ammonia can decompose into its constituent elements according to the reaction 2NH3(g)N2(g)+3H2(g)The... Problem 80QAP: Hydrogen iodide gas decomposes to hydrogen gas and iodine gas: 2HI(g)H2(g)+I2(g)To determine the... Problem 81QAP: For the system SO3(g)SO2(g)+12 O2(g)at 1000 K, K=0.45. Sulfur trioxide, originally at 1.00 atm... Problem 82QAP: A student studies the equilibrium I2(g)2I(g)at a high temperature. She finds that the total pressure... Problem 83QAP: At a certain temperature, the reaction Xe(g)+2F2(g)XeF4(g)gives a 50.0% yield of XeF4, starting with... Problem 84QAP: Benzaldehyde, a flavoring agent, is obtained by the dehydrogenation of benzyl alcohol.... Problem 85QAP Problem 86QAP format_list_bulleted