Chemistry
13th Edition
ISBN: 9781259911156
Author: Raymond Chang Dr., Jason Overby Professor
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 14.4, Problem 9PE
Consider the reaction in Example 14.9. Starting with a concentration of 0.040 M for HI, calculate the concentrations of HI, H2, and I2 at equilibrium.
Example 14.9
A mixture of 0.500 mol H2 and 0.500 mol I2 was placed in a 1.00-L stainless-steel flask at 430°C. The equilibrium constant Kc for the reaction
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 14 Solutions
Chemistry
Ch. 14.1 - Consider the equilibrium XY, where the forward...Ch. 14.1 - The equilibrium constant Kc for a particular...Ch. 14.2 - Write Kc and Kp for the decomposition of...Ch. 14.2 - Carbonyl chloride (COCl2), also called phosgene,...Ch. 14.2 - Prob. 4PECh. 14.2 - Write equilibrium constant expressions for Kc and...Ch. 14.2 - Consider the following equilibrium at 395 K:...Ch. 14.2 - Prob. 7PECh. 14.2 - For which of the following reactions is Kc equal...Ch. 14.2 - You are given the equilibrium constant for the...
Ch. 14.2 - From the following equilibrium constant...Ch. 14.2 - Write the equilibrium constant expression for the...Ch. 14.3 - The equilibrium constant (Kc) for reaction AB+C is...Ch. 14.4 - The equilibrium constant (Kc) for the formation of...Ch. 14.4 - Consider the reaction in Example 14.9. Starting...Ch. 14.4 - At 1280C the equilibrium constant (Kc) for the...Ch. 14.4 - Use the following information to answer questions...Ch. 14.4 - Use the following information to answer questions...Ch. 14.4 - The equilibrium constant (Kc) for the A2+B22AB...Ch. 14.5 - At 430C, the equilibrium constant (KP) for the...Ch. 14.5 - Consider the equilibrium reaction involving...Ch. 14.5 - Consider the equilibrium between molecular oxygen...Ch. 14.5 - Prob. 1RCFCh. 14.5 - The diagram here shows the gaseous reaction 2AA2...Ch. 14.5 - The diagrams shown here represent the reaction...Ch. 14 - Define equilibrium. Give two examples of a dynamic...Ch. 14 - Explain the difference between physical...Ch. 14 - What is the law of mass action?Ch. 14 - Briefly describe the importance of equilibrium in...Ch. 14 - Define homogeneous equilibrium and heterogeneous...Ch. 14 - Prob. 14.6QPCh. 14 - Write the expressions for the equilibrium...Ch. 14 - Write equilibrium constant expressions for Kc, and...Ch. 14 - Write the equilibrium constant expressions for Kc...Ch. 14 - Write the equation relating Kc to KP, and define...Ch. 14 - What is the rule for writing the equilibrium...Ch. 14 - Give an example of a multiple equilibria reaction.Ch. 14 - Problems 14.13The equilibrium constant for the...Ch. 14 - The following diagrams represent the equilibrium...Ch. 14 - The equilibrium constant (Kc) for the reaction...Ch. 14 - Consider the following equilibrium process at...Ch. 14 - What is KP at 1273C for the reaction...Ch. 14 - The equilibrium constant KP for the reaction...Ch. 14 - Consider the following reaction: N2(g)+O2(g)2NO(g)...Ch. 14 - A reaction vessel contains NH3, N2, and H2 at...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - At equilibrium, the pressure of the reacting...Ch. 14 - The equilibrium constant KP for the reaction...Ch. 14 - Ammonium carbamate, NH4CO2NH2, decomposes as...Ch. 14 - Consider the following reaction at 1600C....Ch. 14 - Pure phosgene gas (COCl2), 3.00 102 mol, was...Ch. 14 - Consider the equilibrium 2NOBr(g)2NO(g)+Br2(g) If...Ch. 14 - A 2.50-mole quantity of NOCl was initially in a...Ch. 14 - The following equilibrium constants have been...Ch. 14 - The following equilibrium constants have been...Ch. 14 - The following equilibrium constants were...Ch. 14 - At a certain temperature the following reactions...Ch. 14 - Based on rate constant considerations, explain why...Ch. 14 - Explain why reactions with large equilibrium...Ch. 14 - Water is a very weak electrolyte that undergoes...Ch. 14 - Consider the following reaction, which takes place...Ch. 14 - Define reaction quotient. How does it differ from...Ch. 14 - Prob. 14.38QPCh. 14 - The equilibrium constant KP for the reaction...Ch. 14 - For the synthesis of ammonia N2(g)+2H2(g)2NH3(g)...Ch. 14 - For the reaction H2(g)+CO2(g)H2O(g)+CO(g) at 700C,...Ch. 14 - At 1000 K, a sample of pure NO2 gas decomposes:...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - The dissociation of molecular iodine into iodine...Ch. 14 - The equilibrium constant Kc for the decomposition...Ch. 14 - Consider the following equilibrium process at...Ch. 14 - Consider the heterogeneous equilibrium process:...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - Explain Le Chteliers principle. How can this...Ch. 14 - Use Le Chteliers principle to explain why the...Ch. 14 - List four factors that can shift the position of...Ch. 14 - Does the addition of a catalyst have any effects...Ch. 14 - Consider the following equilibrium system...Ch. 14 - Heating solid sodium bicarbonate in a closed...Ch. 14 - Consider the following equilibrium systems: (a)...Ch. 14 - Consider the equilibrium 2I(g)2I2(g) What would be...Ch. 14 - Consider the following equilibrium process:...Ch. 14 - Consider the reaction...Ch. 14 - In the uncatalyzed reaction N2O4(g)2NO2(g) the...Ch. 14 - Consider the gas-phase reaction...Ch. 14 - Consider the statement: The equilibrium constant...Ch. 14 - Pure nitrosyl chloride (NOCl) gas was heated to...Ch. 14 - Determine the initial and equilibrium...Ch. 14 - Diagram (a) shows the reaction A2(g)+B2(g)2AB(g)...Ch. 14 - The equilibrium constant (KP) for the formation of...Ch. 14 - Baking soda (sodium bicarbonate) undergoes thermal...Ch. 14 - Consider the following reaction at equilibrium:...Ch. 14 - The equilibrium constant KP for the reaction...Ch. 14 - Consider the following reacting system:...Ch. 14 - At a certain temperature and a total pressure of...Ch. 14 - Consider the reaction 2NO(g)+O2(g)2NO2(g) At 430C,...Ch. 14 - When heated, ammonium carbamate decomposes as...Ch. 14 - A mixture of 0.47 mole of H2 and 3.59 moles of HCl...Ch. 14 - When heated at high temperatures, iodine vapor...Ch. 14 - One mole of N2 and three moles of H2 are placed in...Ch. 14 - Prob. 14.79QPCh. 14 - A quantity of 6.75 g of SO2Cl2 was placed in a...Ch. 14 - Prob. 14.81QPCh. 14 - Prob. 14.82QPCh. 14 - Eggshells are composed mostly of calcium carbonate...Ch. 14 - The equilibrium constant KP for the following...Ch. 14 - When dissolved in water, glucose (corn sugar) and...Ch. 14 - At room temperature, solid iodine is in...Ch. 14 - Prob. 14.89QPCh. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - When heated, a gaseous compound A dissociates as...Ch. 14 - When a gas was heated under atmospheric...Ch. 14 - Prob. 14.93QPCh. 14 - At 20C, the vapor pressure of water is 0.0231 atm....Ch. 14 - Industrially, sodium metal is obtained by...Ch. 14 - In the gas phase, nitrogen dioxide is actually a...Ch. 14 - Prob. 14.99QPCh. 14 - The equilibrium constant for the reaction 4X+Y3Z...Ch. 14 - About 75 percent of hydrogen for industrial use is...Ch. 14 - Prob. 14.102QPCh. 14 - Consider the decomposition of ammonium chloride at...Ch. 14 - At 25C, the equilibrium partial pressures of NO2...Ch. 14 - Prob. 14.105QPCh. 14 - Prob. 14.107QPCh. 14 - Prob. 14.108QPCh. 14 - At 25C, a mixture of NO2 and N2O4 gases are in...Ch. 14 - A student placed a few ice cubes in a drinking...Ch. 14 - Consider the potential energy diagrams for two...Ch. 14 - The equilibrium constant Kc for the reaction...Ch. 14 - Prob. 14.113QPCh. 14 - The equilibrium constant (KP) for the reaction...Ch. 14 - The forward and reverse rate constants for the...Ch. 14 - Consider the reaction between NO2 and N2O4 in a...Ch. 14 - Prob. 14.118QPCh. 14 - (a) Use the vant Hoff equation in Problem 14.118...Ch. 14 - The KP for the reaction SO2Cl2(g)SO2(g)+Cl2(g) is...Ch. 14 - Prob. 14.121QPCh. 14 - Consider the following equilibrium system:...Ch. 14 - Prob. 14.125QPCh. 14 - Estimate the vapor pressure of water at 60C (see...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- At 2300 K the equilibrium constant for the formation of NO(g) is 1.7 103. N2(g) + O2(g) 2 NO(g) (a) Analysis shows that the concentrations of N2 and O2 are both 0.25 M, and that of NO is 0.0042 M under certain conditions. Is the system at equilibrium? (b) If the system is not at equilibrium, in which direction does the reaction proceed? (c) When the system is at equilibrium, what are the equilibrium concentrations?arrow_forwardAt room temperature, the equilibrium constant Kc for the reaction 2 NO(g) ⇌ N2(g) + O2(g) is 1.4 × 1030. Is this reaction product-favored or reactant-favored? Explain your answer. In the atmosphere at room temperature the concentration of N2 is 0.33 mol/L, and the concentration of O2 is about 25% of that value. Calculate the equilibrium concentration of NO in the atmosphere produced by the reaction of N2 and O2. How does this affect your answer to Question 11?arrow_forwardA solution is prepared by dissolving 0.050 mol of diiodocyclohexane, C5H10I2, in the solvent CCl4.The total solution volume is 1.00 L When the reaction C6H10I2 C6H10 + I2 has come to equilibrium at 35 C, the concentration of I2 is 0.035 mol/L. (a) What are the concentrations of C6H10I2 and C6H10 at equilibrium? (b) Calculate Kc, the equilibrium constant.arrow_forward
- Kc = 5.6 1012 at 500 K for the dissociation of iodine molecules to iodine atoms. I2(g) 2 I(g) A mixture has [I2] = 0.020 mol/Land [I] = 2.0 108 mol/L. Is the reaction at equilibrium (at 500 K)? If not, which way must the reaction proceed to reach equilibrium?arrow_forwardNitrosyl chloride, NOC1, decomposes to NO and Cl2 at high temperatures. 2 NOCl(g) ⇌ 2 NO(g) + Cl2(g) Suppose you place 2.00 mol NOC1 in a 1.00–L flask, seal it, and raise the temperature to 462 °C. When equilibrium has been established, 0.66 mol NO is present. Calculate the equilibrium constant Kc for the decomposition reaction from these data.arrow_forwardBecause calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go a step further and examine the equilibrium between carbonate ion and CaCOj. The reaction is Ca2+(aq) + COj2_(aq) ** CaCO,(s) The equilibrium constant for this reaction is 2.1 X 10*. If the initial calcium ion concentration is 0.02 AI and the carbonate concentration is 0.03 AI, what are the equilibrium concentrations of the ions? A student is simulating the carbonic acid—hydrogen carbonate equilibrium in a lake: H2COj(aq) H+(aq) + HCO}‘(aq) K = 4.4 X 10"7 She starts with 0.1000 AI carbonic acid. What are the concentrations of all species at equilibrium?arrow_forward
- Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide. H2(g) + CO2(g) H2O(g) + CO(g) (a) Laboratory measurements at 986 C show that there are 0.11 mol each of CO and H2O vapor and 0.087 mol each of H2 and CO2 at equilibrium in a 50.0-L container. Calculate the equilibrium constant for the reaction at 986 C. (b) Suppose 0.010 mol each of H2 and CO2 are placed in a 200.0-L container. When equilibrium is achieved at 986 C, what amounts of CO(g) and H2O(g), in moles, would be present? [Use the value of Kc from part (a).]arrow_forwardGaseous acetic acid molecules have a certain tendency to form dimers. (A dimer is a molecule formed by the association of two identical, simpler molecules.) The equilibrium constant Kc at 25C for this reaction is 3.2 104. a If the initial concentration of CH3COOH monomer (the simpler molecule) is 4.0 104 M, what are the concentrations of monomer and dimer when the system comes to equilibrium? (The simpler quadratic equation is obtained by assuming that all of the acid molecules have dimerized and then some of it dissociates to monomer.) b Why do acetic acid molecules dimerize? What type of structure would you draw for the dimer? c As the temperature increases would you expect the percentage of dimer to increase or decrease? Why?arrow_forwardThe equilibrium constant for the dissociation of iodine molecules to iodine atoms I2(g) 2 I(g) is 3.76 103 at 1000 K. Suppose 0.105 mol of I2 is placed in a 12.3-L flask at 1000 K. What are the concentrations of I2 and I when the system comes to equilibrium?arrow_forward
- Sulfuryl chloride is used in organic chemistry as a chlorinating agent. At moderately high temperatures it decomposes as follows: SO2Cl2(g)SO2(g)+Cl2(g) with Kc = 0.045 at 650 K. a A sample of 8.25 g of SO2Cl2 is placed in a 1.00-L reaction vessel and heated to 650 K. What are the equilibrium concentrations of all of the species? b What fraction of SO2Cl2 has decomposed? c If 5 g of chlorine is inserted into the reaction vessel, what qualitative effect would this have on the fraction of SO2Cl2 that has decomposed?arrow_forwardFor the reaction N2(g)+3H2(g)2NH3(g) show that Kc = Kp(RT)2 Do not use the formula Kp = Kc(RT)5n given in the text. Start from the fact that Pi = [i]RT, where Pi is the partial pressure of substance i and [i] is its molar concentration. Substitute into Kc.arrow_forwardAn experimenter places the following concentrations of gases in a closed container: [NOBr] = 7.13 102 M, [NO] = 1.58 102 M. [Br2] = 1.29 102 M. These gases then react: 2NOBr(g)2NO(g)+Br2(g) At the temperature of the reaction, the equilibrium constant Kc is 3.07 104. Calculate the reaction quotient, Qc, from the initial concentrations and determine whether the concentration of NOBr increases or decreases as the reaction approaches equilibrium. a Qc = 6.33 104; the concentration of NOBr decreases b Qc = 6.33 104; the concentration of NOBr increases c Qc = 1.58 104; the concentration of NOBr increases d Qc = 4.65 104; the concentration of NOBr decreases e Qc = 4.65 104; the concentration of NOBr increasesarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781285199030Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781285199030
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemical Equilibria and Reaction Quotients; Author: Professor Dave Explains;https://www.youtube.com/watch?v=1GiZzCzmO5Q;License: Standard YouTube License, CC-BY