EBK CHEMICAL PRINCIPLES
8th Edition
ISBN: 9781305856745
Author: DECOSTE
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 10, Problem 99AE
If you calculate a value for
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Chapter 10 Solutions
EBK CHEMICAL PRINCIPLES
Ch. 10 - For the process A(l)A(g) , which direction is...Ch. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Predict the sign of S for each of the following...Ch. 10 - Prob. 8DQCh. 10 - Prob. 9DQCh. 10 - At 1 atm, liquid water is heated above 100°C. For...
Ch. 10 - Prob. 11DQCh. 10 - Prob. 12ECh. 10 - Prob. 13ECh. 10 - Prob. 14ECh. 10 - Consider the following energy levels, each capable...Ch. 10 - Prob. 16ECh. 10 - Prob. 17ECh. 10 - Which of the following involve an increase in the...Ch. 10 - Prob. 19ECh. 10 - Choose the substance with the larger positional...Ch. 10 - In the roll of two dice, what total number is the...Ch. 10 - Entropy can be calculated by a relationship...Ch. 10 - Calculate the energy required to change the...Ch. 10 - For nitrogen gas the values of CvandCp at 25°Care...Ch. 10 - Consider a rigid, insulated box containing 0.400...Ch. 10 - One mole of an ideal gas is contained in a...Ch. 10 - One mole of an ideal gas with a volume of 1.0 L...Ch. 10 - A cylinder with an initial volume of 10.0 L is...Ch. 10 - The molar heat capacities for carbon dioxide at...Ch. 10 - The molar entropy of helium gas at 25°C and 1.00...Ch. 10 - Consider the process A(l)A(g)75C155C which is...Ch. 10 - A sample of ice weighing 18.02 g, initially at...Ch. 10 - Calculate the entropy change for a process in...Ch. 10 - Calculate the change in entropy that occurs...Ch. 10 - The synthesis of glucose directly from CO2andH2O...Ch. 10 - A green plant synthesizes glucose by...Ch. 10 - Entropy has been described as “time’s arrow.”...Ch. 10 - For a gas phase reaction, what do you concentrate...Ch. 10 - What determines Ssurr for a process? To calculate...Ch. 10 - Predict the sign of Ssurr for the following...Ch. 10 - Calculate Ssurr for the following reactions at...Ch. 10 - For each of the following pairs of substances,...Ch. 10 - Predict the sign of S for each of the following...Ch. 10 - Prob. 44ECh. 10 - Prob. 45ECh. 10 - For the reaction CS2(g)+3O2(g)CO2(g)+2SO2(g) S is...Ch. 10 - For the reaction C2H2(g)+4F2(g)2CF4(g)+H2(g) S is...Ch. 10 - Ethanethiol ( C2H5SH ; also called ethyl...Ch. 10 - For mercury at 1 atm, the enthalpy of vaporization...Ch. 10 - The enthalpy of vaporization of ethanol is 38.7...Ch. 10 - For ammonia (NH3) the enthalpy of fusion is 5.65...Ch. 10 - It is quite common for a solid to change from one...Ch. 10 - As O2(l) is cooled at 1 atm, it freezes at 54.5 K...Ch. 10 - Prob. 54ECh. 10 - The value of G for the reaction...Ch. 10 - Of the functions H,S,andG , which dependsmost...Ch. 10 - For the reaction at 29° K, 2NO2(g)N2O4(g) the...Ch. 10 - Consider the reaction...Ch. 10 - Consider the reaction 2POCl3(g)2PCl3(g)+O2(g) a....Ch. 10 - Consider two reactions for the production of...Ch. 10 - Prob. 61ECh. 10 - Prob. 62ECh. 10 - When most biological enzymes are heated, they...Ch. 10 - For the reaction 2O(g)O2(g) a. predict the signs...Ch. 10 - Hydrogen cyanide is produced industrially by the...Ch. 10 - A reaction at constant T and P is spontaneous as...Ch. 10 - G predicts spontaneity for a reaction at constant...Ch. 10 - Using thermodynamic data from Appendix 4,...Ch. 10 - Prob. 69ECh. 10 - Using data from Appendix 4, calculate G for...Ch. 10 - Prob. 71ECh. 10 - One of the reactions that destroys ozone in the...Ch. 10 - Hydrogen sulfide can be removed from natural gas...Ch. 10 - Consider the autoionization of water at 25°C:...Ch. 10 - How can one estimate the value of K at...Ch. 10 - The standard free energies of formation and the...Ch. 10 - Consider the reaction...Ch. 10 - Prob. 78ECh. 10 - Consider the following reaction at 800. K:...Ch. 10 - Consider the following reaction at 298 K:...Ch. 10 - For the reaction A(g)+2B(g)C(g) the initial...Ch. 10 - Consider the following diagram of free energy (G)...Ch. 10 - Calculate G for H2O(g)+12O2(g)H2O2(g) at600. K,...Ch. 10 - Cells use the hydrolysis of adenosine...Ch. 10 - Carbon monoxide is toxic because it bonds much...Ch. 10 - One reaction that occurs in human metabolism is...Ch. 10 - At 25.0°C, for the reaction 2NO2(g)N2O4(g) the...Ch. 10 - Consider the relationship ln(K)=HRT+SR The...Ch. 10 - a. Use the equation in Exercise 88 to determine H...Ch. 10 - The equilibrium constant K for the reaction...Ch. 10 - The equilibrium constant for a certain reaction...Ch. 10 - A sample of a monatomic ideal gas at 1.00 atm...Ch. 10 - A sample of 1.75 moles of H2(Cv=20.5JK-1mol-1) at...Ch. 10 - A 1.50-mole sample of an ideal gas is allowed to...Ch. 10 - Consider 1.00 mole of CO2(g) at 300. K and 5.00...Ch. 10 - Prob. 96ECh. 10 - A mixture of hydrogen gas and chlorine gas...Ch. 10 - When the environment is contaminated by a toxic...Ch. 10 - If you calculate a value for G for a reaction...Ch. 10 - Given the following illustration, what can be said...Ch. 10 - Some water is placed in a coffee cup calorimeter....Ch. 10 - Using Appendix 4 and the following data, determine...Ch. 10 - Prob. 103AECh. 10 - Human DNA contains almost twice as much...Ch. 10 - The enthalpy of vaporization of chloroform (CHCl3)...Ch. 10 - Two crystalline forms of white phosphorus are...Ch. 10 - Monochloroethane (C2H5Cl) can be produced by...Ch. 10 - Acrylonitrile is the starting material used in the...Ch. 10 - Prob. 109AECh. 10 - Many biochemical reactions that occur in cells...Ch. 10 - Consider the following reaction at 35°C:...Ch. 10 - Consider the reaction H2(g)+Br2(g)2HBr(g) where...Ch. 10 - At 1500 K the process I2(g)2I(g)10atm10atm is not...Ch. 10 - Using the following data, calculate the value of...Ch. 10 - Sodium chloride is added to water (at 25°C) until...Ch. 10 - Prob. 116AECh. 10 - Prob. 117AECh. 10 - The deciding factor on why HF is a weak acid and...Ch. 10 - Prob. 119AECh. 10 - Calculate the entropy change for the vaporization...Ch. 10 - The standard entropy values (S°) for...Ch. 10 - Calculate the values of S and G for each of the...Ch. 10 - Calculate the changes in free energy, enthalpy,...Ch. 10 - Consider the isothermal expansion of 1.00 mole of...Ch. 10 - A 1.00-mole sample of an ideal gas in a vessel...Ch. 10 - One mole of an ideal gas with a volume of 6.67 L...Ch. 10 - Which of the following reactions (or processes)...Ch. 10 - For rubidium Hvap=69.0kJ/mol at 686°C, its...Ch. 10 - Given the thermodynamic data below, calculate S...Ch. 10 - Consider the reaction: H2S(g)+SO2(g)3S(g)+2H2O(l)...Ch. 10 - The following reaction occurs in pure water:...Ch. 10 - Consider the dissociation of a weak acid HA...Ch. 10 - Consider the reaction: PCl3(g)+Cl2(g)PCl5(g) a....Ch. 10 - The equilibrium constant for a certain reaction...Ch. 10 - Consider a 2.00-mole sample of Ar at 2.00 atm...Ch. 10 - Prob. 136CPCh. 10 - One mole of an ideal gas undergoes an isothermal...Ch. 10 - At least some of what is in the following quoted...Ch. 10 - You have a 1.00-L sample of hot water (90.°C)...Ch. 10 - Consider two perfectly insulated vessels. Vessel 1...Ch. 10 - If wet silver carbonate is dried in a stream of...Ch. 10 - Consider a weak acid HX. If a 0.10 M solution of...Ch. 10 - Using data from Appendix 4, calculate H , G , and...Ch. 10 - One mole of a monatomic ideal gas (for which...Ch. 10 - Consider the system A(g)B(g) a. 25°C. a. Assuming...Ch. 10 - Liquid water at 25°C is introduced into an...Ch. 10 - Consider 1.00 mole of an ideal gas that is...Ch. 10 - Prob. 148CPCh. 10 - Consider the reaction 2CO(g)+O2(g)2CO2(g) a. Using...Ch. 10 - Prob. 150CPCh. 10 - Prob. 151CPCh. 10 - Consider the following Cp values for N2(g) :...Ch. 10 - Benzene (C6H6) has a melting point of 5.5°C and...Ch. 10 - Prob. 154MPCh. 10 - Prob. 155MP
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- 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_forwardConsider the reaction of 2 mol H2(g) at 25C and 1 atm with 1 mol O2(g) at the same temperature and pressure to produce liquid water at these conditions. If this reaction is run in a controlled way to generate work, what is the maximum useful work that can be obtained? How much entropy is produced in this case?arrow_forwardFrom the values for G f given in Appendix 1, calculate G at 25C for each of the reactions in Question 19.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_forwardDefine the following: a. spontaneous process b. entropy c. positional probability d. system e. surroundings f. universearrow_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_forward
- Consider the reaction of 1 mol H2(g) at 25C and 1 atm with 1 mol Br2(l) at the same temperature and pressure to produce gaseous HBr at these conditions. If this reaction is run in a controlled way to generate work, what is the maximum useful work that can be obtained? How much entropy is produced in this case?arrow_forwardCalculate H and G for the following reactions at 25C, using thermodynamic data from Appendix C; interpret the signs of H and G. a 2PbO(s)+N2(g)2Pb(s)+2NO(g)\ b CS2(l)+2H2O(l)CO2(g)+2H2S(g)arrow_forwardFor the reaction TiCl2(s) + Cl2(g) TiCl4(), rG = 272.8 kj/mol-txn. Using this value and other data available in Appendix L, calculate the value of fG for TiCl2(s).arrow_forward
- When solid sodium acetate crystallizes from a supersaturated solution, can you accurately predict the sign of H for the crystallization? Why or why not?arrow_forwardWhat is the third law of thermodynamics? What are standard entropy values, S, and how are these S values (listed in Appendix 4) used to calculate S for a reaction? How would you use Hesss law to calculate S for a reaction? What does the superscript indicate? Predicting the sign of S for a reaction is an important skill to master. For a gas-phase reaction, what do you concentrate on to predict the sign of S? For a phase change, what do you concentrate on to predict the sign of S? That is, how are Ssolid, Sliquid, and Sgas related to one another? When a solute dissolves in water, what is usually the sign of S for this process?arrow_forwardThe reaction shown below is involved in the refining of iron. (The table that follows provides all of the thermodynamic data you should need for this problem.) 2Fe2O3(s)+3C(s,graphite)4Fe(s)+3CO2(g) (a) Find H for the reaction. (b) S for the reaction above is 557.98 J/K. Find S° for Fe2O3(s). (c) Calculate G for the reaction at the standard temperature of 298 K. (There are two ways that you could do this.) (d) At what temperatures would this reaction be spontaneous? Compound Hf (kJ mol-1) S° (kJ mol-1) Gf (J mol-1 K-1) Fe2O3(s) -824.2 ? -742.2 C(s, graphite) 0 5.740 0 Fe(s) 0 27.3 0 CO2(g) -393.5 213.6 -394.4.83arrow_forward
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