General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 16.8, Problem 16.11P
Consider the following endothermic decomposition of AB2 molecules:
(a) What is the sign (+, –, or 0) of ΔS° for the reaction?
(b) Is the reaction more likely to be spontaneous at high temperatures or at low temperatures? Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Chapter 16 Solutions
General Chemistry: Atoms First
Ch. 16.1 - Predicting the Sign of S Predict the sign of S in...Ch. 16.2 - Prob. 16.2PCh. 16.2 - Prob. 16.3CPCh. 16.3 - Which state has the higher entropy? Explain in...Ch. 16.5 - Calculate the standard entropy of reaction at 25C...Ch. 16.6 - By determining the sign of Stotal, show whether...Ch. 16.7 - Consider the decomposition of gaseous N2O4:...Ch. 16.7 - The following data apply to the vaporization of...Ch. 16.7 - What are the signs (+, , or 0) of H, S, and G for...Ch. 16.8 - Consider the thermal decomposition of calcium...
Ch. 16.8 - Consider the following endothermic decomposition...Ch. 16.9 - (a)Using values of Gf in Appendix B, calculate the...Ch. 16.10 - Calculate G for the formation of ethylene (C2H4)...Ch. 16.10 - Consider the following gas-phase reaction of A2...Ch. 16.11 - Given the data in Appendix B, calculate Kp at 25 C...Ch. 16.11 - Use the data in Appendix B to calculate the vapor...Ch. 16.11 - At 25 C, Kw for the dissociation of water is 1.0 ...Ch. 16.11 - Prob. 16.18PCh. 16.11 - Prob. 16.19PCh. 16 - Ideal gases A (red spheres) and B (blue spheres)...Ch. 16 - What are the signs (+, , or 0) of H, S, and G for...Ch. 16 - What are the signs (+, , or 0) of H, S, and G for...Ch. 16 - An ideal gas is compressed at constant...Ch. 16 - Consider the following spontaneous reaction of A2...Ch. 16 - Consider the dissociation reactionA2(g)2A(g). The...Ch. 16 - Prob. 16.26CPCh. 16 - Prob. 16.27CPCh. 16 - Prob. 16.28CPCh. 16 - Prob. 16.29CPCh. 16 - Prob. 16.30SPCh. 16 - Prob. 16.31SPCh. 16 - Prob. 16.32SPCh. 16 - Prob. 16.33SPCh. 16 - Prob. 16.34SPCh. 16 - Prob. 16.35SPCh. 16 - Prob. 16.36SPCh. 16 - Prob. 16.37SPCh. 16 - Prob. 16.38SPCh. 16 - Predict the sign of S for each process in Problem...Ch. 16 - Prob. 16.40SPCh. 16 - Prob. 16.41SPCh. 16 - Prob. 16.42SPCh. 16 - Prob. 16.43SPCh. 16 - Prob. 16.44SPCh. 16 - Prob. 16.45SPCh. 16 - Which state in each of the following pairs has the...Ch. 16 - Which State in each of the following pairs has the...Ch. 16 - Prob. 16.48SPCh. 16 - Prob. 16.49SPCh. 16 - Prob. 16.50SPCh. 16 - Which substance in each of the following pairs...Ch. 16 - Prob. 16.52SPCh. 16 - Prob. 16.53SPCh. 16 - Prob. 16.54SPCh. 16 - Prob. 16.55SPCh. 16 - Prob. 16.56SPCh. 16 - Prob. 16.57SPCh. 16 - Prob. 16.58SPCh. 16 - Prob. 16.59SPCh. 16 - Prob. 16.60SPCh. 16 - Prob. 16.61SPCh. 16 - In lightning storms, oxygen is converted to ozone:...Ch. 16 - Sulfur dioxide emitted from coal-fired power...Ch. 16 - Elemental mercury can be produced from its oxide:...Ch. 16 - Prob. 16.65SPCh. 16 - For the vaporization of benzene, Hvap = 30.7kJ/mol...Ch. 16 - For the melting of sodium chloride, Hfusion =...Ch. 16 - Prob. 16.68SPCh. 16 - Prob. 16.69SPCh. 16 - Prob. 16.70SPCh. 16 - Prob. 16.71SPCh. 16 - Prob. 16.72SPCh. 16 - Given the data in Problem 16.67, calculate G for...Ch. 16 - Prob. 16.74SPCh. 16 - Prob. 16.75SPCh. 16 - Prob. 16.76SPCh. 16 - Prob. 16.77SPCh. 16 - Prob. 16.78SPCh. 16 - Use the data in Appendix B to calculate H and S...Ch. 16 - Prob. 16.80SPCh. 16 - Prob. 16.81SPCh. 16 - Use the data in Appendix B to tell which of the...Ch. 16 - Prob. 16.83SPCh. 16 - Prob. 16.84SPCh. 16 - Prob. 16.85SPCh. 16 - Ethanol is manufactured in industry by the...Ch. 16 - Sulfur dioxide in the effluent gases from...Ch. 16 - Prob. 16.88SPCh. 16 - Prob. 16.89SPCh. 16 - Prob. 16.90SPCh. 16 - Prob. 16.91SPCh. 16 - Prob. 16.92SPCh. 16 - What is G for the formation of solid uranium...Ch. 16 - Prob. 16.94SPCh. 16 - Prob. 16.95SPCh. 16 - What is the relationship between the standard...Ch. 16 - What is the relationship between the standard...Ch. 16 - Prob. 16.98SPCh. 16 - Prob. 16.99SPCh. 16 - Prob. 16.100SPCh. 16 - At 25 C, Ka for acid dissociation of aspirin...Ch. 16 - Prob. 16.102SPCh. 16 - Calculate the equilibrium partial pressure of...Ch. 16 - Ethylene oxide, C2H4O, is used to make antifreeze...Ch. 16 - The first step in the commercial production of...Ch. 16 - Prob. 16.106CHPCh. 16 - Prob. 16.107CHPCh. 16 - Prob. 16.108CHPCh. 16 - Prob. 16.109CHPCh. 16 - Prob. 16.110CHPCh. 16 - The standard free-energy change at 25 C for the...Ch. 16 - Prob. 16.112CHPCh. 16 - Prob. 16.113CHPCh. 16 - Prob. 16.114CHPCh. 16 - Prob. 16.115CHPCh. 16 - Use the data in Appendix B to calculate H, S, and...Ch. 16 - Troutons rule says that the ratio of the molar...Ch. 16 - Prob. 16.118CHPCh. 16 - Prob. 16.119CHPCh. 16 - Prob. 16.120CHPCh. 16 - Use the data in Appendix B to calculate the...Ch. 16 - Prob. 16.122CHPCh. 16 - Prob. 16.123CHPCh. 16 - Prob. 16.124CHPCh. 16 - Prob. 16.125CHPCh. 16 - Prob. 16.126CHPCh. 16 - Prob. 16.127CHPCh. 16 - Prob. 16.128CHPCh. 16 - Prob. 16.129CHPCh. 16 - Prob. 16.130CHPCh. 16 - Prob. 16.131CHPCh. 16 - Prob. 16.132CHPCh. 16 - Prob. 16.133MPCh. 16 - Prob. 16.134MPCh. 16 - One step in the commercial synthesis of sulfuric...Ch. 16 - Prob. 16.136MPCh. 16 - Prob. 16.137MPCh. 16 - A 1.00 L volume of gaseous ammonia at 25.0 C and...Ch. 16 - Consider the unbalanced equation:...Ch. 16 - A mixture of NO2 and N2O4, each at an initial...
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
- How is the sign of q, heat, defined? How does it relate to the total energy of the system?arrow_forwardThe free energy for a reaction decreases as temperature increases. Explain how this observation is used to determine the sign of either H or S.arrow_forwardWhat is the second law of thermodynamics? For any process, there are four possible sign combinations for Ssys and Ssurr. Which sign combination(s) always give a spontaneous process? Which sign combination(s) always give a non-spontaneous process? Which sign combination(s) may or may not give a spontaneous process?arrow_forward
- What is meant by the standard free-energy change G for a reaction? What is meant by the standard free energy of formation Gf of a substance?arrow_forwardHow does the second law of thermodynamics explain a spontaneous change in a system that becomes more ordered when that process is exothermic?arrow_forwardWhat is the sign of the standard Gibbs free-energy change at low temperatures and at high temperatures for the synthesis of ammonia? 3H2(g) + N2(g) 2NH3(g)arrow_forward
- For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then use those values to answer the following questions. (a) Is this reaction spontaneous at 25°C? Explain your answer. (b) If the reaction is not spontaneous at 25°C, will it become spontaneous at higher temperatures or lower temperatures? (c) To show that your prediction is accurate, choose a temperature that corresponds to your prediction in part (b) and calculate G . (Assume that both enthalpy and entropy are independent of temperature.)arrow_forwardWhat is the sign of the standard Gibbs free-energy change at low temperatures and at high temperatures for the combustion of acetaldehyde? CH3CHO(l)+52O2(g)2CO2+2H2O(l)arrow_forwardFor the reaction at 298 K, 2NO2(g)N2O4(g) the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is the value of G at 298 K? Assuming that H and S do not depend on temperature, at what temperature is G = 0? Is G negative above or below this temperature?arrow_forward
- Indicate whether the following processes are spontaneous or nonspontaneous. (a) Liquid water freezing at a temperature below its freezing point (b) Liquid water freezing at a temperature above its freezing point (c) The combustion of gasoline (d) A ball thrown into the air (e) A raindrop falling to the ground (f) Iron rusting in a moist atmospherearrow_forwardChemists and engineers who design nuclear power plants have to worry about high-temperature reactions because it is possible for water to decompose. (a) Under what conditions does this reaction occur spontaneously? 2H2O(g) 2H2(g) + O2(g) (b) Under conditions where the decomposition of water is spontaneous, do nuclear engineers have to worry about an oxygen/hydrogen explosion? Justify your answer.arrow_forwardSolid NH4NO3 is placed in a beaker containing water at 25 C. When the solid has completely dissolved, the temperature of the solution is 23.5 C. (a) Was the process exothermic or endothermic? (b) Was the process spontaneous? (c) Did the entropy of the system increase? (d) Did the entropy of the universe increase?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
General 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 Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
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
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY