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 Chapter12: Gaseous Chemical Equilibrium
Chapter Questions Section: Chapter Questions
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 Problem 11QAP: Write an equation for an equilibrium system that would lead to the following expressions (ac) for K....
Related questions
Consider the chemical reaction system represented by the following equation:
2 SO2 (g) + O2 (g) ⇆ 2 SO3 (g)
The initial concentrations were 0.40 M SO2 (g) 1.6 M O2 (g) and 29.7 M 2 SO3 (g). The equilibrium concentration of SO2 is 1.2 M. Determine the value of Keq.
Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.
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