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, Problem 16.66SP
For the vaporization of benzene, ΔHvap = 30.7kJ/mol and ΔSvap = 87.0 J/(K · mol). Calculate ΔSsurr and ΔStotal at:
- (a) 70 °C
- (b) 80 °C
- (c) 90 °C
Does benzene boil at 70 °C and 1 atm pressure? Calculate the normal boiling point of benzene.
Expert Solution & Answer
Trending nowThis is a popular 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
- Which contains greater entropy, a quantity of frozen benzene or the same quantity of liquid benzene at the same temperature? Explain in terms of the dispersal of energy in the substance.arrow_forwardWhat determines Ssurr for a process? To calculate Ssurr at constant pressure and temperature, we use the following equation: Ssurr = H/T. Why does a minus sign appear in the equation, and why is Ssurr inversely proportional to temperature?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
- Use the data in Appendix J to calculate rG andKPat 25 C for the reaction 2HBr(g)+Cl2(g)2HCl(g)+Br2() Comment on the connection between the sign of rG and the magnitude ofKP.arrow_forwardWhat is the sign of the standard Gibbs free-energy change at low temperatures and at high temperatures for the explosive decomposition of TNT? Use your knowledge of TNT and the chemical equation, particularly the phases, to answer this question. (Thermodynamic data for TNT are not in Appendix G.) 2C7H5N3O6(s) 3N2(g) + 5H2O() + 7C(s) + 7CO(g)arrow_forwardSilver carbonate, Ag2CO3, is a light yellow compound that decomposes when heated to give silver oxide and carbon dioxide: Ag2CO3(s)Ag2O(s)+CO2(g) A researcher measured the partial pressure of carbon dioxide over a sample of silver carbonate at 220C and found that it was 1.37 atm. Calculate the partial pressure of carbon dioxide at 25C. The standard enthalpies of formation of silver carbonate and silver oxide at 25C are 505.9 kJ/mol and 31.05 kJ/mol, respectively. Make any reasonable assumptions in your calculations. State the assumptions that you make, and note why you think they are reasonable.arrow_forward
- The combustion of acetylene, C2H2, is a spontaneous reaction given by the equation 2C2H2(g)+5O2(g)4CO2(g)+2H2O(l) As expected for a combustion, the reaction is exothermic. What is the sign of H? What do you expect for the sign of S? Explain the spontaneity of the reaction in terms of the enthalpy and entropy changes.arrow_forwardConsider the decomposition of red mercury(II) oxide under standard state conditions.. 2HgO(s,red)2Hg(l)+O2(g) (a) Is the decomposition spontaneous under standard state conditions? (b) Above what temperature does the reaction become spontaneous?arrow_forwardThe molecular scale pictures below show snapshots of a strong acid at three different instants after it is added to water. Place the three pictures in the correct order so that they show the progress of the spontaneous process that takes place as the acid dissolves in the water. Explain your answer in terms of entropyarrow_forward
- Some water is placed in a coffee-cup calorimeter. When 1.0 g of an ionic solid is added, the temperature of the solution increases from 21.5C to 24.2C as the solid dissolves. For the dissolving process, what are the signs for Ssys, Ssurr, and Suniv?arrow_forwardFor each of the following processes, identify the systemand the surroundings. Identify those processes that arespontaneous. For each spontaneous process, identify theconstraint that has been removed to enable the process to occur: Ammonium nitrate dissolves in water. Hydrogen and oxygen explode in a closed bomb. A rubber band is rapidly extended by a hangingweight. The gas in a chamber is slowly compressed by aweighted piston. A glass shatters on the floor.arrow_forwardFor 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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
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
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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 by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
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
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